Literatura académica sobre el tema "Communications Technologies"
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Artículos de revistas sobre el tema "Communications Technologies"
Hudson, Heather. "New Communications Technologies". International Political Science Review 7, n.º 3 (julio de 1986): 332–43. http://dx.doi.org/10.1177/019251218600700307.
Texto completoJavornik, Tomaž, Andrej Hrovat y Aleš Švigelj. "Radio Technologies for Environment-Aware Wireless Communications". WSEAS TRANSACTIONS ON COMMUNICATIONS 21 (31 de diciembre de 2022): 250–66. http://dx.doi.org/10.37394/23204.2022.21.30.
Texto completoDose, Éric y Pascale Desrumaux. "Technologies et communications digitales". Le Journal des psychologues 399, n.º 7 (21 de junio de 2022): 21–25. http://dx.doi.org/10.3917/jdp.399.0021.
Texto completoLax, Stephen. "Democracy and Communications Technologies". Convergence: The International Journal of Research into New Media Technologies 4, n.º 3 (septiembre de 1998): 30–37. http://dx.doi.org/10.1177/135485659800400305.
Texto completoOhta, Naohisa, Atsushi Takahara, Andrzej Jajszczyk y Roberto Saracco. "Emerging technologies in communications". IEEE Journal on Selected Areas in Communications 31, n.º 9 (septiembre de 2013): 1–5. http://dx.doi.org/10.1109/jsac.2013.sup.0513000.
Texto completoDavis, J. H., N. F. Dinn y W. E. Falconer. "Technologies for global communications". IEEE Communications Magazine 30, n.º 10 (octubre de 1992): 35–43. http://dx.doi.org/10.1109/35.161387.
Texto completoFlanagan, J. L. "Technologies for multimedia communications". Proceedings of the IEEE 82, n.º 4 (abril de 1994): 590–603. http://dx.doi.org/10.1109/5.282245.
Texto completoVincent, Geoff. "Convergence between communications technologies". Telecommunications Policy 17, n.º 7 (septiembre de 1993): 556–57. http://dx.doi.org/10.1016/0308-5961(93)90098-n.
Texto completoCarreras-Coch, Anna, Joan Navarro, Carles Sans y Agustín Zaballos. "Communication Technologies in Emergency Situations". Electronics 11, n.º 7 (6 de abril de 2022): 1155. http://dx.doi.org/10.3390/electronics11071155.
Texto completoVisser, Lori. "New Technologies Create Communications Challenges". American Journal of Critical Care 20, n.º 6 (1 de noviembre de 2011): 425–26. http://dx.doi.org/10.4037/ajcc2011351.
Texto completoTesis sobre el tema "Communications Technologies"
Shelden, Dennis R. (Dennis Robert). "Communications technologies in collaborative design". Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43292.
Texto completoMoss, Jonathan G. O. "Spread spectrum technologies for future communications systems". Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285021.
Texto completoIzhac, Abdurrahman. "THz technologies and models for mobile communications". Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494157.
Texto completoThomas, Charalambos Bob. "Information communications technologies in education : a Faustian bargain?" Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33934.
Texto completoMarzolf, Eric. "Etude de technologies d'antennes pour les communications millimétriques". Rennes, INSA, 2002. http://www.theses.fr/2002ISAR0005.
Texto completoMohammed, Nadia. "Future of interactive technologies". Thesis, Edinburgh Napier University, 2011. http://researchrepository.napier.ac.uk/Output/4659.
Texto completoWu, Yue. "Advanced technologies for device-to-device communications underlaying cellular networks". Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/15391/.
Texto completoLim, Cher Ping. "Situating information and communications technologies (ICT) in the economics course". Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322618.
Texto completoWong, Ford Long. "Protocols and technologies for security in pervasive computing and communications". Thesis, University of Cambridge, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611992.
Texto completoOliveira, Ricardo Jorge Figueiredo. "Novel techniques and devices for optical communications and sensing technologies". Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/23653.
