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Статті в журналах з теми "Coupled tags":
1
Majewski, L. A., C. Balocco, R. King, S. Whitelegg, and A. M. Song. "Fast polymer nanorectifiers for inductively coupled RFID tags." Materials Science and Engineering: B 147, no. 2-3 (February 2008): 289–92. http://dx.doi.org/10.1016/j.mseb.2007.08.031.
2
Abdulkawi, Wazie M., and Abdel-Fattah A. Sheta. "Four-State Coupled-Line Resonator for Chipless RFID Tags Application." Electronics 8, no. 5 (May 25, 2019): 581. http://dx.doi.org/10.3390/electronics8050581.
Анотація:
A novel quad-state coupled-line microstrip resonator is proposed for compact chipless radio frequency identification (RFID) tags. The proposed resonator can be reconfigured to present one of four possible states: 00, 01, 10, and 11, representing, no resonance, resonance at f2, resonance at f1, and resonance at both f1 and f2, respectively. The frequency span between f2 and f1 can be easily controlled, thereby reducing the required spectrum. Moreover, the proposed technique allows the storage of a large amount of data in a compact size to reduce the cost per bit. A multi-resonator prototype consisting of six resonators is designed, analyzed, and experimentally characterized. This prototype is implemented on the RT Duroid 5880 substrate with a dielectric constant of 2.2, loss tangent of 0.0009, and thickness of 0.79 mm. The designed configuration can be reconfigured for 46 codes. Two complete the RFID tags, including the six resonators and two orthogonally polarized transmitting and receiving antennas, are implemented and tested. The first tag code is designed for all ones, 111111111111, and the second tag is designed as 101010101010 code. Experimental results show good agreement with the simulation.
3
Tang, Weiwei, Jiancheng Wang, Wei Li, Chaojun Zhang, Ping Li, and Jun Chen. "Changes in Triacylglycerols Content and Quality Control Implications of Coix Seeds during Processing and Storage." Foods 11, no. 16 (August 16, 2022): 2462. http://dx.doi.org/10.3390/foods11162462.
Анотація:
Coix seed is a kind of widespread cereal, and it is used as a folk medicine in China. The present work focuses on the analysis of changes in triacylglycerols (TAGs) content and mycotoxins of coix seed during the processing and storage period for its quality control. Using ultra-high-performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry (UHPLC-Q-TOF-MS) and high-performance liquid chromatography coupled with evaporative light-scattering detector (HPLC-ELSD) techniques, 42 lipid components in coix seeds were identified, and seven molecular species of TAG in coix seeds from different localities in China were measured and compared, respectively. A correlation analysis between the morphological features and TAGs contents revealed the integrity instead of the particle size of the seed, displaying a highly positive correlation with its quality. The higher contents of TAGs in hulled coix seed than in polished coix seed proposed an alternative processing way. During storage, the changes in TAGs contents of seeds indicated that the storage period should be less than 3 months, and the intact seeds could maintain lipid stability better than the powder. Furthermore, the air humidity and temperature should be controlled during coix seed storage to prevent the production of mycotoxins. These results provide significant insight into the effective control of coix seed quality during processing and storage.
4
Chernova, Alina, Rim Gubaev, Pavel Mazin, Svetlana Goryunova, Yakov Demurin, Lyudmila Gorlova, Anna Vanushkina, et al. "UPLC–MS Triglyceride Profiling in Sunflower and Rapeseed Seeds." Biomolecules 9, no. 1 (December 27, 2018): 9. http://dx.doi.org/10.3390/biom9010009.
Анотація:
Sunflower and rapeseed are among the most important sources of vegetable oil for food and industry. The main components of vegetable oil are triglycerides (TAGs) (about 97%). Ultra- performance liquid chromatography coupled with mass spectrometry (UPLC–MS) profiling of TAGs in sunflower and rapeseed has been performed and the TAG profiles obtained for these species have been compared. It has been identified that 34 TAGs are shared by sunflower and rapeseed. It was demonstrated that TAGs 52:2, 52:5, 52:6, 54:3; 54:4, 54:7, 56:3, 56:4, and 56:5 had the highest variability levels between sunflower and rapeseed with the higher presence in rapeseed. TAGs 50:2, 52:3, 52:4, 54:5, and 54:6 also showed high variability, but were the most abundant in sunflower. Moreover, the differences in TAG composition between the winter-type and spring-type rapeseed have been revealed, which may be associated with freezing tolerance. It was shown that winter-type rapeseed seeds contain TAGs with a lower degree of saturation, while in spring-type rapeseed highly saturated lipids are the most abundant. These findings may give new insights into the cold resistance mechanisms in plants the understanding of which is especially important in terms of global climate changes.
5
Caizzone, Stefano, Emidio DiGiampaolo, and Gaetano Marrocco. "Wireless Crack Monitoring by Stationary Phase Measurements from Coupled RFID Tags." IEEE Transactions on Antennas and Propagation 62, no. 12 (December 2014): 6412–19. http://dx.doi.org/10.1109/tap.2014.2360553.
6
Estienne, M., M. Fallot, L. Giot, V. Guadilla-Gomez, L. Le Meur, A. Porta, A. Algora, et al. "Summation Calculations for Reactor Antineutrino Spectra, Decay Heat and Delayed Neutron Fractions Involving New TAGS Data and Evaluated Databases." EPJ Web of Conferences 211 (2019): 01001. http://dx.doi.org/10.1051/epjconf/201921101001.
Анотація:
Three observables of interest for present and future reactors depend on the β decay properties of the fission products: antineutrinos from reactors, the reactor decay heat and delayed neutron emission. In these proceedings, we present new results from summation calculations of the first two quantities quoted above, performed with evolved independent yields coupled with fission product decay data, from various nuclear data bases or models. New TAGS results from the latest experiment of the TAGS collaboration at the JYFL facility of Jyväskylä will be displayed as well as their impact on the antineutrino spectra and the decay heat associated to fission pulses of the main actinides.
7
Lopes, Bernardo, Tania Ferreira, and Joao N. Matos. "Design Guidelines for Gap Coupled Spiral Microstrip Resonators in Chipless RFID Tags." IEEE Journal of Radio Frequency Identification 4, no. 4 (December 2020): 525–31. http://dx.doi.org/10.1109/jrfid.2020.3010196.
8
Chen, Jiun-Peng, and Powen Hsu. "A Compact Strip Dipole Coupled Split-Ring Resonator Antenna for RFID Tags." IEEE Transactions on Antennas and Propagation 61, no. 11 (November 2013): 5372–76. http://dx.doi.org/10.1109/tap.2013.2278481.
9
Aroca, Rafael V., André C. Hernandes, Daniel V. Magalhães, Marcelo Becker, Carlos Manoel Pedro Vaz, and Adonai G. Calbo. "Calibration of Passive UHF RFID Tags Using Neural Networks to Measure Soil Moisture." Journal of Sensors 2018 (2018): 1–12. http://dx.doi.org/10.1155/2018/3436503.
