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Artykuły w czasopismach na temat "Indice de qualité du signal"
To, Minh Chau, i Kodjovi Gakpo Assoé. "Performance et commission de souscription des fonds mutuels canadiens". Articles 71, nr 1 (13.02.2009): 27–52. http://dx.doi.org/10.7202/602165ar.
Pełny tekst źródłaMondet, F., J. H. Oddou, C. Boyer, L. Corsois i D. Collomb. "Élaboration d’un indice de qualité anatomopathologique des biopsies prostatiques". Progrès en Urologie 19, nr 2 (luty 2009): 107–11. http://dx.doi.org/10.1016/j.purol.2008.07.007.
Pełny tekst źródłaFOKA TAGNE, Alain Gilles. "Impact du comportement des auditeurs sur la qualité de services offerts dans le cadre de leur mission". Journal of Academic Finance 10, nr 2 (30.12.2019): 2–27. http://dx.doi.org/10.59051/joaf.v10i2.160.
Pełny tekst źródłaMessager, V., A. Portmann, J. F. Muir i C. Letellier. "Estimation de la qualité relative du sommeil par un Indice de Qualité Globale du Sommeil". Médecine du Sommeil 11, nr 1 (styczeń 2014): 30. http://dx.doi.org/10.1016/j.msom.2014.01.070.
Pełny tekst źródłaFawzi, B., M. Chlaida, S. Oubraim, M. Loudiki, B. Sabour i A. Bouzidi. "Application de certains indices diatomiques à un cours d'eau marocain : Oued Hassar". Revue des sciences de l'eau 14, nr 1 (12.04.2005): 73–89. http://dx.doi.org/10.7202/705410ar.
Pełny tekst źródłaFlórez, Jorge, Cristian Arenas i Emrio Mesa. "Análisis de la situación de pobreza en Medellin a partir de la encuesta de calidad de vida, 2004-2005". Lecturas de Economía, nr 70 (11.09.2009): 191–222. http://dx.doi.org/10.17533/udea.le.n70a2261.
Pełny tekst źródłaBaker, Stephanie, Wei Xiang i Ian Atkinson. "Determining respiratory rate from photoplethysmogram and electrocardiogram signals using respiratory quality indices and neural networks". PLOS ONE 16, nr 4 (8.04.2021): e0249843. http://dx.doi.org/10.1371/journal.pone.0249843.
Pełny tekst źródłaSinave, Emily, i Amélie Grégoire Taillefer. "Caractérisation et protection de l’habitat du poisson dans la rivière Beaudette (Québec)". Le Naturaliste canadien 142, nr 3 (28.08.2018): 73–87. http://dx.doi.org/10.7202/1051000ar.
Pełny tekst źródłaDiakite, Kahirou, Saloum Diagouraga, Mamady Diawara i Mah Fane. "Etude des paramètres physico-chimiques des huiles de graine de coton produites en zone CMDT au Mali". International Journal of Biological and Chemical Sciences 16, nr 3 (30.08.2022): 1320–30. http://dx.doi.org/10.4314/ijbcs.v16i3.33.
Pełny tekst źródłaOuaffai, A., L. Dahloum, A. Fassih, M. Milagh i M. Halbouche. "Performances de croissance, de ponte et qualité de l’œuf chez la caille Japonaise (Coturnix coturnix japonica)". Archivos de Zootecnia 67, nr 258 (15.04.2018): 168–76. http://dx.doi.org/10.21071/az.v67i258.3651.
Pełny tekst źródłaRozprawy doktorskie na temat "Indice de qualité du signal"
Cherif, Safa. "Effective signal processing methods for robust respiratory rate estimation from photoplethysmography signal". Thesis, Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2018. http://www.theses.fr/2018IMTA0094/document.