Texto completoHoje em dia, a tecnologia de fibra óptica está a ser amplamente usada nas áreas de telecomunicações e sensores. Historicamente, as qualidades das fibras ópticas poliméricas (POFs) têm sido menosprezadas devido à popularidade das fibras óticas de vidro. Tal facto advém maioritariamente da sua elevada atenuação. No entanto, os materiais que compõem as POFs têm vindo a melhorar significativamente nestes últimos anos. Nesse sentido, a emergência de novas técnicas e dispositivos têm vindo a ser demonstradas/os. Considerando o campo das telecomunicações, as POFs estão a crescer rapidamente em aplicações de redes de acesso. Além disso, o advento da operação monomodo e das redes de Bragg em POF estão a ser amplamente explorados em aplicações de sensores e portanto, este tipo de tecnologia tenderá a ser uma realidade num futuro próximo. Devido à necessidade de criar uma conexão de baixa perda entre fibra óptica de vidro e polimérica, será demonstrada uma nova técnica capaz de produzir terminais de POF de alta qualidade, num processo rápido, fácil e semiautomático. A conectorização destes tipos de fibras será também analisada nesta dissertação. No seguimento desta tese serão desenvolvidos dois sistemas de gravação de redes de Bragg em POF. Num dos sistemas será usado o tradicional laser de HeCd com operação nos 325 nm, sendo que noutro será usado o laser de KrF com operação nos 248 nm. Os resultados mostrarão a capacidade de gravar redes de Bragg em POF em apenas alguns segundos, contrariamente às várias dezenas de minutos necessários com o laser de 325 nm. Com base no sucesso dos resultados, o sistema de gravação que opera nos 248 nm será usado para fabricar redes de Bragg noutros tipos de fibras, incluindo as de índice em degrau, micro-estruturadas e sem bainha. A gravação de redes de Bragg de excelente qualidade em POFs de elevada birrefringência também será apresentada. A separação entre picos de ressonância irá ser usada para estimar a birrefringência de fase, que será então comparada com a obtida por simulações numéricas e com recurso ao método de varredura de comprimento de onda. As redes de Bragg produzidas pelos métodos anteriores serão então caracterizadas à deformação, temperatura, pressão, humidade e índice de refracção. Os resultados serão comparados com a literatura e com aqueles encontrados teoricamente. Um dispositivo de interferência multimodal feito pela conexão de duas fibras ópticas monomodo de vidro a uma fibra óptica multimodo de polímero, será usado para demonstrar a medição de deformação e temperatura. As capacidades de absorção de água, oferecidas pelo material à base de polimetilmetacrilato serão usadas para medir humidade. No final desta dissertação, um sensor híbrido composto por um dispositivo de interferência multimodal, baseado em POF e contendo uma rede de Bragg, demonstrará a capacidade de medir deformação, temperatura e índice de refracção. A propriedades de baixa absorção de água por parte do material que compõe a fibra polimérica será usada para demonstrar insensibilidade à humidade por parte do sensor.
Nowadays, fiber optic technology is being widely employed in communication and sensing areas. Historically, the qualities of polymer optical fibers (POFs) have been overwhelmed by the popularity of the silica optical fibers. This has been mainly due to the POFs higher transmission loss. However, in last years, POF materials are improving their performance. Therefore, the emergence of new devices and techniques have been demonstrated. Considering the communications field, POFs are growing rapidly in fiber to the home applications. Additionally, the advent of single mode operation and fiber Bragg gratings in POFs are being widely explored in several sensing applications. Consequently, this technology will tend to be a reality in a near future. Due to the need of a low loss connection between silica and polymer optical fibers, it will be demonstrated a new technique capable to produce POF terminals of high quality in an easy, fast and semi-automated process. The connectorization of these types of fibers will be then analysed in this dissertation. The development of two Bragg grating inscription systems for POFs will also be explored in this thesis. One of the systems will employ the traditional HeCd laser operating at 325 nm, while the other will use the KrF laser operating at 248 nm. Results will show the capability to write Bragg gratings in a POF in few seconds, contrary to the several tens of minutes reported for the 325 nm radiation. Based on the success of the results, the 248 nm inscription setup will be used to inscribe Bragg gratings in other types of POFs, including step-index, microstructured, and unclad POFs. The inscription of a high quality Bragg grating in a high-birefringence POF will also be presented and the phase birefringence arising from the Bragg peak separation will be compared with the numerical simulations togheter with the wavelength scanning method. The fiber Bragg gratings produced through the previous methods will be characterized to strain temperature, pressure, humidity and refractive index. Results will be compared with literature and with the ones found theoretically. A multimode interference device made by sandwiching a multimode POF between two single mode silica fibers will be used to demonstrate the ability to measure strain and temperature. The water absorption capabilities offered by the polymethylmethacrylate material will be used to measure humidity. At the end of this dissertation, a hybrid sensor composed of a POF based multimode interference device, comprising a fiber Bragg grating, will demonstrate the capability to measure strain, temperature and refractive index. The low water absorption properties of the material that composes the POF will be used to demonstrate a POF sensor with humidity insensitiveness.