Анотація:
This paper presents a system to monitor soil moisture using standard UHF RFID tags buried on the soil. An autonomous mobile robot is also presented, which is capable to navigate on the field and automatically read the sensors, even if they are completely buried on the soil. Thus, passive RFID tags are buried on the soil, allowing wireless moisture measurement without the need of batteries for long periods. The system dispenses external cables and antennas and may be composed of a single RFID tag buried on the soil or by several RFID tags buried at different depths on the soil. An antenna coupled to a RFID reader can be pointed to the place of installation of these tags, and by measuring the received signal strength indicator (RSSI) and other parameters, it allows to estimate the amount of water on the soil. The estimation of volumetric water content (VWC) on the soil was successfully obtained and calibrated with R2>0.9 using neural networks trained with experimental data from a reference capacitive soil moisture sensor. In addition to the simplified installation procedure, the system allows manual or automatic reading through irrigation systems or other systems to control irrigation systems. The system has been evaluated in several experiments, and nine tags were buried on the field, being used for at least three years. Experimental results show that it is possible to read tags at 40 cm deep in the soil with the RFID reader antenna 10 cm far from the soil surface.
10
Raben, Hans, Johan Borg, and Jonny Johansson. "Design of Voltage Multipliers for Maximized DC Generation in Inductively Coupled RFID Tags." IEEE Transactions on Circuits and Systems I: Regular Papers 61, no. 11 (November 2014): 3309–17. http://dx.doi.org/10.1109/tcsi.2014.2327305.
Дисертації з теми "Coupled tags":
1
CAIZZONE, STEFANO. "Sensing and communication potentialities of coupled RFID tags." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2014. http://hdl.handle.net/2108/203634.
Анотація:
The upcoming Internet of Things is realizing the vision of a fully connected
world: one of the key enablers for such technological revolution is the development
of low-cost long-lasting sensors, able to become the physical interface to
the real-world. In such a quest, the Radio Frequency Identication (RFID) is
establishing itself as the most promising technology for passive sensing, thanks
to its standardized communication protocol and its massive use in nowaday's
logistics, which has driven down the costs of commercial components. The extensive
research eort of the latest years on the topic has achieved remarkable
results, but there are some open issues that still inhibit a full adoption of the
technology, among which the current sacrice in communication capability experienced
along with the sensing process.
The present Work tries to tackle the current issues, by investigating the
potentialities of using two or more coupled RFID tags and exploiting the mutual
interaction between them to enable better solutions to the present questions.
Both theoretical and experimental aspects will be considered: the mathematical
formulation will show the eects of the interaction between tags, highlighting
the potentialities in terms of concurrent sensing and communication,
and also exhibiting new and visionary capabilities of communication from tag
to tag. The design of a specic sensor (a crack enlargement sensor) as well as
the analysis and synthesis of a generic wireless sensing platform based on RFID
couplets will be presented, exhibiting the desired properties of stable communication
during the sensing process. Moreover, suitable sensing parameters and
advanced measurement techniques will be introduced, allowing for improved sensitivity
and measurement-setup independence. Finally, the experimental part
will provide a better insight into some possible applications of RFID grids, as
sketched in the theory, and will demonstrate practical implementations of the
proposed functionalities.
2
Mughal, Aiman. "Statistical analysis of the coupling effects between tags in the RFID links." Electronic Thesis or Diss., Université Gustave Eiffel, 2024. http://www.theses.fr/2024UEFL2002.
Анотація:
Différentes études empiriques montrent que l'effet du couplage mutuel et la position et l'orientation aléatoires des antennes tags dans un volume réduit entraînent une dégradation des indicateurs de performance d'un système RFID, tels que la distance et le taux de lecture. Cette thèse participe à l'analyse des performances d'un tel système RFID en explorant les phénomènes physiques à l'origine de la dégradation et en introduisant des techniques statistiques dans les investigations. Avant de procéder à l'étude du comportement de groupe, la sensibilité et l'impédance de deux puces RFID (Higgs-3 et Higgs-9) ont été mesurées. Deux tag RFID ont été utilisées, un tag commercial (ALN-9662) associé à la puce Higgs-3 et tag artisanal fabriqué au laboratoire pour s’adapter à la puce Higgs-9. La distance de lecture des deux tags a été mesurée ainsi que l'impédance de leur antenne. Les résultats des mesures ont été confrontés à des simulations électromagnétiques. Afin d'étudier différents cas de figure faisant intervenir des tags positionnés de manière aléatoire, un modèle électromagnétique et des outils de simulation (HFSS et NEC) ont été utilisés et les conclusions sont basées sur leurs résultats, tout en les validant dans quelques cas par des mesures. Pour simplifier davantage, les tags RFID sont modélisés par un ensemble de dipôles demi-onde, avec et sans le circuit d’adaptation sous forme de T-match, et le lecteur est remplacé par une onde plane. L'objectif est de confronter le comportement d'un tag isolé à celui du même tag entouré par d'autres tags et de conclure sur l'impact du type d'antenne, de la densité des tags, de l’impédance de charge et de la polarisation de l'onde sur l’observable de sortie. La liaison RFID est étudiée à travers son lien forward et reverse, et en utilisant un modèle multiport conventionnel pour les tags intégrant le couplage. Une analyse approfondie du bilan de puissance est effectuée et la puissance absorbée au niveau des charges (puces) et la puissance re-rayonnée au niveau des antennes sont évaluées. En ce qui concerne la liaison forward, le rapport entre la puissance absorbée par la puce d'un tag environné et celle d'un tag isolé est appelé puissance absorbée normalisée et constitue un outil utile pour estimer le pourcentage de tags inactifs dans un ensemble de tags. En ce qui concerne la liaison reverse, la surface équivalente radar (SER) des antennes chargées par une charge adaptée et par un court-circuit a été étudiée. La SER différentielle du tag isolé et celle du tag environné a également été évaluée et l'impact du couplage sur la puissance re-rayonnée a été étudié. Étant donné que dans un contexte aléatoire à haute densité, il est impossible de prédire les performances du système de manière réaliste avec une approche purement déterministe, plusieurs configurations de tags et de dipôles positionnés et orientés de manière aléatoire ont été simulées et les conclusions sont tirées à l'aide d'une analyse statistique. En d'autres termes, à la fin de cette étude, la dégradation des performances d'un tag particulier dans une configuration donnée de tags environnants doit être évaluée individuellement, mais les moments statistiques ainsi que les fonctions de répartition permettent de prédire le comportement d'une population de tags sous certaines conditions. Cette thèse aide le concepteur RFID à évaluer la performance d'un scénario RFID et éventuellement à ajuster certains paramètres d'entrée tels que la densité des tags afin d'atteindre les objectifs visésDifferent empirical studies show that the effect of mutual coupling and the random position and orientation of tag antennas in a reduced volume result in a degradation of key performance indicators of an RFID system such as the read-range and the read-rate. This thesis takes part in the performance analysis of such an RFID system by exploring the physical phenomena behind the degradation and by introducing statistical techniques into investigations. Prior to the group behaviour investigations, the sensitivity and the impedance of two RFID chips (Higgs-3 and Higgs-9) have been measured. Two RFID tags have been used, a commercial one (ALN-9662) associated with the Higgs-3 chip and a home-made tag, which has been fabricated in laboratory to match the Higgs-9 chip. The read range of both tags has measured along with their antenna impedance. The measurement results have been confronted to electromagnetic simulations. In order to study various cases involving randomly positioned tags, an electromagnetic model and simulation tools (HFSS and NEC) have been used and the conclusions are based on their results while cross-validated in a few cases by measurements. To simplify any further, the RFID tags are modelled by a set of half-wave dipoles, with and without T-match, and the reader is replaced by a plane wave. The objective is to confront the behaviour of a single isolated tag to that of the same tag while surrounded by other tags and to conclude on the impact of the antenna type, the density of tags, the terminating load and the wave polarisation on the output under observation. The RFID link is studied through its forward and reverse links and by using a conventional grid model for tags including coupling. A thorough power budget analysis is conducted and the absorbed power at the level of the loads (chips) and the reradiated power at the level of the antennas are assessed. Regarding the forward link, the ratio of the absorbed power by the chip of a surrounded tag to that of an isolated tag is called normalised absorbed power and constitutes a useful tool to estimate the percentage of inactivated tags in the set. Regarding the reverse link, the Radar Cross Section (RCS) of loaded antennas with short-circuit and matched loads have been studied. The differential RCS of the isolated tag and that of the surrounded one has also been evaluated and the impact of coupling on the backscattered power have been studied. As in a high-density random context, predicting the system performances in a realistic way with a deterministic approach is impossible, several configurations of randomly positioned and oriented tags and dipoles have been simulated and the conclusions are drawn using statistical analysis. In other words, at the end of this study, the performance degradation of a particular tag in a given configuration of surrounding tags needs to be evaluated individually but the statistical moments as well as cumulative distribution functions allow to predict the behaviour of a population tags under given conditions. This thesis helps the RFID designer to assess the performance of an RFID scenario and eventually adjust some input parameters such as the density of tags in order to attain the desired objectives
3
Geirardsdottir, Kristin. "Identifying and analysing alternative splice variants by aligning ESTs and mRNAs to the genomic sequence." Thesis, University of Skövde, School of Humanities and Informatics, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-963.