Pełny tekst źródłaOne promising area of research in clinical routine involves using photoplethysmography (PPG) for monitoring respiratory activities. PPG is an optical signal acquired from oximeters, whose principal use consists in measuring oxygen saturation. Despite its simplicity of use, the deployment of this technique is still limited because of the signal sensitivity to distortions and the non-reproducibility between subjects, but also for the same subject, due to age and health conditions. The main aim of this work is to develop robust and universal methods for estimating accurate respiratory rate regardless of the intra- and inter-individual variability that affects PPG features. For this purpose, firstly, an adaptive artefact detection method based on template matching and decision by Random Distortion Testing is introduced for detecting PPG pulses with artefacts. Secondly, an analysis of several spectral methods for Respiratory Rate (RR) estimation on two different databases, with different age ranges and different respiratory modes, is proposed. Thirdly, a Spectral Respiratory Quality Index (SRQI) is attributed to respiratory rate estimates, in order that the clinician may select only RR values with a large confidence scale. Promising results are found for two different databases
Khreis, Soumaya. "Fusion par lisseur de Kalman pour l’estimation de la fréquence respiratoire à partir de l’électrocardiogramme ou du photoplethysmogramme". Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1S047/document.
Pełny tekst źródłaThe presented work in this dissertation concerns the development of approaches to estimate the breathing rate (BR) accurately from the electrocardiogram (ECG) and photoplethysmogram (PPG), to avoid wearing cumbersome and uncomfortable sensors for direct measurements. In fact, the respiration influences ECG and PPG signals. Several modulations are extracted to describe breathing cycles based on amplitude, frequency and baseline. However, it is difficult to determine the optimal combination to estimate the BR due to the noise and patient-dependency. Since few works have studied the quality of these modulations, we propose to study the quality of modulations using respiratory quality indices (RQI). To do so, we present two methods: the first automatically selects the modulations with the highest RQI for BR estimation, the second tracks the respiration signal using Kalman smoother. The obtained results show superior performance comparing to the methods in the literature. In addition, an extension of fusion approach is presented based on a multi-mode model. These proposed methods are tested on several datasets with different clinical contexts: monitoring post-operative care (where patients are immobile), daily physical activities and neonatal monitoring. The experimental results show that the RQIs coupled with a fusion algorithm increase the accuracy of the BR estimation from the derived modulations
Chehbani, Amel. "Etude et mise en œuvre d’un système communicant sans fil et sans radio pour la mesure de paramètres physiologiques des nouveau-nés". Electronic Thesis or Diss., Limoges, 2024. http://www.theses.fr/2024LIMO0009.
Pełny tekst źródłaThe weak immune systems in the elderly, newborns and preterm infants increase their susceptibility to cardiovascular disease and heart failure. Indeed, symptoms of cardiac pathology can be quite unusual and sporadic in this population. This requires continuous monitoring of cardiac activity by electrocardiogram (ECG), which enables early detection of abnormalities. Conventionally, ECG systems are wired, limiting continuous monitoring and patient comfort. Thanks to technology, portable and wireless ECG systems have also been developed, based mainly on efficient radio frequency (RF) technologies, which enable these users to be monitored regularly. However, security and privacy requirements, interference generation, potential harmful effects on patient health, spectrum congestion and energy efficiency are challenges for the massive deployment of RF technologies in healthcare scenarios. Instead of relying on the limitations of RF systems, this thesis focuses on an alternative solution based on optical wireless technologies that enable safe and environmentally-friendly communications. This solution consists of a monitoring system using an infrared link between a transmitter embedded in an ECG sensor placed on the user's body and receivers placed on the ceiling of the environment. In order to study the three monitoring contexts, the corresponding optical channel was simulated using a ray-tracing technique combined with the numerical Monte-Carlo method. Considering the specificities of the monitoring scenario, the population (age and mobility) and the modeled environment (transparent material of premature baby incubators), the static gain characterizing the channel was obtained. This gain was used in a chain developed to simulate ECG transmission in each context. The reliability of the proposed remote monitoring system is thus conditioned by the quality of the transmitted ECG signal. This has been assessed at application level using the Signal Quality Index (SQI) method, which consists in extracting spectral and statistical characteristics from the ECG. In addition, given its usefulness in monitoring the development of premature infants, heart rate variability (HRV) has also been analyzed by computing the temporal parameters that characterize RR intervals in an ECG. The main objective is to assess the impact of time-varying optical transmission performance on the quality of the received ECG signal, in order to design a less intrusive, reliable and cost-effective system for remote ECG signal monitoring. SQIs consist in extracting spectral and statistical characteristics from the ECG. In addition, given its usefulness in monitoring the development of premature infants, heart rate variability (HRV) was also analyzed by computing the temporal parameters that characterize RR intervals. The main objective is to assess the impact of optical transmission performance on ECG quality metrics. For this purpose, a general analysis approach was implemented to jointly study the evolution of (SQIs) and VFC temporal parameters at the application level as a function of classical metrics at the physical level, namely (SNR) and (BER). The results of this research showed the potential of using wireless optics in such medical contexts to provide a reliable and energy-efficient solution. Indeed, in all three cases investigated, ECG signals of sufficient quality for reliable diagnoses were obtained at moderate levels of transmitted optical power, which is important for a portable medical remote monitoring system
Ouzennou, Hakim. "Indice de qualité de station des pessières noires irrégulières". Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24648/24648.pdf.