Libros sobre el tema "Communications Technologies"
Harrison, Paul. Communications technologies. Corby: Institute of Directors, 1996.
Buscar texto completoBlack, Uyless. Emerging communications technologies. Englewood Cliffs, N.J: PTR Prentice Hall, 1994.
Buscar texto completoBlack, Uyless D. Emerging communications technologies. 2a ed. Upper Saddle River, NJ: Prentice Hall, 1997.
Buscar texto completoBlack, Uyless D. Emerging communications technologies. Englewood Cliffs, N.J: PTR Prentice Hall, 1994.
Buscar texto completoMirabito, Michael M. The new communications technologies. 2a ed. Boston: Focal Press, 1994.
Buscar texto completoMirabito, Michael M. The new communications technologies. Boston: Focal Press, 1990.
Buscar texto completoLax, Stephen. Media and Communications Technologies. London: Macmillan Education UK, 2009. http://dx.doi.org/10.1007/978-1-137-07644-1.
Texto completoL, Morgenstern Barbara, ed. The new communications technologies. 3a ed. Boston: Focal Press, 1997.
Buscar texto completoCashin, Jerry. Messaging technologies for global communications. Charleston, S.C: Computer Technology Research Corp., 1998.
Buscar texto completoGlisic, Savo G. Advanced wireless communications: 4G technologies. Chichester: Wiley, 2004.
Buscar texto completoCapítulos de libros sobre el tema "Communications Technologies"
Cowley, John. "Communications Technologies". En Communications and Networking, 5–34. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4357-4_2.
Texto completoGoswami, Subrata. "Communications Technologies". En Indoor Location Technologies, 9–28. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-1377-6_2.
Texto completoSandler, Joanne y Ruby Sandhu. "2. Communications technologies". En The Tech and Tools Book, 17–40. Rugby, Warwickshire, United Kingdom: Practical Action Publishing, 1986. http://dx.doi.org/10.3362/9781780446097.002.
Texto completoLax, Stephen. "Mobile Communications". En Media and Communications Technologies, 181–97. London: Macmillan Education UK, 2009. http://dx.doi.org/10.1007/978-1-137-07644-1_8.
Texto completoDavide, Fabrizio, Pierpaolo Loreti, Massimiliano Lunghi, Giuseppe Riva y Francesco Vatalaro. "Communications through Virtual Technologies". En Advanced Lectures on Networking, 124–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-36162-6_6.
Texto completoNdemo, Bitange y Muriuki Mureithi. "Information and Communications Technologies". En Africans Investing in Africa, 177–202. London: Palgrave Macmillan UK, 2015. http://dx.doi.org/10.1057/9781137542809_11.
Texto completoIwashita, Katsushi y Nori Shibata. "Coherent transmission technologies". En Coherent Lightwave Communications Technology, 43–102. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-1308-3_3.
Texto completoPolese, Michele, Marco Giordani, Marco Mezzavilla, Sundeep Rangan y Michele Zorzi. "6G Enabling Technologies". En Computer Communications and Networks, 25–41. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72777-2_3.
Texto completoDey, Chanchal y Sunit Kumar Sen. "Open Platform Communications (OPC)". En Industrial Automation Technologies, 311–46. First edition. | Boca Raton, FL : CRC Press, 2020.: CRC Press, 2020. http://dx.doi.org/10.1201/9780429299346-8.
Texto completoHarrison, David Mark, Henri Fourdeux y Jean-Charles Point. "Advanced 40 GHz MMDS Technologies". En Broadband Wireless Communications, 306–10. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1570-0_31.
Texto completoActas de conferencias sobre el tema "Communications Technologies"
Bekkadal, Fritz y Kun Yang. "Novel maritime communications technologies". En 2010 10th Mediterranean Microwave Symposium (MMS). IEEE, 2010. http://dx.doi.org/10.1109/mmw.2010.5605161.
Texto completoBekkadal, Fritz. "Future maritime communications technologies". En OCEANS 2009-EUROPE (OCEANS). IEEE, 2009. http://dx.doi.org/10.1109/oceanse.2009.5278191.