Анотація:
Questions have been raised about the genomic complexity of the human genome, since it was reported that it only consisted of 32,000 genes. Alternative splicing is considered the explanation of the enormous difference between the number of genes and the number of proteins. Aligning expressed sequence tags (ESTs) to the genomic sequence has become a popular approach for gene prediction, revealing alternative splice variants. The aim in this thesis is to identify and analyse splice variants of the adhesion family of G protein-coupled receptors using EST data. 75% of the genes in the data set of 33 sequences were found to have a total of 51 splice variants. About half of the variants were considered functional.
4
Butt, Munam. "Systemization of RFID Tag Antenna Design Based on Optimization Techniques and Impedance Matching Charts." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23064.
Анотація:
The performance of commercial Radio Frequency Identification (RFID) tags is primarily limited by present techniques used for tag antenna design. Currently, industry techniques rely on identifying the RFID tag application (books, clothing, etc.) and then building antenna prototypes of different configurations in order to satisfy minimum read range requirements. However, these techniques inherently lack an electromagnetic basis and are unable to provide a low cost solution to the tag antenna design process. RFID tag performance characteristics (read-range, chip-antenna impedance matching, surrounding environment) can be very complex, and a thorough understanding of the RFID tag antenna design may be gained through an electromagnetic approach in order to reduce the tag antenna size and the overall cost of the RFID system. The research presented in this thesis addresses RFID tag antenna design process for passive RFID tags. With the growing number of applications (inventory, supply-chain, pharmaceuticals, etc), the proposed RFID antenna design process demonstrates procedures to design tag antennas for such applications. Electrical/geometrical properties of the antennas designed were investigated with the help of computer electromagnetic simulations in order to achieve optimal tag performance criteria such as read range, chip-impedance matching, antenna efficiency, etc. Experimental results were performed on the proposed antenna designs to compliment computer simulations and analytical modelling.
5
Comps-Agrar, Laëtitia. "Aspects moléculaires et dynamiques du fonctionnement des oligomères de récepteurs couplés aux protéines G : cas du récepteur GABAB." Thesis, Montpellier 2, 2010. http://www.theses.fr/2010MON20211.
Анотація:
Les récepteurs couplés aux protéines G (RCPG) constituent la plus grande famille de récepteurs transmembranaires. Ils sont impliqués dans une large variété de processus physiologiques et par conséquent ils représentent une cible thérapeutique d'intérêt pour le développement de médicaments. Plusieurs études ont démontré que les RCPGs sont capables d'interagir entre eux pour former des complexes oligomériques. Cependant, leur existence in vivo et leur rôle fonctionnel reste sujet à débats. Afin de mieux appréhender ce phénomène, nous avons utilisé un RCPG de classe C comme modèle d'étude, le récepteur de l'acide γ-aminobutyrique (GABAB), qui est impliqué dans une grande variété de désordres neurologiques et psychiatriques. Son originalité réside dans le fait qu'il est un hétérodimère obligatoire composé de deux sous-unités : GABAB1 et GABAB2 (GB1 et GB2). La liaison de l'agoniste sur GB1 conduit à l'activation de GB2. Au cours de ma thèse, nous avons montré en utilisant une nouvelle approche biophysique basée sur un marquage fluorescent enzymatique appelé Snap-tag que, contrairement aux récepteurs métabotropiques du glutamate, le récepteur GABAB forme des dimères de dimères (tétramères). Cette organisation hétéro-oligomérique est assurée par des contacts stables entre les domaines extracellulaires des sous-unités GB1. De plus, nous avons apporté des données en faveur de l'existence physiologique de cet assemblage en utilisant des membranes de cerveau de rat et de souris. Dans une seconde partie, nous avons souhaité déterminer les conséquences fonctionnelles de cette organisation. Nos résultats suggèrent une efficacité de couplage à la protéine G réduite du récepteur GABAB lorsqu'il est associé en dimères de dimères. Collectivement, nos données rapportent pour la première fois, l'existence de larges complexes allostériques de RCPGs dans le cerveauThe G-protein coupled receptors (GPCR) constitute the main family of transmembrane receptors. They are involved in many physiological processes and, as a consequence, they represent a therapeutic target of interest for the development of new drugs. Few studies have demonstrated that GPCRs are able to interact with each other to form oligomeric complexes. However, the existence in vivo and the functional interest of these oligomers remain a subject of intense debates. To address this issue, we have used a class C GPCR as a model, the γ-aminobutyrate B receptor (GABAB), which is involved in a wide variety of neurological and psychiatric disorders. This receptor has the particularity to be an obligatory heterodimer composed of two subunits GABAB1 and GABAB2 (GB1 and GB2). Agonist binding on GB1 leads to G-protein activation by GB2. During my thesis, we developed a new biophysical approach based on an enzyme-mediated fluorescent labeling calle d Snap-Tag and showed that, unlike metabotropic glutamate receptors, GABAB forms dimers of dimers (tetramers). This oligo-heterodimers organization is mediated via stable contacts between extracellular domains of GB1 subunits. Furthermore, we brought evidence of the physiological reality of this assembly using rat and mouse brain membranes. Then, we aimed at assessing what would be the functional rational of the GABAB dimer of heterodimers. Our results suggest that the GABAB receptor has a lower G protein-coupling efficacy when associated into dimers of dimers. Altogether, our data report for the first time, the existence of large allosteric GPCR complexes in the brain
6
PIRRAMI, LORENZO. "Capacitive coupled RFID tag using a new dielectric droplet encapsulation approach." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2710631.
