Bibliographies thématiques / Vibrational communication

Littérature scientifique sur le sujet « Vibrational communication »

Auteur : Grafiati

Publié le 10 mars 2023

Mis à jour le 11 mars 2023

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Articles de revues sur le sujet "Vibrational communication"

Virant-Doberlet, Meta, et Andrej Cokl. « Vibrational communication in insects ». Neotropical Entomology 33, n^o 2 (avril 2004) : 121–34. http://dx.doi.org/10.1590/s1519-566x2004000200001.

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Tishechkin, D. Yu. « Vibrational Communication in Insects ». Entomological Review 102, n^o 6 (septembre 2022) : 737–68. http://dx.doi.org/10.1134/s001387382206001x.

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Liao, Yi-Chang, Diana M. Percy et Man-Miao Yang. « Biotremology : Vibrational communication of Psylloidea ». Arthropod Structure & ; Development 66 (janvier 2022) : 101138. http://dx.doi.org/10.1016/j.asd.2021.101138.

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Francescoli, Gabriel, et Carlos A. Altuna. « Vibrational Communication in Subterranean Rodents ». Evolution of Communication 2, n^o 2 (31 décembre 1998) : 217–31. http://dx.doi.org/10.1075/eoc.2.2.04fra.

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Here we discuss different factors that could influence the development of vocal and/or seismic communicative channels in subterranean rodents. We suggest that: 1) Highly social subterranean rodents that do not leave their burrows use essentially vocal signals in the vibrational channel; 2) Solitary and almost permanently fossorial species use vocal signals in short range and seismic signals in long range communication; 3) Other solitary species that leave the burrow system more frequently and that retain good visual capabilities are constrained to use vocal communication only. Also we suggest that seismic communication probably derives from digging activities and, consequently, developed after the acquisition of the subterranean way of life. The first three statements are based on a previously proposed relationship between visual capabilities, hearing capabilities, time spent outside the burrows, social organization and type of vibrational signals used by the species. The fourth statement is based in the correlation found between digging and transporting tools and thumping tools, that are the same across the literature on pertinent genera. Some thumping techniques unique to subterranean animals lead us to propose an evolutionary sequence leading from digging to thumping.

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Avosani, Sabina, Thomas E. S. Sullivan, Marco Ciolli, Valerio Mazzoni et David Maxwell Suckling. « Vibrational communication and evidence for vibrational behavioural manipulation of the tomato potato psyllid, Bactericera cockerelli ». Entomologia Generalis 40, n^o 4 (17 décembre 2020) : 351–63. http://dx.doi.org/10.1127/entomologia/2020/0984.

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Anderson, Brian E., Timothy J. Ulrich et James A. Ten Cate. « Three component vibrational time reversal communication ». Journal of the Acoustical Society of America 137, n^o 4 (avril 2015) : 2437. http://dx.doi.org/10.1121/1.4920900.

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Stewart, Kenneth W. « Insect Life : Vibrational Communication in Insects ». American Entomologist 43, n^o 2 (1997) : 81–91. http://dx.doi.org/10.1093/ae/43.2.81.

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Markl, H. « Acoustic and vibrational communication in insects ». Insectes Sociaux 32, n^o 4 (décembre 1985) : 465. http://dx.doi.org/10.1007/bf02224023.

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Krausa, Kathrin, Felix A. Hager et Wolfgang H. Kirchner. « Guarding Vibrations—Axestotrigona ferruginea Produces Vibrations When Encountering Non-Nestmates ». Insects 12, n^o 5 (29 avril 2021) : 395. http://dx.doi.org/10.3390/insects12050395.

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Flower visiting stingless bees store collected pollen and nectar for times of scarcity. This stored food is of high value for the colony and should be protected against con- and heterospecifics that might rob them. There should be high selective pressure on the evolution of mechanisms to discriminate nestmates from non-nestmates and to defend the nest, i.e., resources against intruders. Multimodal communication systems, i.e., a communication system that includes more than one sensory modality and provide redundant information, should be more reliable than unimodal systems. Besides olfactory signals, vibrational signals could be used to alert nestmates. This study tests the hypothesis that the vibrational communication mode plays a role in nest defense and nestmate recognition of Axestotrigona ferruginea. Substrate vibrations induced by bees were measured at different positions of the nest. The experiments show that guarding vibrations produced in the entrance differ in their temporal structure from foraging vibrations produced inside the nest. We show that guarding vibrations are produced during non-nestmate encounters rather than nestmate encounters. This further supports the idea that guarding vibrations are a component of nest defense and alarm communication. We discuss to whom the vibrations are addressed, and what their message and meaning are.