Texto completode Santis, P. V. "Advanced Satellite Communications Technologies". En 17th European Microwave Conference, 1987. IEEE, 1987. http://dx.doi.org/10.1109/euma.1987.333697.
Texto completoTomkos, I. y J. Jue. "Photonic technologies for communications". En GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. IEEE, 2005. http://dx.doi.org/10.1109/glocom.2005.1578355.
Texto completo"Information and communications technologies". En 2017 13th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS). IEEE, 2017. http://dx.doi.org/10.1109/telsks.2017.8246308.
Texto completoBekkadal, Fritz. "Emerging maritime communications technologies". En 2009 9th International Conference on ITS Telecommunications (ITST). IEEE, 2009. http://dx.doi.org/10.1109/itst.2009.5399329.
Texto completoLi, Le, Zhaoyang Ma y Fei Zhou. "FPGA-Based Technologies Improving the Efficiency of Point to Point Communications in Safety-Related DCSs". En 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67903.
Texto completoNagatsuma, T., A. Hirata, Y. Sato, R. Yamaguchi, H. Takahashi, T. Kosugi, M. Tokumitsu, H. Sugahara, T. Furuta y H. Ito. "Sub-Terahertz Wireless Communications Technologies". En 2005 18th International Conference on Applied Electromagnetics and Communications. IEEE, 2005. http://dx.doi.org/10.1109/icecom.2005.204938.
Texto completoWu, Qun y B. K. Kim. "MEMS technologies for rf communications". En Microelectronic and MEMS Technologies, editado por Uwe F. W. Behringer y Deepak G. Uttamchandani. SPIE, 2001. http://dx.doi.org/10.1117/12.425311.
Texto completoTordi, M., G. Marchiori, S. De Lorenzi, F. Rampini, R. F. Cimmino y Matteo Spinola. "Astronomical Technologies and Satellite Communications". En 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS). IEEE, 2019. http://dx.doi.org/10.1109/comcas44984.2019.8958031.
Texto completoInformes sobre el tema "Communications Technologies"
Greer, Chris. Advanced Communications Technologies Standards. Gaithersburg, MD: National Institute of Standards and Technology, 2022. http://dx.doi.org/10.6028/nist.ir.8433.
Texto completoMoebus, Martin G. Trends in Processor, Communications, and Connection Technologies. Fort Belvoir, VA: Defense Technical Information Center, septiembre de 2001. http://dx.doi.org/10.21236/ada390489.
Texto completoItoh, Tatsuo. Low Power/Low Noise Electronics Technologies for Wireless Communications. Fort Belvoir, VA: Defense Technical Information Center, agosto de 2001. http://dx.doi.org/10.21236/ada395598.
Texto completoItoh, Tatsuo. Low Power/Low Noise Electronics Technologies for Wireless Communications. Fort Belvoir, VA: Defense Technical Information Center, enero de 2002. http://dx.doi.org/10.21236/ada406885.
Texto completoBarnett, Drew. Integrated Short Range, Low Bandwidth, Wearable Communications Networking Technologies. Fort Belvoir, VA: Defense Technical Information Center, abril de 2012. http://dx.doi.org/10.21236/ada563616.
Texto completoBresnahan, Timothy y Pai-Ling Yin. Adoption of New Information and Communications Technologies in the Workplace Today. Cambridge, MA: National Bureau of Economic Research, junio de 2016. http://dx.doi.org/10.3386/w22346.
Texto completoWebster, Tom. Trends in Energy Management Technology: BCS Integration Technologies - Open Communications Networking. Office of Scientific and Technical Information (OSTI), septiembre de 2002. http://dx.doi.org/10.2172/842955.
Texto completoGoldman, C., W. Kempton, A. Eide y M. Iyer. Impact of information and communications technologies on residental customer energy services. Office of Scientific and Technical Information (OSTI), octubre de 1996. http://dx.doi.org/10.2172/431189.
Texto completoEverett, Martin. EU–US collaboration on quantum technologies. Royal Institute of International Affairs, enero de 2021. http://dx.doi.org/10.55317/9781784134211.
Texto completoBurns, Mary Burns y Mohammad Issack Santally Santally. Information and Communications Technologies and Secondary Education in Sub-Saharan Africa: Policies, Practices, Trends and Recommendations. Toronto, Ontario Canada: Mastercard Foundation, noviembre de 2019. http://dx.doi.org/10.15868/socialsector.36828.
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