Анотація:
Radio frequency identification (RFID) is a well-known and fast-growing technology
used to identify people, animals and products. RFID tags are used to replace bar
codes in a wide range of applications, to mention just a few, retail, transportation,
logistics and healthcare.
The two main driving aspects for most of research and development projects
concerning RFID tags are the reduction of assembly costs and the downsizing of
microchips. In that respect and considering an Industry 4.0 scenario, the study of a
new assembly approach for passive and high frequency RFID tags has been proposed
and studied in this thesis.
In this new approach, which is based on the inkjet printing technology, a specifically
designed radio frequency integrated circuit (RFIC) will be delivered, inside a
liquid dielectric droplet, onto the antenna and no longer placed and oriented precisely
as it happens nowadays with pick-and-place and flip chip machines. After a landing
phase, the liquid droplet (with the encapsulated chip) will self-aligns with respect
to the contact thanks to capillary forces driven by specifically designed wetting
conditions on the substrate of the antenna. Finally, with few additional steps, the
complete RFID tag is created.
This research project brings to light a considerable simplification and a very high
potential of parallelization, compatible with large volume manufacturing methods, in
comparison to nowadays existing technologies. This may substantially drive down
the fabrication costs. An in-depth analysis of electrical performances have been
carefully undertaken and compliance with the ISO/IEC 144443 standard has been
verified. Mathematical models have been developed showing fundamental limits for
the maximum tag reading range and power requirements of the RFID reader.
7
Ribeiro, Américo Soares. "Coupled modelling of the Tagus and Sado estuaries and their associated mesoscale patterns." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/15193.
Анотація:
Mestrado em Ciências do Mar e das Zonas CosteirasGiven the close proximity between the Tagus and Sado estuaries, it is understandable that these two hydrodynamic systems have their discharges on the same coastal region. Several studies focus on the investigation of the complex circulation at the mouth of Tagus or Sado estuaries, however, the interaction between these two systems is not taken into account and there are no studies which contemplate the interaction between the two estuaries. With this objective, the three-dimensional model Delft3D-Flow was implemented in order to investigate the complex flows in Tagus and Sado estuaries and adjacent shelf. The numerical model was calibrated and validated using sea surface height, currents, salinity and water temperature data, and then applied to research the role of river discharge and wind effects under mesoscale currents and coastal dynamics at open ocean boundaries on the plumes interaction. The chosen period was the winter of 2009-2010. To examine the response of the estuarine plumes to different wind directions, five scenarios of moderate winds were considered blowing from each of the main four compass points, and with the absence of wind. Through the use of two distinct tracers, three different idealized scenarios were chosen: low, moderate and high Tagus and Sado river discharges. The results showed an evidence of estuarine plumes, filaments and mesoscale eddies caused by the interactions between the estuaries and the nearby coastal region. The obtained results also reveal a intrusion caused by the Sado plume in Tagus estuary after a 10-day simulation. This pattern was not observed for Tagus plume. It was also observed that the Sado estuarine water propagates to Tagus estuary in just 36 hours with coastal dynamics, when compared to the mesoscale currents forcing took around 120 hours. In summary, the model application developed in this study contributed to the characterization and understanding of the interaction between Tagus and Sado estuary’s, and in which conditions these occur.
Dada a proximidade entre os estuários do Tejo e do Sado, é reconhecido que as descargas destes estuários ocorrem na mesma região costeira. O conhecimento atual relativo à hidrodinâmica dos estuários do Tejo e do Sado resulta maioritariamente da exploração de resultados de modelos numéricos, que descrevem as propriedades físicas e padrões gerados pelas correntes de maré e descargas fluviais. Não obstante, verificou-se que a interação entre estes dois sistemas não é considerada, não havendo esforços no sentido de estudar os dois sistemas simultaneamente, bem como de descrever as relações que partilham e identificar as mútuas influências a nível dinâmico. Com este objetivo, foi implementado o modelo numérico tridimensional Delft3D-Flow, de forma a investigar a dinâmica do estuário do Tejo, do Sado e da região costeira adjacente. O modelo numérico foi calibrado e validado com a altura de maré, correntes, salinidade e temperatura da água, sendo aplicado para a investigação do efeito das descargas fluviais e do efeito do vento na interação das plumas destes estuários. O período escolhido para as simulações foi o Inverno de 2009-2010. Foram impostos dois tipos de forçamentos na fronteira aberta oceânica, um que comtempla as correntes de mesoescala e outro apenas a dinâmica costeira. Foram considerados cinco cenários para ventos moderados nos quatro principais quadrantes e para a ausência deste. Através do uso de dois traçadores distintos, foram escolhidos três cenários idealizados com descargas baixas, moderadas e altas dos rios Tejo e Sado. Os resultados evidenciaram a presença de plumas estuarinas, filamentos e eddies causados pela interação entre os estuários e a região costeira. Os resultados obtidos revelam ainda uma intrusão da pluma estuarina do Sado no estuário do Tejo após descargas fluviais significativas durante dez dias, contudo, este padrão não foi observado na pluma estuarina do Tejo. Foi ainda observado que a água estuarina do Sado se propaga para o estuário do Tejo em apenas 36 horas com apenas a dinâmica costeira, ao passo que com as correntes de mesoescala só se observou a intrusão após 120 horas. Sumariamente, o modelo desenvolvido para este estudo contribuiu para a caracterização e compreensão da interação entre os estuários do Tejo e Sado, e definição das condições em que esta ocorre.
8
McGivern, Mary. "Sois femme et tais-toi: the search for subjectivity through revolt in Marie Cardinal‘s Les Mots pour le dire." Thesis, Kansas State University, 2009. http://hdl.handle.net/2097/2356.
Анотація:
Master of ArtsDepartment of Modern Languages
Amy L. Hubbell
Much of the critical work on Marie Cardinal's Les Mots pour le dire has focused primarily on the hysteria of the novel‘s narrator and her subsequent journey through psychoanalysis. More recently, research on the novel has expanded to include the issues of the narrator‘s pied-noir identity, nostalgia and memory. While such criticisms shed light on the intent of the novel, they do not necessarily explain the enigmatic and oftentimes overlooked final line of the text: "Quelques jour plus tard c‘était Mai 1968." In this thesis, I propose that this line is the key to understanding the novel; as such, I seek to re-examine Les Mots pour le dire through a feminist lens in order to explicate the seemingly malapropos reference to May 1968 and use it to explain central elements of the novel, including the narrator‘s madness, her tumultuous mother-daughter relationship and her eventual authorship. That the events of May 1968 represent one of the most subversive and socially destructive periods in recent French history as well as a giant shift towards the moral left establishes the value of revolt in Les Mots pour le dire. Specifically, I argue that Cardinal attacks the collusion of the ballasts of patriarchal society, religion, capitalism and class, and how these institutions have profited from the subjugation of women in society. When viewed in this light, the narrator‘s madness cannot simply be the product of her mother‘s psychological abuses. Instead, her madness and subsequent detachment from society symbolize the ultimate rejection of a world in which she finds herself oppressed and manipulated. She thus emerges not as a woman consumed by insanity but as a woman in revolt.