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Shu, Chuan-Cun, et Niels E. Henriksen. « Communication : Creation of molecular vibrational motions via the rotation-vibration coupling ». Journal of Chemical Physics 142, n^o 22 (14 juin 2015) : 221101. http://dx.doi.org/10.1063/1.4922309.

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Thèses sur le sujet "Vibrational communication"

McNett, Gabriel Dion. « Noise and signal transmission properties as agents of selection in the vibrational communication environment ». Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/4677.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2007.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on February 25, 2008) Vita. Includes bibliographical references.

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Mahmud, Akib. « Digital Compensation of Phase Noise Caused by Mechanical Vibrations ». Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-387826.

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The component that generates the frequency of the radio waves transmitted by a radar is generally built around a quartz crystal oscillator. When this component is exposed to mechanical vibrations, such as acceleration or rotation in different directions, phase noise occurs. That is due to the piezoelectric effect of quartz crystals, which eventually degrades the performance of a radar. High frequency noise are compensated for using mechanical dampers. However, the low frequency noise remains and requires a digital solution. To solve this, a theoretical compensation model for the quartz crystal has been designed. It was possible to measure the noise generated by the quartz crystal by utilising an accelerometer, perform simulations and calculations. With the help of these different tools, it was possible to theoretically calculate and reduce the phase noise by 30-40%. All the results that has been obtained are theoretical results and nothing has yet been implemented in any radar system.

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Lallo, Madeline M. « Good Vibrations : Signal Complexity in Schizocosa Ethospecies ». University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1554215678769319.

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Liu, Zhao. « Modeling and measurement of the effects of atmospheric turbulence and platform vibrations on laser communication ». Diss., Online access via UMI:, 2009.

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Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Electrical and Computer Engineering, 2009.
Includes bibliographical references.

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Lindh, Therese, et Wallin Gustav Wilsson. « Störningar vid om- och nybyggnad av sjukhus : Reducering av upplevda störningar vid ombyggnader av Södertälje sjukhus ». Thesis, KTH, Byggteknik och design, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147308.

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Störningar som damm, buller och vibrationer förekommer vid alla byggarbeten. Detta skapar problem vid byggnation av sjukhus med pågående verksamhet. Stockholms sjukhus uppfyller inte samhällets växande behov på hälso- och sjukvård. Stora investeringar görs därför för att rusta upp sjukhusen, Södertälje sjukhus är det första att moderniseras [2]. Examensarbetet undersöker vilka störningar som vårdpersonalen vid Södertälje sjukhus upplever och vad Locum samt Södertälje Sjukhus AB gör för att reducera dessa. Observationer, möten och litteraturstudier genomfördes för att samla information om Södertälje sjukhus, Locum och byggrelaterade störningar. En enkätundersökning utfördes för att få kunskap om vårdens åsikter gällande kommunikation, störningar och evakuering av verksamhet. Med detta som underlag genomfördes analysering som resulterade i åtgärdsförslag för reducering av vårdens upplevda störningar. Analysen visade att vården upplevt flera störningar från byggnationerna, störst påverkan hade buller och vibrationer. Vårdens inställning och förståelse till byggnationerna var god. God informering via flera kommunikationskanaler ligger till grund för detta. Vidare utveckling av kommunikationskanalerna skulle reducera den upplevda störningen.
Disturbances such as dust, noise and vibrations occur in all construction work. This creates problems in the construction of hospitals with ongoing activities. The hospitals in Stockholm do not meet society's growing need for health care. Huge investments are therefore made to rehabilitate the hospitals, Södertälje Hospital is the first to be modernized [2]. This thesis investigates the perceived disturbances that healthcare personnel experience at Södertälje hospital and what Locum and Södertälje Sjukhus AB do to reduce them. Observations, meetings and literature studies were conducted to gather information about Södertälje Hospital, Locum and construction-related disturbances. A survey was conducted to gain knowledge about the opinions of healthcare personnel regarding communication, disturbances and evacuation operations. An analysis was conducted on this basis, which resulted in proposed measures for reducing perceived disturbance by healthcare. The analysis showed that the healthcare experienced several disturbances from construction work, noise and vibrations had the greatest impact. Personnel’s attitude and understanding to the construction work was good. Good informing shared through multiple communication channels is the basis for this. Further development of communication channels would reduce the perceived disturbance.

