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Статті в журналах з теми "Communication longue distance"
Jouventin, Pierre, Thierry Lengagne, and Thierry Aubin. "Finding One's Mate in a King Penguin Colony: Efficiency of Acoustic Communication." Behaviour 136, no. 7 (1999): 833–46. http://dx.doi.org/10.1163/156853999501595.
Повний текст джерелаFeenberg, Andrew. "Reflections on the Distance Learning Controversy." Canadian Journal of Communication 24, no. 3 (March 1, 1999). http://dx.doi.org/10.22230/cjc.1999v24n3a1110.
Повний текст джерелаLangonné, Joël. "Les voyages du Journal de l’Atlantique. Circulations, attachements et modernité." Articles 10, no. 1 (January 11, 2019). http://dx.doi.org/10.7202/1055408ar.
Повний текст джерелаДисертації з теми "Communication longue distance"
Martin, Anthony. "Puces photoniques pour la communication quantique longue distance." Phd thesis, Université de Nice Sophia-Antipolis, 2011. http://tel.archives-ouvertes.fr/tel-00683569.
Повний текст джерелаFabre, Muriel. "Complexes dinucléaires Ruthénium-cyanamides : composés modèles pour l'étude de la communication électronique à longue distance." Phd thesis, Université Paul Sabatier - Toulouse III, 2006. http://tel.archives-ouvertes.fr/tel-00171709.
Повний текст джерелаUne première famille de complexes dinucléaires du ruthénium [{RuII(tpy)(acac)}2(µ-L)] (où tpy = 2,2'-6',2''-terpyridine, acac = acétylacétonate et L est un ligand pontant dicyanamide) a été synthétisée. Ces complexes, bien que prometteurs pour la mesure des couplages électroniques et magnétiques, n'ont pas pu être caractérisés et étudiés complètement en raisons des problèmes de solubilité rencontrés.
Une deuxième famille de composés [{RuII(tpy)(thd)}2(µ-L)] (où thd = 2,2,6,6-tétraméthylheptanedione), plus solubles de par la présence de groupements tert-butyles, a ensuite été synthétisée, la distance métal-métal variant entre 12,0 et 25,1 Å. Les formes à valence mixte RuII-RuIII de ces complexes ont été générées par électrochimie et le couplage électronique Vab déterminé par spectroscopie UV-Vis-Proche IR. On retrouve une décroissance exponentielle de ce paramètre avec la distance métal-métal. Les formes homovalentes paramagnétiques RuIII-RuIII ont été générées chimiquement et/ou électrochimiquement, des mesures de susceptibilité magnétique et des études RPE ont permis la détermination du paramètre de couplage magnétique J et la mise en évidence d'une loi de décroissance exponentielle de ce paramètre avec la distance métal-métal.
Le complexe le plus court de cette famille [{RuII(tpy)(thd)}2(µ-dicyd)] (où dicyd = dicyanamidobenzène) présente un comportement très différent. Des études électrochimiques, spectroscopiques (UV-Vis-PIR, RPE), magnétiques et cristallographiques complétées par des calculs DFT ont mis en lumière la non-innocence du ligand dicyanamidobenzène dans ce type de systèmes. En l'occurrence, celui-ci est oxydé avant les deux ions ruthénium (II).
Fauquier, Teddy. "LES CELLULES FOLLICULOSTELLAIRES : UNITES FONCTIONNELLES D'UNE VOIE DE COMMUNICATION A LONGUE DISTANCE DANS L'HYPOPHYSE ANTERIEURE." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2001. http://tel.archives-ouvertes.fr/tel-00770829.
Повний текст джерелаFauquier, Teddy. "Les cellules folliculostellaires : unités fonctionnelles d'une voie de communication à longue distance dans l'hypophyse antérieure." Montpellier 2, 2001. http://www.theses.fr/2001MON20144.
Повний текст джерелаFedrici, Bruno. "Solutions évolutives pour les réseaux de communication quantique." Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4117/document.