Pełny tekst źródłaLinnemer, Laurent. "Publicité et signal de la qualité". Paris, EHESS, 1996. http://www.theses.fr/1996EHES0037.
Pełny tekst źródłaIn a context of an experience quality good, we reinforce the role of dissipative advertising as a signal of product quality by analysing a two period model. The conclusions of nelson (1974) are strengthened. Next, we widen this point of view, showing that other long term effects such as investment in capacity or learning by doing induce to the use of dissipative advertising. We extract the role of barrier of entry of advertising in merging the static model of quality signal and a model of limit pricing. Finally, we highlight that dissipative advertising is an efficient signal when the hidden characteristic is multidimensional
Novanda, Happy. "Monitoring of power quality indices and assessment of signal distortions in wind farms". Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/monitoring-of-power-quality-indices-and-assessment-of-signal-distortions-in-wind-farms(403a470c-279a-4b00-94dc-eaa2507dc579).html.
Pełny tekst źródłaStronach, Natalie. "Élaboration d'un indice global de qualité de l'environnement urbain pour la ville de Sherbrooke". Mémoire, Université de Sherbrooke, 2004. http://savoirs.usherbrooke.ca/handle/11143/2392.
Pełny tekst źródłaMontard, Nathalie. "Estimation de la qualité perceptuelle de signaux numériques audiovisuels : de la qualité à l'acceptabilité du service". Saint-Etienne, 2001. http://www.theses.fr/2002STET4009.
Pełny tekst źródłaThe development of digital technologies and multimedia landscape has led to the creation of several new services, a nex generation of terminals and new broadcasting conditions. These changes bring about new audio-visual monitoring techniques and re-open the whole question of the assessment of quality of service. . . [etc. ]
Burlacu, Radu. "Emission d'obligations convertibles : un signal riche sur la qualité de l'entreprise". Grenoble 2, 2000. http://www.theses.fr/2000GRE21050.
Pełny tekst źródłaBarrette, Valérie. "Élaboration d'un indice global de qualité de vie par intégration de données multisources cas de la Ville de Sherbrooke". Mémoire, Université de Sherbrooke, 2003. http://savoirs.usherbrooke.ca/handle/11143/2367.
Pełny tekst źródłaKsiążki na temat "Indice de qualité du signal"
Koons, George. Indices of capability: Classical and six sigma tools. Reading, Mass: Addison-Wesley Pub. Co., 1992.
Znajdź pełny tekst źródłaProjet de recherche sur les politiques (Canada), red. Indice canadien de la durabilité des ressources hydriques (ICDRH): Rapport de projet. Ottawa, Ont: Projet de recherche sur les politiques, 2007.
Znajdź pełny tekst źródłaFélice, Éric. Qualité des réseaux électriques et efficacité énergétique. Paris: Dunod, 2009.
Znajdź pełny tekst źródłaOsberg, Lars. Un indice du bien-être économique pour le Canada. Hull, Qué: Développement des ressources humaines Canada, Direction générale de la recherche appliquée, 1998.
Znajdź pełny tekst źródłaSlater, Jim. Modern television systems: To HDTV and beyond. London: Pitman, 1991.
Znajdź pełny tekst źródłaTuriel, Judith Steinberg. Beyond second opinions: Making choices about fertility treatment. Berkeley: University of California Press, 1998.
Znajdź pełny tekst źródłaScadding, Alys. Terminal care in respiratory illness. Redaktorzy Patrick Davey i David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0146.
Pełny tekst źródłaThe State of Democracy in the Americas 2021: Democracy in Times of Crisis. International Institute for Democracy and Electoral Assistance, 2021. http://dx.doi.org/10.31752/idea.2021.93.