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Lu, Yingxian. « Récolteuses d’énergie cinétique électrostatique (e-REC) à basse fréquence pour applications de communication RFID et électronique portable ». Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1077/document.

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Un nombre croissant d’appareils électroniques portatifs et portables entraîne une demande croissante de module d’alimentation électrique durable et localisé de petite taille et de poids, et offrant une puissance de sortie élevée. En tant que choix prometteur pour l’alimentation électrique, les moissonneuses d’énergie cinétiques (REC), qui transforment les vibrations ou les mouvements ambiants en énergie électrique, sont étudiées de manière intensive ces dernières années. Les performances des RECs miniatures disponibles dans la littérature sont généralement limitées par leur taille. Les vibrations ambiantes sont généralement abondantes en basse fréquence, ce qui est également un facteur majeur limitant la puissance de sortie du REC. Afin d’améliorer la puissance de sortie, nous devrions améliorer l’efficacité de la conversion d’énergie, qui est liée au principe de transduction. Ce travail présente l’amélioration de la puissance de sortie des RECs électrostatiques basse fréquence grâce à un mécanisme de conversion de fréquence mécanique couplé par impact, et propose un modèle numérique prédictif du prototype qui prend en compte l’effet d’amortissement de l’air et les impacts dans le prototype. Un prototype est proposé avec une géométrie améliorée du module capacitif réduisant la force d’amortissement de l’air. Des approches alternatives pour ajuster les RECs à des applications variées sont proposées, y compris un REC entièrement flexible conçue pour l’électronique portable, et un REC à basse fréquence 2-D sensible aux vibrations suivant deux directions orthogonales. De plus, un système d’étiquette RFID entièrement autonome en énergie mettant en œuvre le REC à basse fréquence en tant que module d’alimentation électrique et un module de communication RFID semi-passif est présenté
A growing number of portable and wearable electronics results in an increasing demand of sustainable and localized power supply module of small size and weight, and offering high output power. As a promising choice for the power supply, Kinetic energy harvesters (KEHs), transforming the ambient vibrations or motions into electrical energy, are studied intensively in recent yeas. The performance of the miniature KEHs available in literature are generaly confined by their sized. The ambient vibrations are usually abundant in low frequency, which is also a major factor restricting the output power of the KEH. In order to enhance the power output, we should improve the energy conversion efficiency, which is related to the transduction principle. This work presents the improvement of the output power of low frequency electrostatic KEHs through impact-coupled mechanical frequency up conversion mechanism, and proposes a predictive numerical model of the prototype which considers the squeeze film air damping effect and the impacts in the prototype. A prototype is proposed with improved geometry of capacitive module reducing the air damping force. Alternative approaches to adjust the KEHs to varied applications are proposed, including a fully flexible KEH designed for wearable electronics, and a 2-D low frequency KEH that is sensible to vibrations along two orthogonal directions. In addition, a fully energy-autonomous RFID tag system implementing the low frequency KEH as the power supply module and a semi-passive RFID communication module is presented

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Sweger, Alexander L. « Courtship Signaling, Sexual Selection, and the Potential for Acoustic Communication in the “Purring” Wolf Spider Gladicosa Gulosa ». University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1504781228686818.

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Laslie, Kathryn C. « Investigations of Biotremors in the Veiled Chameleon (Chamaeleo calyptratus) ». TopSCHOLAR®, 2018. https://digitalcommons.wku.edu/theses/3067.