Повний текст джерелаThis thesis presents solutions to the challenges of developing quantum communication networks. Two powerful experimental devices have been set up relying only on standard telecom and integrated optical components. The first device corresponds to an all-optical synchronization scheme allowing, with an unprecedented accuracy, quantum key distribution at a high rate over long distances. The experimental scheme relies on two independent entangled photon pair sources that have to be synchronized in their emission time. Our approach is based on using a 2.5 GHz picosecond telecom laser as a master clock to efficiently synchronize the different sources. We demonstrate the synchronization for an effective distance of 100 km between sources. With our second device, we perform a squeezing experiment at telecom wavelengths and this for the first time in a fully guided-wave approach. Squeezed light being a fundamental resource for several quantum information protocols, developing plug-and-play experimental devices that are compatible with already existing telecom fiber networks is of first interest in the perspective of future quantum networks. Finally, we propose a quantum description of timing jitter effects in 0N/0FF detectors. Despite the importance of detection systems in emerging photonic quantum technologies, no quantum description of their timing jitter effects has been proposed so far
Juventin, Maxime. "Can the respiratory rhythm be a global signal promoting long-range communication in the brain?" Thesis, Lyon, 2021. https://tel.archives-ouvertes.fr/tel-03789626.
Повний текст джерелаThe brain is the site of intense rhythmic activity, each area of the brain expressing one or more rhythms. A central question in neuroscience is to understand how these rhythmic activities can coordinate across very distant areas of the brain to solve functions as complex as environmental perception, adapted motor responses or memory formation. One possibility is that the system uses a common time reference, a sort of central clock, from which the different neural networks involved in a function could coordinate. Today, the existence and nature of this clock are still debated. We hypothesize that the respiratory rate could be one of these central clocks, constituting a reference signal for the coordination of different areas of the brain. As a central clock, breathing has major advantages: reliability (because it is a vital function), flexibility (because it adapts to the needs of the organism), low cost (because it is a rhythm which is not not created specifically for this function). In the olfactory system, the link between respiratory rate and neuronal activity is undeniable. Respiration causes slow oscillations in the respiratory rate, bursts of rapid oscillations (gamma and beta) and the discharge of neurons. Recent literature, in which my team participates, has shown that this respiratory influence of neuronal activity is not restricted to the olfactory system, but on the contrary extends to the entire brain (neocortex, amygdala, hippocampus, thalamus). In most of the non-olfactory areas recorded the respiratory rate also modulates the discharge of neurons and rapid oscillations. The slow oscillations associated with breathing therefore seem to affect the overall dynamics of the brain. My thesis project is made up of two parts. First, in order to confirm an influence of the respiratory rate on neurons, I made intracellular recordings in four non-odor areas in anesthetized rats. The targeted structures were the median prefrontal cortex, the primary somatic cortex, the primary visual cortex and finally the hippocampus. I was able to observe respiration modulation in most of these neurons. The quantification of these data shows that the respiratory modulation events are short but observed in a significant number of neurons. These data also provide evidence that the respiratory modulation of various brain areas is not solely due to volume conduction. In a second step, in order to study the coordination of cerebral areas by the respiratory rhythm, I analyzed recordings of multisite local field potentials (LFP) in the vigilant rat. The recordings contain seven areas of the brain (olfactory bulb, anterior piriformis cortex, primary visual cortex, median prefrontal cortex, primary somatic cortex, CA1, dentate gyrus) and respiration. I was able to observe slow oscillations related to respiration in all brain states. But it is during calm awakening that respiratory modulation is greatest and appears in all recorded areas. In parallel, these slow oscillations are coupled with several types of fast oscillations. Finally, I wanted to know if, during the calm state of wakefulness, where LFPs of a large brain network are synchronized with respiration, unit activities can also synchronize with the respiratory signal. To do this, I set up an electrophysiological recording station in constrained vigilant rats allowing the recording of numerous neurons in pairs of cerebral structures with "silicon probes". The station is now functional and I was able to register 6 animals. These last data will not be fully processed when I am defending my thesis. I will present preliminary results which already allow us to show that respiration can synchronize the unit activities of many cells in even spatially distant regions of the brain
Lu, Liping. "PERFORMANCES ET QUALITE DE SERVICE DANS LES RESEAUX COURANTS PORTEURS POUR DES SYSTEMES DE DISTRIBUTION MOYENNE TENSION ET BASSE TENSION." Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2006. http://tel.archives-ouvertes.fr/tel-00120937.
Повний текст джерелаFracasso, Bruno. "Des interconnexions holographiques à l'aiguillage dynamique pour les réseaux de communications optiques." Habilitation à diriger des recherches, Université de Bretagne Sud, 2010. http://tel.archives-ouvertes.fr/tel-00691577.