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Adjali, Imad. "Approche statistique pour la quantification des performances d'antennes fortement couplées : application à la RFID dans le contexte d'une densité élevée de tags." Thesis, Paris Est, 2020. http://www.theses.fr/2020PESC2011.
Анотація:
Cette thèse se place dans un contexte applicatif spécifique de la RFID (Radio Frequency Identification) UHF (Ultra-High Frequency) pour lequel un grand nombre de tags RFID est concentré dans un volume réduit. Ce contexte conduit à des configurations pour lesquelles les antennes associées aux tags sont fortement couplées. Dans ces conditions de fort couplage et de forte densité de tags, une antenne peut voir son impédance d’entrée désadaptée et son diagramme de rayonnement distordue. La conséquence de cette diminution des performances de l’antenne tag est la réduction globale du taux de lecture des tags liée à la dégradation du bilan de liaison individuel entre certains tags et l’antenne lecteur. Afin d’appréhender ce problème fortement aléatoire du fait de la distribution à priori inconnue des tags, il est nécessaire de développer une méthode statistique robuste. Pour atteindre des temps de simulation raisonnables malgré un grand nombre de réalisations de distributions aléatoires de tags, l’approche choisie dans cette thèse est de modéliser les antennes tags et le couplage entre antennes par des antennes dipôles grâce à des modèles analytiques basés sur la méthode IEMF. Ces dipôles peuvent être chargés sur des impédances adaptées ou non pour s’approcher du cas réel d’antennes tags chargées par l’impédance d’entrée des puces RFID. Les modèles analytiques sont validés par des méthodes numériques et des mesures. Les analyses statistiques des données concernent la désadaptation en impédance et le gain dans la direction du lecteur. Des analyses statistiques sont également effectuées sur des simulations de tags commerciaux avec une corrélation satisfaisante avec les résultats de dipôles. A terme, ce travail de thèse portant sur le « comportement de groupe » d’antennes doit fournir les outils d’analyse et de synthèse nécessaires pour évaluer la robustesse d’un design d’antenne RFID dans un environnement proche caractérisé par une forte densité de tags et un fort couplageThis context of this thesis is that of UHF RFID use cases where a large number of RFID tags is concentrated in a limited volume. This context leads to scenarios in which the tag antennas can be strongly coupled electromagnetically. Under the conditions of high coupling and high density of tags, an antenna can be mismatched and its radiation pattern distorted. As a result of the antenna’s loss of performance, a global reduction of the tags reading rate can be observed as well as a drop of the reading distance for some of the tags. In order to tackle this highly random problem flowing from the unknown distribution of tags, the approach developed in this work is to assume that the electromagnetic coupling between antennas can be modeled by analytical formulas of self and mutual impedances valid for straight resonant dipoles. These dipoles can be loaded by complex impedances corresponding to the chip input impedances of real commercial RFID tags. The analytical models are validated by numerical simulations and experimental results. Statistical studies are performed for a large number of dipole distributions in terms of impedance mismatch and embedded gain variations in the direction of the reader. A statistical analysis of simulated commercial tags is also performed showing a good correlation with the dipole statistics. In the future, this work on the “group behavior” of antennas should provide the analysis and synthesis tools required for a robust evaluation of the tag performances in an environment characterized by a high tag density
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Teixeira, Silva Fernando. "Emballage intelligent : faisabilité de l’utilisation d’un biocapteur couplé à un tag RFID UHF pour le suivi de la température." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT124/document.
Анотація:
L’emballage intelligent (EI) est une technologie émergente basée sur la fonction communicative des emballages. La radio-identification (RFID) est considérée comme le concept le plus prometteur de l’EI. La RFID fait référence aux technologies et systèmes qui utilisent les ondes radio (sans fil) pour transmettre et identifier de manière exclusive et/ou suivre des objets avec une information précise en temps réel.Cette thèse est basée sur une recherche innovante des propriétés électriques (capacité, permittivité réelle et perte) de la protéine de soja isolée, de la gélatine et du caséinate de sodium, et vise leur utilisation comme capteurs de température, associés à l’étiquette RFID. Les variables étaient la température (20°C jusqu’à 80°C) et l’humidité (90% HR) qui sont normalement utilisées pour la cuisson de la viande. La gélatine s’est révélée être le capteur le plus sensible. Après cette partie, plusieurs étapes ont été menées :• L’analyse de l’impact de l’épaisseur du film de gélatine sur la capacité et la détermination de plusieurs paramètres tels que la sensibilité, l’hystérésis et la répétabilité;• La couverture de gélatine sur l’étiquette RFID, testée à 90% HR et à température variable (de 20°C à 80°C) en condition pilote. L’impact sur la bande de lecture a été analysé.Le potentiel de la gélatine en tant que capteur a été démontré à une épaisseur de 38 µm à laquelle la capacité était stable de 20°C à 80°C et à Ultra-Haute Fréquence (300-900 MHz). L’échantillon de 125 µm a subi une dégradation électrothermique entre 60°C et 80°C. Pour surmonter ce phénomène, 600 MHz ont été appliqués. Un équilibre entre l’épaisseur et la fréquence devrait être considéré pour augmenter la sensibilité qui était de 0,14 pF/°C (125 µm à 600 MHz) et 0,045 pf/°C (38 µm à 868 MHz), influençant les résultats lors de la simulation de cuisson de la viande. La réutilisation du même capteur a conduit à une perte de masse réduisant la sensibilité. L'étiquette RFID couverte d’un film de gélatine sur l'antenne a pu donner de différence significative (p <0,05) dans la bande de lecture théorique (BLT) à 868, 915 et 960 MHz. Également dans cette layout, la BLT a été la même pour la même température croissante et décroissante (pas de hystérésis) dans la zone critique (60°C-80°C et 60°C-20°C) à 915 MHz. Ces résultats prometteurs ouvrent une porte à une nouvelle conception de capteurs de température basés sur les biomatériaux, renouvelable at à faible coût, couplé avec des étiquettes RFID passives pour l’emballage intelligentIntelligent packaging (IP) is an emerging technology based on the communication function of packages. Radio frequency Identification (RFID) is considered the most promising concept of IP. RFID refers to technologies and systems that use radio waves (wireless) to transmit and uniquely identify and/or track objects with accurate information in a real time.The present thesis is based on an innovative study of the electrical (capacitance) and dielectric properties (real permittivity and loss factor) of soybean isolated protein, gelatin and sodium caseinate aiming at their use as a sensor of temperature coupled with RFID tags. The environmental variables were temperature (range from 20°C up to 80°C) and humidity (90% RH) that are normally used for meat cooking. Gelatin was the most sensitive sensor. After this first part, several steps have been set up:• Analysing the impact of gelatin film thickness on electrical capacitance and the determination of several parameters such as sensitivity, hysteresis and repeatability;• The coating of gelatin on a RFID tag tested at 90% RH and variation of temperature (20°C up to 80°C) in a pilot condition. The impact on the reading range was analysed.The potential of gelatin as a sensor was demonstrated at thickness of 38 µm and 125 µm. For the first case, the capacitance was stable at 20°C up to 80°C and at Ultra High Frequency band (300-900 MHz). Sample with 125 µm has suffered the electro-thermal breakdown between 60-80°C. To overcome this phenomenon, 600 MHz was applied. A balance between thickness and frequency should be consider to increase the sensitivity that was 0.14 pF/°C (125 m at 600 MHz); this value was higher than 0.045 pF/°C (38 m at 868 MHz) influencing the results in the simulation of meat cooking. Reuse of the same sensor has led to mass loss reducing the sensitivity. The feasibility of gelatin sensor-enable RFID tag was demonstrated. The tag covered by gelatin film in the whole antenna was suitable because it was able to deliver different Theoretical Reading Range (TRR) (p<0.05) for 868 MHz, 915 MHz and 960 MHz. At this layout also, the TRR was the same (without hysteresis) for the rising and descending temperature at the critical zone (60°C- 80°C and 60°C-20°C) at 915 MHz. These promisor results open a window for new conception of temperature sensor based on biomaterial that confers advantages, such as low cost and eco-friendly property sought to be interfaced to passive RFID tags for intelligent packaging
Книги з теми "Coupled tags":
1
Powell, Roger A., Stephen Ellwood, Roland Kays, and Tiit Maran. Stink or swim: techniques to meet the challenges for the study and conservation of small critters that hide, swim, or climb, and may otherwise make themselves unpleasant. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198759805.003.0008.