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While substrate-borne vibrations are utilized by different reptile species, true conspecific communication via biotremors has not yet been demonstrated in reptiles. This study follows a preliminary report that the veiled chameleon (Chamaeleo calyptratus) could produce biotremors in communicative contexts. I tested chameleon behavioral sensitivity to vibrations by placing them on a dowel attached to a shaker emitting vibrations of 25, 50, 150, 300, and 600 Hz and then measured their changes in velocity before and after the stimulus. I then paired chameleons in various social contexts [anthropogenic disturbance (human disruption of animal); dominance (malemale; female-female C. calyptratus); courtship (male-female C. calyptratus); heterospecific (C. calyptratus + C. gracilis); and predator-prey (adult + juvenile C. calyptratus)] and used a video camera and accelerometers to record their behavior. This study demonstrates that chameleons produce biotremors and that receivers exhibit a freeze response when exposed to a simulated biotremor stimulus. Furthermore, veiled chameleons produce biotremors in anthropogenic disturbance, conspecific dominance and courtship contexts, and these biotremors are elicited by visual contact with another adult conspecific and heterospecifics. Overall, two classes of biotremor were identified, "hoots” and “rumbles,” which differ significantly in dominant frequency and waveform. No correlation was identified between animal size and dominant frequency of the biotremors they produced as biotremors originate from rapid muscle contractions. Juvenile chameleons of two months of age are able to produce biotremors, suggesting this behavior may have multiple functions. Overall, the data suggest that the veiled chameleon has the potential to utilize substrate-borne vibrational communication during conspecific and possibly heterospecific interactions.

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Esu, Ozak O. « Vibration-based condition monitoring of wind turbine blades ». Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/21679.

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Significant advances in wind turbine technology have increased the need for maintenance through condition monitoring. Indeed condition monitoring techniques exist and are deployed on wind turbines across Europe and America but are limited in scope. The sensors and monitoring devices used can be very expensive to deploy, further increasing costs within the wind industry. The work outlined in this thesis primarily investigates potential low-cost alternatives in the laboratory environment using vibration-based and modal testing techniques that could be used to monitor the condition of wind turbine blades. The main contributions of this thesis are: (1) the review of vibration-based condition monitoring for changing natural frequency identification; (2) the application of low-cost piezoelectric sounders with proof mass for sensing and measuring vibrations which provide information on structural health; (3) the application of low-cost miniature Micro-Electro-Mechanical Systems (MEMS) accelerometers for detecting and measuring defects in micro wind turbine blades in laboratory experiments; (4) development of an in-service calibration technique for arbitrarily positioned MEMS accelerometers on a medium-sized wind turbine blade. This allowed for easier aligning of coordinate systems and setting the accelerometer calibration values using samples taken over a period of time; (5) laboratory validation of low-cost modal analysis techniques on a medium-sized wind turbine blade; (6) mimicked ice-loading and laboratory measurement of vibration characteristics using MEMS accelerometers on a real wind turbine blade and (7) conceptualisation and systems design of a novel embedded monitoring system that can be installed at manufacture, is self-powered, has signal processing capability and can operate remotely. By applying the conclusions of this work, which demonstrates that low-cost consumer electronics specifically MEMS accelerometers can measure the vibration characteristics of wind turbine blades, the implementation and deployment of these devices can contribute towards reducing the rising costs of condition monitoring within the wind industry.

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ur, Réhman Shafiq. « Expressing emotions through vibration for perception and control ». Doctoral thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-32990.