Повний текст джерелаLu, Liping. "Performances and quality of service of PLC networks for MV and LV distribution systems." Thesis, Vandoeuvre-les-Nancy, INPL, 2006. http://www.theses.fr/2006INPL080N/document.
Повний текст джерелаDans cette thèse, nous nous intéressons à la problématique liée à la communication numérique sur courant porteur dans l’objectif de fournir une infrastructure de communication qui permet la surveillance et le contrôle de la distribution et de la consommation de l’énergie. Ce travail a été effectué dans le cadre du projet européen REMPLI (Real-time Energy Management via Power Line and Internet) et a produit la spécification REMPLI PLC (Power Line Communication). Pour fournir une meilleure performance de la communication et effectuer le transfert de données en temps réel, en utilisant les réseaux électriques de moyenne tension et de basse tension, les problèmes principaux qui sont le routage dynamique de paquets de données, la gestion de la qualité de service et la notification des événement en temps réel, ont été traités. Nous avons développé un protocole de routage efficace pour s’adapter au changement dynamique de topologie du réseau électrique. Les performances de REMPLI PLC sont évaluées en utilisant des approches de simulation couplée avec des approches analytiques. Il est prouvé que la majorité des besoins applicatifs peuvent être satisfaite par REMPLI PLC. Nous avons proposé et implanté un nouvel “ordonnançeur de traffic” fournissant différents niveaux de qualité de service pour les applications. Des variantes de protocole ALOHA ont été proposées et évaluées afin de vérifier que les propriétés temps réel requises sur les notifications d’événements sont respectées
Amari, Abdelkerim. "Compensation des effets nonlinéaires pour les transmissions WDM longue distance à 400Gbps et au-delà." Thesis, Paris, ENST, 2016. http://www.theses.fr/2016ENST0031/document.
Повний текст джерелаOptical communication systems have evolved since their deployment to meet the growing demand for high-speed communications. Over the past decades, the global demand for communication capacity has increased exponentially and the most of the growth has occurred in the last few years when data started dominating network traffic. In order to meet the increase of traffic demands fueled by the growth of internet services, an increase of access network capacity and consequently metro and long-haul network capacities is required. Next generation of long-haul WDM transmission systems is expected to operate at 400Gbps or 1Tbps bit rate. Superchannel approaches, such as Nyquist WDM and multi-band OFDM, allow both high spectral efficiency and small guardband which makes them promising candidates to generate these high bit rates in combination with multi-level modulations formats. Such transmission systems are strongly disturbed by fiber nonlinear effects which increase with the data rate and the small guard band. Therefore, fiber nonlinearities compensation is required to get the desired performance in terms of transmission reach. DSP based approaches such as digital back propagation and third-order Volterra based nonlinear equalizer have been already proposed to deal with intra-channel or intra-band nonlinear effects. In the context of superchannel systems, we have proposed two new compensation techniques to deal with fiber nonlinear effects. The first one, called fifth-order inverse Volterra based nonlinear equalizer, compensate for intra-band nonlinear effects. The second approach, which is the interband/ subcarrier nonlinear interference canceler, is proposed to combat the nonlinear interference insuperchannel systems
Книги з теми "Communication longue distance"
W, Robinson James. The Excel phenomenon: The astonishing success story of the fastest-growing communications company--and what it means to you. Rocklin, CA: Prima Publishing, 1997.
Знайти повний текст джерелаUnited, States Congress Senate Committee on Commerce Science and Transportation Subcommittee on Communications. Long-distance competition: Hearing before the Subcommittee on Communications of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-ninth Congress, first session, on state of competition in the long-distance telephone markets, September 5 and 11, 1985. Washington: U.S. G.P.O., 1986.
Знайти повний текст джерелаUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Communications. Long-distance competition: Hearing before the Subcommittee on Communications of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-ninth Congress, first session, on state of competition in the long-distance telephone markets, September 5 and 11, 1985. Washington: U.S. G.P.O., 1986.
Знайти повний текст джерелаUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Communications. Long-distance competition: Hearing before the Subcommittee on Communications of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-ninth Congress, first session, on state of competition in the long-distance telephone markets, September 5 and 11, 1985. Washington: U.S. G.P.O., 1986.