Pełny tekst źródłaCase, Jay R. Methodists and Holiness in North America. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199683710.003.0009.
Pełny tekst źródłaBullock, Ian, Jill Macleod Clark i Joanne Rycroft-Malone, red. Adult Nursing Practice. Oxford University Press, 2012. http://dx.doi.org/10.1093/oso/9780199697410.001.0001.
Pełny tekst źródłaCzęści książek na temat "Indice de qualité du signal"
Liu, Feifei, Shoushui Wei, Fei Lin, Xinge Jiang i Chengyu Liu. "An Overview of Signal Quality Indices on Dynamic ECG Signal Quality Assessment". W Feature Engineering and Computational Intelligence in ECG Monitoring, 33–54. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3824-7_3.
Pełny tekst źródłaAbdelazez, M., P. X. Quesnel, A. D. C. Chan i H. Yang. "Signal Quality Indices for Ambulatory Electrocardiograms Used in Myocardial Ischemia Monitoring". W IFMBE Proceedings, 1076–79. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19387-8_262.
Pełny tekst źródłaJin, Xi, Changqing Xia, Chi Xu i Dong Li. "Mixed-Criticality Scheduling on 5G New Radio". W Mixed-Criticality Industrial Wireless Networks, 101–27. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-8922-3_6.
Pełny tekst źródłaChong, Changho. "Technology of SS-OCT Biometer: Argos Biometer". W Intraocular Lens Calculations, 215–28. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-50666-6_12.
Pełny tekst źródłaSmith, John Maynard, i David Harper. "Indices of quality". W Animal Signals, 45–67. Oxford University PressOxford, 2003. http://dx.doi.org/10.1093/oso/9780198526841.003.0004.
Pełny tekst źródłaSmith, John Maynard, i David Harper. "The evolution of signal form". W Animal Signals, 68–89. Oxford University PressOxford, 2003. http://dx.doi.org/10.1093/oso/9780198526841.003.0005.
Pełny tekst źródłaChen, Lei, i Chung-Wei Lee. "Mobile Multimedia Streaming Using Secure Multipath in Wireless Ad Hoc Networks". W Wireless Technologies, 544–64. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-61350-101-6.ch304.
Pełny tekst źródłaPopoff, Andrey. "Quality Indices of Signal Processing in Metric Spaces with L-group Properties". W Fundamentals of Signal Processing in Metric Spaces with Lattice Properties, 207–65. CRC Press, 2017. http://dx.doi.org/10.1201/9781315104119-6.
Pełny tekst źródłaŠigutová, Hana, Aleš Dolný, Michael J. Samways, Hardersen Sönke, Junior José Max Oliveira-, Leandro Juen, Khuong Van Dinh i Jason T. Bried. "Odonata as indicators of pollution, habitat quality, and landscape disturbance". W Dragonflies and Damselflies, 371–84. Wyd. 2. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780192898623.003.0026.
Pełny tekst źródłaDekhandji, Fatma Zohra, i Mohamed Cherif Rais. "A Comparative Study of Power Quality Monitoring Using Various Techniques". W Advances in Computer and Electrical Engineering, 259–88. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4027-5.ch011.
Pełny tekst źródłaStreszczenia konferencji na temat "Indice de qualité du signal"
Upadhyaya, Swarnabala, i Sanjeeb Mohanty. "Power Quality disturbance detection using Wavelet based signal processing". W 2013 Annual IEEE India Conference (INDICON). IEEE, 2013. http://dx.doi.org/10.1109/indcon.2013.6725992.
Pełny tekst źródłaTai, Ta Viet, Ma Pham Nhut Tan, Nguyen Minh Tri, Nguyen Viet Ha i Tran Thi Thao Nguyen. "Signal Quality Indices Based on Gain of Amplitude Difference for Wearable ECG Signals". W 2023 International Conference on Advanced Technologies for Communications (ATC). IEEE, 2023. http://dx.doi.org/10.1109/atc58710.2023.10318870.
Pełny tekst źródłaLin, Joe Yuchieh, Tsung Jung Liu, Weisi Lin i C. C. Jay Kuo. "Visual-saliency-enhanced image quality assessment indices". W 2013 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA). IEEE, 2013. http://dx.doi.org/10.1109/apsipa.2013.6694328.