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This thesis addresses a challenging problem: “how to let the visually impaired ‘see’ others emotions”. We, human beings, are heavily dependent on facial expressions to express ourselves. A smile shows that the person you are talking to is pleased, amused, relieved etc. People use emotional information from facial expressions to switch between conversation topics and to determine attitudes of individuals. Missing emotional information from facial expressions and head gestures makes the visually impaired extremely difficult to interact with others in social events. To enhance the visually impaired’s social interactive ability, in this thesis we have been working on the scientific topic of ‘expressing human emotions through vibrotactile patterns’. It is quite challenging to deliver human emotions through touch since our touch channel is very limited. We first investigated how to render emotions through a vibrator. We developed a real time “lipless” tracking system to extract dynamic emotions from the mouth and employed mobile phones as a platform for the visually impaired to perceive primary emotion types. Later on, we extended the system to render more general dynamic media signals: for example, render live football games through vibration in the mobile for improving mobile user communication and entertainment experience. To display more natural emotions (i.e. emotion type plus emotion intensity), we developed the technology to enable the visually impaired to directly interpret human emotions. This was achieved by use of machine vision techniques and vibrotactile display. The display is comprised of a ‘vibration actuators matrix’ mounted on the back of a chair and the actuators are sequentially activated to provide dynamic emotional information. The research focus has been on finding a global, analytical, and semantic representation for facial expressions to replace state of the art facial action coding systems (FACS) approach. We proposed to use the manifold of facial expressions to characterize dynamic emotions. The basic emotional expressions with increasing intensity become curves on the manifold extended from the center. The blends of emotions lie between those curves, which could be defined analytically by the positions of the main curves. The manifold is the “Braille Code” of emotions. The developed methodology and technology has been extended for building assistive wheelchair systems to aid a specific group of disabled people, cerebral palsy or stroke patients (i.e. lacking fine motor control skills), who don’t have ability to access and control the wheelchair with conventional means, such as joystick or chin stick. The solution is to extract the manifold of the head or the tongue gestures for controlling the wheelchair. The manifold is rendered by a 2D vibration array to provide user of the wheelchair with action information from gestures and system status information, which is very important in enhancing usability of such an assistive system. Current research work not only provides a foundation stone for vibrotactile rendering system based on object localization but also a concrete step to a new dimension of human-machine interaction.
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Livres sur le sujet "Vibrational communication"

Cocroft, Reginald B., Matija Gogala, Peggy S. M. Hill et Andreas Wessel, dir. Studying Vibrational Communication. Berlin, Heidelberg : Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43607-3.

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1940-, Elsner Norbert, Kalmring Klaus et Deutsche Gesellschaft für Allgemeine und Angewandte Entomologie., dir. Acoustic and vibrational communication in insects : Proceedings from the XVII. International Congress of Entomology held at the University of Hamburg, August 1984. Berlin : P. Parey, 1985.

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Ray, Kanad, S. N. Sharan, Sanyog Rawat, S. K. Jain, Sumit Srivastava et Anirban Bandyopadhyay, dir. Engineering Vibration, Communication and Information Processing. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-1642-5.

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Roundy, Shad. Energy scavenging for wireless sensor networks : With special focus on vibrations. Boston : Kluwer Academic Publishers, 2004.

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Gross, Manfred, M.D., Ph. D., dir. Stroboscopy : And other techniques for the analysis of vocal fold vibration. London : Whurr, 2005.

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Lamberto, Rondoni, Mitra Mala et SpringerLink (Online service), dir. Applications of Chaos and Nonlinear Dynamics in Science and Engineering - Vol. 2. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012.

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Luigi, Fortuna, Frasca Mattia, Rizzo Alessandro, Schenato Luca, Zampieri Sandro et SpringerLink (Online service), dir. Modelling, Estimation and Control of Networked Complex Systems. Berlin, Heidelberg : Springer-Verlag Berlin Heidelberg, 2009.

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E, Hershey J., dir. Hadamard matrix analysis and synthesis : With applications to communications and signal/image processing. Boston : Kluwer Academic Publishers, 1997.

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Hans, Knutsson, dir. Signal processing for computer vision. Dordrecht : Kluwer Academic Publishers, 1995.

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Wessel, Andreas, Reginald B. Cocroft, Matija Gogala et Peggy S. M. Hill. Studying Vibrational Communication. Springer, 2014.

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Chapitres de livres sur le sujet "Vibrational communication"

Heppner, John B., John B. Heppner, John L. Capinera, Jamie Ellis, Andrey N. Alekseev, Phyllis G. Weintraub, John L. Capinera et al. « Vibrational Communication ». Dans Encyclopedia of Entomology, 4103–5. Dordrecht : Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_3975.

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Dunlop, Rebecca, William L. Gannon, Marthe Kiley-Worthington, Peggy S. M. Hill, Andreas Wessel et Jeanette A. Thomas. « Vibrational and Acoustic Communication in Animals ». Dans Exploring Animal Behavior Through Sound : Volume 1, 389–417. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97540-1_11.