Знайти повний текст джерелаUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Communications. Long-distance competition: Hearing before the Subcommittee on Communications of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-ninth Congress, first session, on state of competition in the long-distance telephone markets, September 5 and 11, 1985. Washington: U.S. G.P.O., 1986.
Знайти повний текст джерелаUnited, States Congress Senate Committee on Commerce Science and Transportation Subcommittee on Communications. Long-distance competition: Hearing before the Subcommittee on Communications of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-ninth Congress, first session, on state of competition in the long-distance telephone markets, September 5 and 11, 1985. Washington: U.S. G.P.O., 1986.
Знайти повний текст джерелаUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Communications. Long-distance competition: Hearing before the Subcommittee on Communications of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-ninth Congress, first session, on state of competition in the long-distance telephone markets, September 5 and 11, 1985. Washington: U.S. G.P.O., 1986.
Знайти повний текст джерелаUnited, States Congress Senate Committee on Commerce Science and Transportation Subcommittee on Communications. Long-distance competition: Hearing before the Subcommittee on Communications of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-ninth Congress, first session, on state of competition in the long-distance telephone markets, September 5 and 11, 1985. Washington: U.S. G.P.O., 1986.
Знайти повний текст джерелаUnited, States Congress Senate Committee on Commerce Science and Transportation Subcommittee on Communications. Long-distance competition: Hearing before the Subcommittee on Communications of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-ninth Congress, first session, on state of competition in the long-distance telephone markets, September 5 and 11, 1985. Washington: U.S. G.P.O., 1986.
Знайти повний текст джерелаBeck, Ulrich. Fernliebe: Lebensformen im globalen Zeitalter. Berlin: Suhrkamp, 2011.
Знайти повний текст джерелаЧастини книг з теми "Communication longue distance"
Arru, Laura, Silvia Fornaciari, and Stefano Mancuso. "Oxygen Deficiency-Induced Root-to-Shoot Communication." In Long-Distance Systemic Signaling and Communication in Plants, 125–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_6.
Повний текст джерелаSpiegelman, Ziv, Guy Golan, and Shmuel Wolf. "Macromolecules Trafficking in the Phloem and Interorgan Communication." In Long-Distance Systemic Signaling and Communication in Plants, 275–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_14.
Повний текст джерелаZimmermann, Matthias R., and Axel Mithöfer. "Electrical Long-Distance Signaling in Plants." In Long-Distance Systemic Signaling and Communication in Plants, 291–308. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_15.
Повний текст джерелаHannapel, David J. "Long-Distance Signaling via Mobile RNAs." In Long-Distance Systemic Signaling and Communication in Plants, 53–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_3.
Повний текст джерелаIshihara, Makio. "Impact of Longer Viewing Distance to Virtual Screen upon Mouse-Manipulation Performance." In Communications in Computer and Information Science, 144–50. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06388-6_19.
Повний текст джерелаShah, Jyoti, and Ratnesh Chaturvedi. "Long-Distance Signaling in Systemic Acquired Resistance." In Long-Distance Systemic Signaling and Communication in Plants, 1–21. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_1.
Повний текст джерелаvan Noorden, Giel E., and Ulrike Mathesius. "Auxin as Long-Distance Signal Controlling Root Architecture in Response to Nitrogen." In Long-Distance Systemic Signaling and Communication in Plants, 205–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_10.
Повний текст джерелаHayashi, Satomi, Peter M. Gresshoff, and Brett J. Ferguson. "Systemic Signalling in Legume Nodulation: Nodule Formation and Its Regulation." In Long-Distance Systemic Signaling and Communication in Plants, 219–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_11.
Повний текст джерелаKonert, Grzegorz, Moona Rahikainen, Andrea Trotta, and Saijaliisa Kangasjärvi. "Systemic Signaling in Light Acclimation of Leaves." In Long-Distance Systemic Signaling and Communication in Plants, 231–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_12.
Повний текст джерелаCarmody, Melanie, and Barry Pogson. "Systemic Photooxidative Stress Signalling." In Long-Distance Systemic Signaling and Communication in Plants, 251–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36470-9_13.
Повний текст джерелаТези доповідей конференцій з теми "Communication longue distance"
White, I. H. "40 Gbit/s optical communication system." In IEE Colloquium on High Speed and Long Distance Optical Transmission. IEE, 1996. http://dx.doi.org/10.1049/ic:19960553.