Pełny tekst źródłaDaluwatte, Chathuri, Lars Johannesen, Loriano Galeotti, Jose Vicente, David Strauss i Christopher Scully. "Assessing Effect of Beat Detector on Detection Dependent Signal Quality Indices". W 2016 Computing in Cardiology Conference. Computing in Cardiology, 2016. http://dx.doi.org/10.22489/cinc.2016.267-273.
Pełny tekst źródłaShi, Haotian, Zhi Zheng, Bo Wang, Yuhan Fan i Yongxin Guo. "Signal Quality Indices Evaluation for Optimized Radar-Based Blood Pressure Monitoring". W 2023 Asia-Pacific Microwave Conference (APMC). IEEE, 2023. http://dx.doi.org/10.1109/apmc57107.2023.10439803.
Pełny tekst źródłaXu, Man, Jiang Shen i Haiyan Yu. "Multimodal data classification using signal quality indices and empirical similarity-based reasoning". W 2015 Computing in Cardiology Conference (CinC). IEEE, 2015. http://dx.doi.org/10.1109/cic.2015.7411131.
Pełny tekst źródłaTerzija, V., V. Stanojevic i W. Rebizant. "Electrical power quality indices estimation during severe signal distortions in medium voltage networks". W Exposition. IEEE, 2008. http://dx.doi.org/10.1109/tdc.2008.4517182.
Pełny tekst źródłaIlyass, Abouelaziz, Chetouani Aladine, Mohammed El Hassouni i Cherifi Hocine. "Full Reference Mesh Visual Quality Assessment Using Pre-Trained Deep Network and Quality Indices". W 2019 15th International Conference on Signal-Image Technology & Internet-Based Systems (SITIS). IEEE, 2019. http://dx.doi.org/10.1109/sitis.2019.00113.
Pełny tekst źródłaNaik, Chirag A., i Prasanta Kundu. "New Power Quality indices based on S-transform for non-stationary signals". W 2012 IEEE International Conference on Power and Energy (PECon). IEEE, 2012. http://dx.doi.org/10.1109/pecon.2012.6450301.
Pełny tekst źródłaZhao, Qichao, Ran Yang, Xiaoqing Zhu, Chunxiao Li, Xin Gao, Yanan Li, Haiyang Yu i in. "Systematic Comparison of Signal Quality in Portable and Wearable Wireless EEG Devices: Methods and Standards". W 15th International Conference on Applied Human Factors and Ergonomics (AHFE 2024). AHFE International, 2024. http://dx.doi.org/10.54941/ahfe1004813.
Pełny tekst źródłaRaporty organizacyjne na temat "Indice de qualité du signal"
Lers, Amnon, i Gan Susheng. Study of the regulatory mechanism involved in dark-induced Postharvest leaf senescence. United States Department of Agriculture, styczeń 2009. http://dx.doi.org/10.32747/2009.7591734.bard.
Pełny tekst źródłaPhilosoph-Hadas, Sonia, Peter Kaufman, Shimon Meir i Abraham Halevy. Signal Transduction Pathway of Hormonal Action in Control and Regulation of the Gravitropic Response of Cut Flowering Stems during Storage and Transport. United States Department of Agriculture, październik 1999. http://dx.doi.org/10.32747/1999.7695838.bard.
Pełny tekst źródłaPrusky, Dov, Lisa Vaillancourt i Robert Fluhr. Host Ammonification by Postharvest Pathogens and its Contribution to Fungal Colonization and Symptom Development. United States Department of Agriculture, grudzień 2006. http://dx.doi.org/10.32747/2006.7592640.bard.
Pełny tekst źródłaArmas, Elvira, Magaly Lavadenz i Laurie Olsen. Falling Short on The Promise to English Learners: A Report on Year One LCAPs. Center for Equity for English Learners, 2015. http://dx.doi.org/10.15365/ceel.lcap2015.2.
Pełny tekst źródłaLers, Amnon, i Pamela J. Green. Analysis of Small RNAs Associated with Plant Senescence. United States Department of Agriculture, marzec 2013. http://dx.doi.org/10.32747/2013.7593393.bard.
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