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AbstractAn introduction to acoustic and vibrational communication in animals is presented in this chapter. Starting with the origins of communication and ritualization of vocal and vibrational signals to produce a clear message or broadcast. A summary of communication concepts is presented describing behaviors such as displays. The chapter continues by unraveling some of the complexities of acoustic and vibrational communication such as elephant vibration detection posture and reception of long-range vibrational signal production—or drumming—in Prairie chickens and Kangaroo rats. We discuss the advantages of vibrational and acoustic signal production signals as well as the disadvantages including the influence of environmental factors that may mask or attenuate signals such as wind, water, or structural clutter. Research on the informational content of these signals is progressing. We provide a summary of ground-breaking earlier work, an indication of where we believe the field is now, and a glimpse of where we believe the field could be going in the future. The chapter concludes with a discussion of the characteristics of human language and whether nonhuman animals have such a language with the accompanying mental abilities. It could just be that other animals are most entertained (and threatened!) by our signaling behaviors.

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Avosani, Sabina, Richard W. Mankin, Thomas E. S. Sullivan, Jernej Polajnar, David Maxwell Suckling et Valerio Mazzoni. « Vibrational Communication in Psyllids ». Dans Biotremology : Physiology, Ecology, and Evolution, 529–46. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97419-0_22.

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Taylor, Benjamin J., et Jennifer M. Jandt. « Communication : Vibrational and Acoustic ». Dans Encyclopedia of Social Insects, 274–79. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-28102-1_145.

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Taylor, Benjamin J., et Jennifer M. Jandt. « Communication, Vibrational and Acoustic ». Dans Encyclopedia of Social Insects, 1–6. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-90306-4_145-1.

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Taylor, Benjamin J., et Jennifer M. Jandt. « Communication : Vibrational and Acoustic ». Dans Encyclopedia of Social Insects, 1–6. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-90306-4_145-2.

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Eberhard, Monika J. B., et Mike D. Picker. « Vibrational Communication in Heelwalkers (Mantophasmatodea) ». Dans Biotremology : Studying Vibrational Behavior, 293–307. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22293-2_15.

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Michelsen, Axel. « Physical Aspects of Vibrational Communication ». Dans Animal Signals and Communication, 199–213. Berlin, Heidelberg : Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43607-3_11.

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Tochev, Emil, Harald Pfifer et Svetan Ratchev. « Indirect System Condition Monitoring Using Online Bayesian Changepoint Detection ». Dans IFIP Advances in Information and Communication Technology, 81–92. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72632-4_6.

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AbstractThis paper presents a method for online vibration analysis and a simple test bench analogue for the solder pumping system in an industrial wave-soldering machine at a Siemens factory. A common machine fault is caused by solder build-up within the pipes of the machine. This leads to a pressure drop in the system, which is replicated in the test bench by restricting the flow of water using a gate valve. The pump’s vibrational response is recorded using an accelerometer. The captured data is passed through an online Bayesian Changepoint Detection algorithm, adapted from existing literature, to detect the point at which the change in flow rate affects the pump, and thus the PCB assembly capability of the machine. This information can be used to trigger machine maintenance operations, or to isolate the vibrational response indicative of the machine fault.

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Saraceno, Tomás, Ally Bisshop, Adrian Krell et Roland Mühlethaler. « Arachnid Orchestras : Artistic Research in Vibrational Interspecies Communication ». Dans Biotremology : Studying Vibrational Behavior, 485–509. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22293-2_24.

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Actes de conférences sur le sujet "Vibrational communication"

Centers, Jessica, et Jeffrey Krolik. « Vibrational Radar Backscatter Communication using Resonant Transponding Surfaces ». Dans 2022 IEEE 12th Sensor Array and Multichannel Signal Processing Workshop (SAM). IEEE, 2022. http://dx.doi.org/10.1109/sam53842.2022.9827869.

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Zhong, Yi, et Julian Tao. « Bio-Inspired Vibrational Transmitters for Wireless Underground Communication ». Dans Geo-Congress 2022. Reston, VA : American Society of Civil Engineers, 2022. http://dx.doi.org/10.1061/9780784484067.005.

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Richerme, Philip. « Quantum computation of hydrogen bond dynamics and vibrational spectra ». Dans Quantum Computing, Communication, and Simulation III, sous la direction de Philip R. Hemmer et Alan L. Migdall. SPIE, 2023. http://dx.doi.org/10.1117/12.2656530.