Анотація:
The study of musteloids requires different perspectives and techniques than those needed for most mammals. Musteloids are generally small yet travel long distances and many live or forage underground or under water, limiting the use of telemetry and direct observation. Some are arboreal and nocturnal, facilitating telemetry but limiting observation, trapping, and many non-invasive techniques. Large sexual size dimorphism arguably doubles sample sizes for many research questions. Many musteloids defend themselves by expelling noxious chemicals. This obscure group does not attract funding, even when endangered, further reducing rate of knowledge gain. Nonetheless, passive and active radio frequency identification tags, magnetic-inductance tracking, accelerometers, mini-biologgers and some GPS tags are tiny enough for use with small musteloids. Environmental DNA can document presence of animals rarely seen. These technologies, coupled with creative research design that is well-grounded on the scientific method, form a multi-dimensional approach for advancing our understanding of these charismatic minifauna.
2
Publishing, Booksy. Guitar Tabs Paper: Halloween Couples Halloween S Im with Karen. Independently Published, 2021.
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Bookshop, Miss Magraffs Corner. Our Password Organizer Tracker: Owl Pattern Password Logbook for Couples with Alphabet Tabs. Independently Published, 2021.
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Ocean, Rainbow. Love Password Book Large Print: Gift for Valentine, Alphabetical with Tabs, Internet Passcode Keeper Log Book for Couple, Co-Worker, Senior, Grandma, Grandpa / Valentines Day Background with Congratulations Greeting Fresh Spring Tulips Flowers. Independently Published, 2019.
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Ocean, Rainbow. Love Password Book Large Print: Gift for Valentine, Alphabetical with Tabs, Internet Passcode Keeper Log Book for Couple, Co-Worker, Senior, Grandma, Grandpa / Valentines Day Background with Congratulations Greeting Fresh Spring Tulips Flowers. Independently Published, 2019.
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Ocean, Rainbow. Love Password Book Large Print: Gift for Valentine, Alphabetical with Tabs, Internet Passcode Keeper Log Book for Couple, Co-Worker, Senior, Grandma, Grandpa / Valentines Day Background with Congratulations Greeting Fresh Spring Tulips Flowers. Independently Published, 2019.
Частини книг з теми "Coupled tags":
1
Zuffanelli, Simone. "Radiation Properties of Edge-Coupled Split-Ring Resonators (EC-SRRs) and Derived Structures." In Antenna Design Solutions for RFID Tags Based on Metamaterial-Inspired Resonators and Other Resonant Structures, 47–80. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62030-5_2.
2
Schihada, Hannes, Katarina Nemec, Martin J. Lohse, and Isabella Maiellaro. "Bioluminescence in G Protein-Coupled Receptors Drug Screening Using Nanoluciferase and Halo-Tag Technology." In Methods in Molecular Biology, 137–47. New York, NY: Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-1221-7_9.
3
Wu, Haiping, Bingjie Zou, Qinxin Song, and Guohua Zhou. "Multiplex Ligation-Dependent Sequence-Tag Amplification Coupled with Pyrosequencing for Copy Number Variation (CNV) Analysis." In Springer Protocols Handbooks, 257–64. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-3308-2_22.
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Kern, Michael, and Sébastien Ferreira-Cerca. "Differential Translation Activity Analysis Using Bioorthogonal Noncanonical Amino Acid Tagging (BONCAT) in Archaea." In Ribosome Biogenesis, 229–46. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2501-9_14.
Анотація:
AbstractThe study of protein production and degradation in a quantitative and time-dependent manner is a major challenge to better understand cellular physiological response. Among available technologies bioorthogonal noncanonical amino acid tagging (BONCAT) is an efficient approach allowing for time-dependent labeling of proteins through the incorporation of chemically reactive noncanonical amino acids like l-azidohomoalanine (L-AHA). The azide-containing amino-acid derivative enables a highly efficient and specific reaction termed click chemistry, whereby the azide group of the L-AHA reacts with a reactive alkyne derivate, like dibenzocyclooctyne (DBCO) derivatives, using strain-promoted alkyne–azide cycloaddition (SPAAC). Moreover, available DBCO containing reagents are versatile and can be coupled to fluorophore (e.g., Cy7) or affinity tag (e.g., biotin) derivatives, for easy visualization and affinity purification, respectively.Here, we describe a step-by-step BONCAT protocol optimized for the model archaeon Haloferax volcanii, but which is also suitable to harness other biological systems. Finally, we also describe examples of downstream visualization, affinity purification of L-AHA-labeled proteins and differential expression analysis.In conclusion, the following BONCAT protocol expands the available toolkit to explore proteostasis using time-resolved semiquantitative proteomic analysis in archaea.
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Comps-Agrar, Laëtitia, Damien Maurel, Philippe Rondard, Jean-Philippe Pin, Eric Trinquet, and Laurent Prézeau. "Cell-Surface Protein–Protein Interaction Analysis with Time-Resolved FRET and Snap-Tag Technologies: Application to G Protein-Coupled Receptor Oligomerization." In Methods in Molecular Biology, 201–14. Totowa, NJ: Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-160-4_10.