Повний текст джерелаDUAN, LUMING, M. LUKIN, P. ZOLLER, and J. I. CIRAC. "LONG DISTANCE QUANTUM COMMUNICATION." In Proceedings of the XXII Solvay Conference on Physics. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812704634_0040.
Повний текст джерелаSwift, G. "Asymmetric semiconductor laser amplifier loop mirror analysis for high speed communications." In IEE Colloquium on High Speed and Long Distance Transmission. IEE, 1999. http://dx.doi.org/10.1049/ic:19990125.
Повний текст джерелаTittel, W., M. Afzelius, N. Gisin, R. Ricken, S. Hastings-Simon, V. Scarani, H. Suche, W. Sohler, and M. Staudt. "Towards Long-Distance Quantum Communication." In International Conference on Quantum Information. Washington, D.C.: OSA, 2007. http://dx.doi.org/10.1364/icqi.2007.ithh3.
Повний текст джерелаNorthcott, Malcolm J., A. McClaren, J. E. Graves, John Phillips, Don Driver, David Abelson, David W. Young, et al. "Long distance laser communications demonstration." In Defense and Security Symposium, edited by Raja Suresh. SPIE, 2007. http://dx.doi.org/10.1117/12.722320.
Повний текст джерелаIWASHITA, KATSUSHI. "Long-distance coherent communications experiments." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 1988. http://dx.doi.org/10.1364/ofc.1988.wc1.
Повний текст джерелаKreidl, O. Patrick, and Alan S. Willsky. "Decentralized detection with long-distance communication." In 2008 42nd Asilomar Conference on Signals, Systems and Computers. IEEE, 2008. http://dx.doi.org/10.1109/acssc.2008.5074639.
Повний текст джерелаGagan, N., and Biswajit Bhowmik. "Topology Exploration for Long-Distance Communication." In TENCON 2021 - 2021 IEEE Region 10 Conference (TENCON). IEEE, 2021. http://dx.doi.org/10.1109/tencon54134.2021.9707355.
Повний текст джерелаCheng Zhang, Shuran Song, Canxi Li, and Tiansheng Hong. "Long-distance data communication based on wireless communication technology." In 2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC). IEEE, 2011. http://dx.doi.org/10.1109/aimsec.2011.6010054.
Повний текст джерелаPhuphatana, Sukationg, Sarinya Chompoobutr, and Nattanun Thatphithakkul. "Thai Minspeak® System for Long-Distance Facilitating Communications Involving People with Communication Disabilities." In 2018 International Electrical Engineering Congress (iEECON). IEEE, 2018. http://dx.doi.org/10.1109/ieecon.2018.8712211.
Повний текст джерелаЗвіти організацій з теми "Communication longue distance"
Fink, Yoel. Long-Distance, High Data-Rate Quantum Communication With Ultralow Loss Photonic Band Gap Fiber. Fort Belvoir, VA: Defense Technical Information Center, August 2004. http://dx.doi.org/10.21236/ada426419.
Повний текст джерелаLukin, Mikhail. Development of a Quantum Repeater for Long-Distance Quantum Communication Using Photonic Information Storage. Fort Belvoir, VA: Defense Technical Information Center, March 2007. http://dx.doi.org/10.21236/ada464029.
Повний текст джерелаWolf, Shmuel, and William J. Lucas. Involvement of the TMV-MP in the Control of Carbon Metabolism and Partitioning in Transgenic Plants. United States Department of Agriculture, October 1999. http://dx.doi.org/10.32747/1999.7570560.bard.
Повний текст джерелаDownes, Jane, ed. Chalcolithic and Bronze Age Scotland: ScARF Panel Report. Society for Antiquaries of Scotland, September 2012. http://dx.doi.org/10.9750/scarf.09.2012.184.
Повний текст джерелаEpel, Bernard L., Roger N. Beachy, A. Katz, G. Kotlinzky, M. Erlanger, A. Yahalom, M. Erlanger, and J. Szecsi. Isolation and Characterization of Plasmodesmata Components by Association with Tobacco Mosaic Virus Movement Proteins Fused with the Green Fluorescent Protein from Aequorea victoria. United States Department of Agriculture, September 1999. http://dx.doi.org/10.32747/1999.7573996.bard.
Повний текст джерела