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SUDO, SHOICHI, YOSHIHISA SAKAI, HIROSHI YASAKA et TETSUHIKO IKEGAMI. « Frequency stabilization of 1.55-μm DFB laser diode using vibrational-rotational absorption of 13C2H2 molecules ». Dans Optical Fiber Communication Conference. Washington, D.C. : OSA, 1990. http://dx.doi.org/10.1364/ofc.1990.the5.

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Tellez, J., et J. Collado. « Attenuation of Oscillations in a Mechanical System Using a Vibrational Parameter ». Dans 2nd International Symposium on Computer, Communication, Control and Automation. Paris, France : Atlantis Press, 2013. http://dx.doi.org/10.2991/3ca-13.2013.106.

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Sharma, Amit, Ashish Kumar Sharma, Vijay Kumar et A. K. Raghav. « Computation of vibrational frequency on trapezoidal plate with non homogeneity effect ». Dans 2016 International Conference on Computing, Communication and Automation (ICCCA). IEEE, 2016. http://dx.doi.org/10.1109/ccaa.2016.7813953.

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Islam, Md Sherajul, Ashraful G. Bhuiyan, Md Fahim-Al-Fattah et Akihiro Hashimoto. « Numerical analysis on vibrational properties of vacancy-type disordered graphane ». Dans 2015 International Conference on Electrical Engineering and Information Communication Technology (ICEEICT). IEEE, 2015. http://dx.doi.org/10.1109/iceeict.2015.7307387.

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Islam, Sherajul, Ashraful Ghani Bhuiyan et Akihiro Hashimoto. « Realistic edge shape effects on the vibrational properties of graphene nanoribbons ». Dans 2015 2nd International Conference on Electrical Information and Communication Technologies (EICT). IEEE, 2015. http://dx.doi.org/10.1109/eict.2015.7391987.

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Karuza, M., C. Biancofiore, M. Galassi, R. Natali, G. Di Giuseppe, P. Tombesi, D. Vitali, Timothy Ralph et Ping Koy Lam. « Quantum dynamics of a vibrational mode of a membrane within an optical cavity ». Dans QUANTUM COMMUNICATION, MEASUREMENT AND COMPUTING (QCMC) : The Tenth International Conference. AIP, 2011. http://dx.doi.org/10.1063/1.3630212.

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Jannatul Islam, A. S. M., Md Rasidul Islam, Md Sherajul Islam et A. G. Bhuiyan. « Numerical simulation of vibrational properties of AGNR with vacancy and stone wales defects ». Dans 2017 3rd International Conference on Electrical Information and Communication Technology (EICT). IEEE, 2017. http://dx.doi.org/10.1109/eict.2017.8275235.

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Rapports d'organisations sur le sujet "Vibrational communication"

Asaturov, M. U., et G. K. Korendyasev. ENHANCEMENT OF VIBRATION STABILITY OF TERMINAL EQUIPMENT CASES OF VOICE COMMUNICATION CONTROL SYSTEMS (VCCS) FOR AIR TRAFFIC CONTROLLERS. DOI СODE, 2021. http://dx.doi.org/10.18411/vntr2021-163-1.

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Mazzoni, Silvia, Nicholas Gregor, Linda Al Atik, Yousef Bozorgnia, David Welch et Gregory Deierlein. Probabilistic Seismic Hazard Analysis and Selecting and Scaling of Ground-Motion Records (PEER-CEA Project). Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, novembre 2020. http://dx.doi.org/10.55461/zjdn7385.