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"Challenges for Diadromous Fishes in a Dynamic Global Environment." In Challenges for Diadromous Fishes in a Dynamic Global Environment, edited by Michael J. W. Stokesbury, Michael J. Dadswell, Kim N. Holland, George D. Jackson, W. Don Bowen, and Ronald K. O’Dor. American Fisheries Society, 2009. http://dx.doi.org/10.47886/9781934874080.ch20.
Анотація:
<em>Abstract</em>.-Tagging fish with electronic tags can provide information on movement, migration, behavior, and stock structure while diadromous species are at sea. The state of the art technology for tracking fishes in the marine environment includes two families of tags. Archival tags store data and either relay them to satellites or require recapture for interrogation. Low return rates for diadromous species make these tags very expensive to use. A second type, acoustic tags, sends signals to passive receivers. Information is collected from the fish only when it is within range of a receiver. Technology is now being developed to mesh these tags into a fully integrated tag that will permit archived data to be transmitted acoustically over multiple frequencies to receivers allowing data retrieval without recapturing the animal. The new technology includes a "business card" tag that is a miniaturized receiver coupled with a coded pulse transmitter. These tags will exchange and record individual-specific codes when two animals carrying them come within acoustic range of each other, which will allow data from many animals to be moved ashore through few animals. These devices would be ideal for quantifying the degree of school fidelity (or, conversely, mixing) or the degree of at sea interaction of fishes from different river systems and provide ecological information to enhance management in an ecosystem approach to fisheries.
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Riolo, Rick L., and Michael D. Cohen. "Tags, Interaction Patterns, and the Evolution of Cooperation." In Perspectives on Adaptation in Natural and Artificial Systems. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195162929.003.0018.
Анотація:
There are several key ideas that appear in almost all of John Holland's writings on artificial and natural complex adaptive systems: internal models, default hierarchies, genetic (evolutionary) algorithms, and recombination of building blocks. One other mechanism, which is linked to all of those, is tag-based interaction. Perhaps the first use of tag-based interaction (though it was not so named) can be found in Holland's "broadcast system," [26] a formal specification of an architecture suitable for modeling adaptation of open-ended, parallel processes. Tag-based interaction mechanisms next played a key role in classifier systems [30, 32]. In classifier systems, a tag acts as a kind of "address" of one or more classifier rules (productions), enabling rules to send messages to selected sets of rules, and allowing rules to select which messages they will respond to. Thus, tags provide a way to structure computations, making it possible to prove that classifier systems are computationally complete [18], to various neural network architectures [8, 55] and even to abstract models of immune systems [17]. Tags also are used to form coupled chains of classifiers, to construct subroutinelike structures, and to allow Holland's Bucket Brigade algorithm to efficiently allocate credit to "stage setting" rules [9, 30, 50]. Holland has also described how tagged classifiers might be used to form default hierarchies and other more complex internal models [28, 30, 33, 46]. More generally, Holland has emphasized the key role that tag-based interaction mechanisms have in almost all complex adaptive systems (CAS), i.e., systems composed of limited capability agents who interact to generate systemlevel behavior [31]. In the context of CAS, tags are arbitrary properties or traits of agents which are visible to other agents, and which agents can detect and use to condition reactions to other tag-carrying agents. Tags can be agent features, such as surface markings, or they can be agent behaviors, from behavioral routines in animals to more complex behaviors of humans, e.g., wearing particular clothes, carrying flags, or following religious customs [3, 31, 53]. Since agents can have different tags, and since arbitrary tags can come to be associated with particular types of agents (with their own interaction and behavioral patterns), tags can take on "meanings" by virtue of the types of agents who display each particular tag, i.e., as a result of the other behavioral traits those agents tend to have.
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"Advances in Fish Tagging and Marking Technology." In Advances in Fish Tagging and Marking Technology, edited by Sean A. Hayes, Morgan H. Bond, Brian K. Wells, Chad V. Hanson, Chad V. Hanson, Andrew W. Jones, and R. Bruce MacFarlane. American Fisheries Society, 2012. http://dx.doi.org/10.47886/9781934874271.ch32.
Анотація:
<i>Abstract</i>.—We deployed archival temperature loggers on juvenile and adult coho salmon <i>Oncorhynchus kisutch </i>and steelhead (anadromous rainbow trout) <i>O. mykiss </i>over both the freshwater and marine portions of their lifecycle in order to study their movements and thermal preferences. Beginning in 2003, loggers were deployed on juvenile coho salmon and juvenile and adult steelhead in a small central California coastal stream. A tag recovery from a coho salmon indicates the fish experienced variable temperatures on a daily to weekly basis in the marine environment (mean 13.3°C, range 10–18°C). Tags recovered from steelhead indicate use of a cooler, more stable, thermal habitat window in the marine environment (mean 11.0°C, range 8–14°C), often with little fluctuation over a period of weeks to months, and most thermal changes occurring at the seasonal time scale. Comparisons of steelhead data with sea surface temperature data suggest a northern migration out of the California Current to a narrow band of habitat that fluctuates between the southern boundary of the Bering Sea and north of the 40th parallel. In the shallow freshwater environment, steelhead appeared to be at the mercy of stream temperatures. However, in the estuary, where thermally variable habitats were available, steelhead used a surprisingly broad temperature range, including entering water thought to challenge their thermal tolerances (>20°C) even when cooler waters were available. Temperature loggers recovered on a local beach and island indicate tagged fish were consumed in the estuary by warm-blooded predators. All of these data coupled with a larger number of passive integrated transponder (PIT) tags, are helping to identify discrete habitats fish are using, exact dates of ocean entry and return, and enhance our understanding of marine survival and predation. Finally, archival tags may be useful in understanding habitat use of pelagic long-migrating species like steelhead, by tracking individuals in areas where other tagging technologies are poorly suited.
9
Jayamanne, Laleen. "Nicole Kidman in Blue Light: Stanley Kubrick’s Eyes Wide Shut (1999)." In Poetic Cinema and the Spirit of the Gift in the Films of Pabst, Parajanov, Kubrick, and Ruiz. Nieuwe Prinsengracht 89 1018 VR Amsterdam Nederland: Amsterdam University Press, 2021. http://dx.doi.org/10.5117/9789463726245_ch03.
Анотація:
The strange, inexplicable movement of light and colour of the image is examined in relationship to Nicole Kidman’s unique form of acting in this film. Kidman acts in slow motion. The dynamism of colour and Kidman’s slowed-down speech acts are explored to show how, together, they transform the relationship between the heterosexual married fictional couple Alice and Bill, played by the real-life couple Kidman and Cruise. Kubrick taps into and draws out Kidman’s metamorphic powers as an actor. The industrial, technical, and aesthetic context is Kubrick’s experiments with light and colour on celluloid, at the moment of its obsolescence.
10
Burmester, Mike, and Jorge Munilla. "RFID Grouping-Proofs." In Security and Trends in Wireless Identification and Sensing Platform Tags, 89–119. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-1990-6.ch004.