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This report is one of a series of reports documenting the methods and findings of a multi-year, multi-disciplinary project coordinated by the Pacific Earthquake Engineering Research Center (PEER) and funded by the California Earthquake Authority (CEA). The overall project is titled “Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings,” henceforth referred to as the “PEER–CEA Project.” The overall objective of the PEER–CEA Project is to provide scientifically based information (e.g., testing, analysis, and resulting loss models) that measure and assess the effectiveness of seismic retrofit to reduce the risk of damage and associated losses (repair costs) of wood-frame houses with cripple wall and sill anchorage deficiencies as well as retrofitted conditions that address those deficiencies. Tasks that support and inform the loss-modeling effort are: (1) collecting and summarizing existing information and results of previous research on the performance of wood-frame houses; (2) identifying construction features to characterize alternative variants of wood-frame houses; (3) characterizing earthquake hazard and ground motions at representative sites in California; (4) developing cyclic loading protocols and conducting laboratory tests of cripple wall panels, wood-frame wall subassemblies, and sill anchorages to measure and document their response (strength and stiffness) under cyclic loading; and (5) the computer modeling, simulations, and the development of loss models as informed by a workshop with claims adjustors. This report is a product of Working Group 3 (WG3), Task 3.1: Selecting and Scaling Ground-motion records. The objective of Task 3.1 is to provide suites of ground motions to be used by other working groups (WGs), especially Working Group 5: Analytical Modeling (WG5) for Simulation Studies. The ground motions used in the numerical simulations are intended to represent seismic hazard at the building site. The seismic hazard is dependent on the location of the site relative to seismic sources, the characteristics of the seismic sources in the region and the local soil conditions at the site. To achieve a proper representation of hazard across the State of California, ten sites were selected, and a site-specific probabilistic seismic hazard analysis (PSHA) was performed at each of these sites for both a soft soil (Vs30 = 270 m/sec) and a stiff soil (Vs30=760 m/sec). The PSHA used the UCERF3 seismic source model, which represents the latest seismic source model adopted by the USGS [2013] and NGA-West2 ground-motion models. The PSHA was carried out for structural periods ranging from 0.01 to 10 sec. At each site and soil class, the results from the PSHA—hazard curves, hazard deaggregation, and uniform-hazard spectra (UHS)—were extracted for a series of ten return periods, prescribed by WG5 and WG6, ranging from 15.5–2500 years. For each case (site, soil class, and return period), the UHS was used as the target spectrum for selection and modification of a suite of ground motions. Additionally, another set of target spectra based on “Conditional Spectra” (CS), which are more realistic than UHS, was developed [Baker and Lee 2018]. The Conditional Spectra are defined by the median (Conditional Mean Spectrum) and a period-dependent variance. A suite of at least 40 record pairs (horizontal) were selected and modified for each return period and target-spectrum type. Thus, for each ground-motion suite, 40 or more record pairs were selected using the deaggregation of the hazard, resulting in more than 200 record pairs per target-spectrum type at each site. The suites contained more than 40 records in case some were rejected by the modelers due to secondary characteristics; however, none were rejected, and the complete set was used. For the case of UHS as the target spectrum, the selected motions were modified (scaled) such that the average of the median spectrum (RotD50) [Boore 2010] of the ground-motion pairs follow the target spectrum closely within the period range of interest to the analysts. In communications with WG5 researchers, for ground-motion (time histories, or time series) selection and modification, a period range between 0.01–2.0 sec was selected for this specific application for the project. The duration metrics and pulse characteristics of the records were also used in the final selection of ground motions. The damping ratio for the PSHA and ground-motion target spectra was set to 5%, which is standard practice in engineering applications. For the cases where the CS was used as the target spectrum, the ground-motion suites were selected and scaled using a modified version of the conditional spectrum ground-motion selection tool (CS-GMS tool) developed by Baker and Lee [2018]. This tool selects and scales a suite of ground motions to meet both the median and the user-defined variability. This variability is defined by the relationship developed by Baker and Jayaram [2008]. The computation of CS requires a structural period for the conditional model. In collaboration with WG5 researchers, a conditioning period of 0.25 sec was selected as a representative of the fundamental mode of vibration of the buildings of interest in this study. Working Group 5 carried out a sensitivity analysis of using other conditioning periods, and the results and discussion of selection of conditioning period are reported in Section 4 of the WG5 PEER report entitled Technical Background Report for Structural Analysis and Performance Assessment. The WG3.1 report presents a summary of the selected sites, the seismic-source characterization model, and the ground-motion characterization model used in the PSHA, followed by selection and modification of suites of ground motions. The Record Sequence Number (RSN) and the associated scale factors are tabulated in the Appendices of this report, and the actual time-series files can be downloaded from the PEER Ground-motion database Portal (https://ngawest2.berkeley.edu/)(link is external).

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