Анотація:
Radio Frequency Identification (RFID) is a challenging wireless technology with a great potential for supporting supply and inventory management. In this chapter the authors consider a particular application in which a group of tagged items are scanned to generate a record of simultaneous presence called a grouping-proof. Grouping-proofs can be used, for instance, to guarantee that drugs are shipped (or dispensed) accompanied by their corresponding information leaflets, to couple the user’s electronic passport with his/her bags, to recognize the presence of groups of individuals and/or equipment and more generally to support the security of supply and inventory systems. Although it is straightforward to design solutions when the verifier is online since it is sufficient for individual tags to authenticate themselves to the verifier, interesting security engineering challenges arise when the trusted server (or verifier) is not online during the scan activity. So, the field of grouping-proofs is very active, and many works have been published so far. This chapter details the setting for RFID grouping-proofs and discuss the threat model for such applications. The authors analyze some of the grouping-proofs proposed in the literature describing their advantages and disadvantages. Then, general guidelines for designing secure grouping-proofs are proposed. Finally, some examples of grouping-proofs that are provably secure in a strong security framework are presented.
Тези доповідей конференцій з теми "Coupled tags":
1
Scholz, Peter, Christian Reinhold, Werner John, and Ulrich Hilleringmann. "Analysis of Energy Transmission for Inductive Coupled RFID Tags." In 2007 IEEE International Conference on RFID. IEEE, 2007. http://dx.doi.org/10.1109/rfid.2007.346167.
2
Gao, Jinlan, Johan Siden, and Hans-Erik Nilsson. "An analytical model for electromagnetically coupled UHF RFID sensor tags." In 2013 IEEE International Conference on RFID (IEEE RFID 2013). IEEE, 2013. http://dx.doi.org/10.1109/rfid.2013.6548137.
3
Paradiso, Joseph, and Kai Yuh Hsiao. "Swept-frequency, magnetically-coupled resonant tags for realtime, continuous, multiparameter control." In CHI '99 extended abstracts. New York, New York, USA: ACM Press, 1999. http://dx.doi.org/10.1145/632716.632848.
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Wu, Jieying, Jianxiong Li, Xusheng Cui, and Luhong Mao. "Circular Loop Antenna for UHF RFID Tags with Inductively Coupled Structure." In 2011 International Conference on Control, Automation and Systems Engineering (CASE). IEEE, 2011. http://dx.doi.org/10.1109/iccase.2011.5997894.
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Caldero, Pau, and Dominik Zoeke. "Real-Time Wireless Vibration Monitoring Using SAW RFID Tags Coupled with Sensors." In 2018 15th European Radar Conference (EuRAD). IEEE, 2018. http://dx.doi.org/10.23919/eurad.2018.8546624.
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Holopainen, Jari, Xinwei Gao, and Ville Viikari. "Study on non-linear effects of two coupled UHF-band RFID tags." In 2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS). IEEE, 2017. http://dx.doi.org/10.23919/ursigass.2017.8105146.
7
Ghasemzadeh, Pejman, Subharthi Banerjee, Michael Hempel, Andrew Harms, and Hamid Sharif. "Detecting Dark Cars Using a Novel Multi-Antenna AEI Tag Reader Design for Increased Read Distance and Reliability." In 2020 Joint Rail Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/jrc2020-8089.
Анотація:
Abstract Automatic Equipment Identification (AEI) tags are installed on all rail cars in North America to tag rolling stock and facilitate fault detection using wayside detectors. And yet, railcars do get lost when parked on sidings, etc., resulting in so-called Dark Cars. No effective solution has been proposed for finding such lost rail cars due to the distance limitations in the current AEI tag readers. However, recent developments in the area of AEI tags in particular multi-antenna wireless communication systems and backscatter communications, now provide the opportunity to read AEI tags from much farther distances. The adavntage of using multiple antennas is to increase read distance and directionality through beamforming while adhering to FCC power limits. The key obstacle to long-distance AEI tag reading is the limited link budget, which is the combination of the FCC-mandated power limit coupled with the minimum required EM field strength needed to power the AEI tag during a read operation. Since it is not feasible to modify the AEI tags themselves because a large number of them installed on railcars, nor boost the transmit power, our design is focused on increasing directionality of the transmitted power. In this work, the authors thus propose a novel use of a Multi-Antenna Beamforming AEI tag reader mounted on — and powered by — a locomotive. This is to detect AEI tags on dark cars by a train passing the dark cars. The authors conducted an in-depth model-driven performance evaluation of this scheme. The analysis includes different channel models, signal reflection, and impact from velocity on read success rates. The channel models considered in this evaluation include multipath models such as Rayleigh, Rician, and Two-Ray Ground. The results presented by the authors show that our proposed novel approach is not only feasible to read AEI tags in this fashion over distances exceeding multiple track separation distances, but also practical, in most cases requiring 10 or less antennas with only simple beamforming methods employed.
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Gourari, F., S. M. Meriah, S. Protat, J. Dubouil, and J. M. Laheurte. "Considerations on series inductance and inductively coupled loop matching circuits for UHF RFID tags." In 12th European Conference on Antennas and Propagation (EuCAP 2018). Institution of Engineering and Technology, 2018. http://dx.doi.org/10.1049/cp.2018.1057.
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Byrdwell, William, and Hari Kiran Kotapati. "Fast chromatography with dual parallel mass spectrometry for lipidomic analysis and regioisomer quantification of pulse lipids." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/kxye7490.
Анотація:
Pulses are seeds produced from legumes. More specifically, the United Nations Food and Agricultural Organization (FAO) defines pulses as “Leguminosae crops harvested exclusively for their grain, including dry beans, peas and lentilsâ€. This excludes oilseeds, such as soybeans and peanuts. Pulses are well known for their high content of protein and fiber. Most pulses do not contain a lot of oil, and there is not abundant information in the literature on pulse oil triglycerides, or triacylglycerols (TAGs). But pulses are consumed in large quantities in diets around the globe, so even lower amounts of oil in highly consumed pulses means that the composition of the pulse oil is important to the normal diet. We developed a 10-minute method for analysis of pulse oils using fast UHPLC for separation followed by dual parallel mass spectrometry (MS) for detection and quantification of the separated TAGs. Atmospheric pressure photoionization (APPI) MS was used for fat-soluble vitamin (FSV) quantification and for TAG regioisomer quantification and electrospray ionization (ESI) coupled to high-resolution accurate-mass (HRAM) MS was used for lipidomic identification and quantification of TAG molecular species and regioisomers. Calibration standards contained low levels of FSVs, but high levels of TAGs for better quantification of the bulk oil extracted by the Folch method. The TAG calibration standards were comprised of two different regioisomers, representing alternating concentration levels, thereby allowing fragment ratio calibration curves of regioisomers to be constructed along with the normal quantification calibration curves (regioisomer calibration curve within each quantification calibration curve). We found that FSV calibration curves were linear with high correlation coefficients (r2), while TAG calibration curves were best modeled as power functions and gave lower correlation coefficients. The pulse TAGs were rich in polyunsaturated fatty acids, which further adds to the already well-known nutritional benefits of pulses.
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Liu, Yulong, and Terry Tao Ye. "Coupled Planar Coil (CPC) Antenna as a Displacement Sensor for NFC or HF RFID Tags." In 2020 IEEE International Conference on RFID (RFID). IEEE, 2020. http://dx.doi.org/10.1109/rfid49298.2020.9244820.