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Статті в журналах з теми "Communications Technologies"
Hudson, Heather. "New Communications Technologies." International Political Science Review 7, no. 3 (July 1986): 332–43. http://dx.doi.org/10.1177/019251218600700307.
Повний текст джерелаJavornik, Tomaž, Andrej Hrovat, and Aleš Švigelj. "Radio Technologies for Environment-Aware Wireless Communications." WSEAS TRANSACTIONS ON COMMUNICATIONS 21 (December 31, 2022): 250–66. http://dx.doi.org/10.37394/23204.2022.21.30.
Повний текст джерелаDose, Éric, and Pascale Desrumaux. "Technologies et communications digitales." Le Journal des psychologues 399, no. 7 (June 21, 2022): 21–25. http://dx.doi.org/10.3917/jdp.399.0021.
Повний текст джерелаLax, Stephen. "Democracy and Communications Technologies." Convergence: The International Journal of Research into New Media Technologies 4, no. 3 (September 1998): 30–37. http://dx.doi.org/10.1177/135485659800400305.
Повний текст джерелаOhta, Naohisa, Atsushi Takahara, Andrzej Jajszczyk, and Roberto Saracco. "Emerging technologies in communications." IEEE Journal on Selected Areas in Communications 31, no. 9 (September 2013): 1–5. http://dx.doi.org/10.1109/jsac.2013.sup.0513000.
Повний текст джерелаDavis, J. H., N. F. Dinn, and W. E. Falconer. "Technologies for global communications." IEEE Communications Magazine 30, no. 10 (October 1992): 35–43. http://dx.doi.org/10.1109/35.161387.
Повний текст джерелаFlanagan, J. L. "Technologies for multimedia communications." Proceedings of the IEEE 82, no. 4 (April 1994): 590–603. http://dx.doi.org/10.1109/5.282245.
Повний текст джерелаVincent, Geoff. "Convergence between communications technologies." Telecommunications Policy 17, no. 7 (September 1993): 556–57. http://dx.doi.org/10.1016/0308-5961(93)90098-n.
Повний текст джерелаCarreras-Coch, Anna, Joan Navarro, Carles Sans, and Agustín Zaballos. "Communication Technologies in Emergency Situations." Electronics 11, no. 7 (April 6, 2022): 1155. http://dx.doi.org/10.3390/electronics11071155.
Повний текст джерелаVisser, Lori. "New Technologies Create Communications Challenges." American Journal of Critical Care 20, no. 6 (November 1, 2011): 425–26. http://dx.doi.org/10.4037/ajcc2011351.
Повний текст джерелаДисертації з теми "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.
Повний текст джерелаMoss, 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.
Повний текст джерелаIzhac, Abdurrahman. "THz technologies and models for mobile communications." Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494157.
Повний текст джерелаThomas, 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.
Повний текст джерелаMarzolf, Eric. "Etude de technologies d'antennes pour les communications millimétriques." Rennes, INSA, 2002. http://www.theses.fr/2002ISAR0005.
Повний текст джерелаMohammed, Nadia. "Future of interactive technologies." Thesis, Edinburgh Napier University, 2011. http://researchrepository.napier.ac.uk/Output/4659.
Повний текст джерелаWu, Yue. "Advanced technologies for device-to-device communications underlaying cellular networks." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/15391/.
Повний текст джерелаLim, 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.
Повний текст джерелаWong, 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.
Повний текст джерелаOliveira, 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.
Повний текст джерелаHoje 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.
Книги з теми "Communications Technologies"
Harrison, Paul. Communications technologies. Corby: Institute of Directors, 1996.
Знайти повний текст джерелаBlack, Uyless. Emerging communications technologies. Englewood Cliffs, N.J: PTR Prentice Hall, 1994.
Знайти повний текст джерелаBlack, Uyless D. Emerging communications technologies. 2nd ed. Upper Saddle River, NJ: Prentice Hall, 1997.
Знайти повний текст джерелаBlack, Uyless D. Emerging communications technologies. Englewood Cliffs, N.J: PTR Prentice Hall, 1994.
Знайти повний текст джерелаMirabito, Michael M. The new communications technologies. 2nd ed. Boston: Focal Press, 1994.
Знайти повний текст джерелаMirabito, Michael M. The new communications technologies. Boston: Focal Press, 1990.
Знайти повний текст джерелаLax, Stephen. Media and Communications Technologies. London: Macmillan Education UK, 2009. http://dx.doi.org/10.1007/978-1-137-07644-1.
Повний текст джерелаL, Morgenstern Barbara, ed. The new communications technologies. 3rd ed. Boston: Focal Press, 1997.
Знайти повний текст джерелаCashin, Jerry. Messaging technologies for global communications. Charleston, S.C: Computer Technology Research Corp., 1998.
Знайти повний текст джерелаAdvanced wireless communications: 4G technologies. Chichester: Wiley, 2004.
Знайти повний текст джерелаЧастини книг з теми "Communications Technologies"
Cowley, John. "Communications Technologies." In Communications and Networking, 5–34. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4357-4_2.
Повний текст джерелаGoswami, Subrata. "Communications Technologies." In Indoor Location Technologies, 9–28. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-1377-6_2.
Повний текст джерелаSandler, Joanne, and Ruby Sandhu. "2. Communications technologies." In The Tech and Tools Book, 17–40. Rugby, Warwickshire, United Kingdom: Practical Action Publishing, 1986. http://dx.doi.org/10.3362/9781780446097.002.
Повний текст джерелаLax, Stephen. "Mobile Communications." In Media and Communications Technologies, 181–97. London: Macmillan Education UK, 2009. http://dx.doi.org/10.1007/978-1-137-07644-1_8.
Повний текст джерелаDavide, Fabrizio, Pierpaolo Loreti, Massimiliano Lunghi, Giuseppe Riva, and Francesco Vatalaro. "Communications through Virtual Technologies." In Advanced Lectures on Networking, 124–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-36162-6_6.
Повний текст джерелаNdemo, Bitange, and Muriuki Mureithi. "Information and Communications Technologies." In Africans Investing in Africa, 177–202. London: Palgrave Macmillan UK, 2015. http://dx.doi.org/10.1057/9781137542809_11.
Повний текст джерелаIwashita, Katsushi, and Nori Shibata. "Coherent transmission technologies." In Coherent Lightwave Communications Technology, 43–102. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-1308-3_3.
Повний текст джерелаPolese, Michele, Marco Giordani, Marco Mezzavilla, Sundeep Rangan, and Michele Zorzi. "6G Enabling Technologies." In Computer Communications and Networks, 25–41. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72777-2_3.
Повний текст джерелаDey, Chanchal, and Sunit Kumar Sen. "Open Platform Communications (OPC)." In Industrial Automation Technologies, 311–46. First edition. | Boca Raton, FL : CRC Press, 2020.: CRC Press, 2020. http://dx.doi.org/10.1201/9780429299346-8.
Повний текст джерелаHarrison, David Mark, Henri Fourdeux, and Jean-Charles Point. "Advanced 40 GHz MMDS Technologies." In Broadband Wireless Communications, 306–10. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1570-0_31.
Повний текст джерелаТези доповідей конференцій з теми "Communications Technologies"
Bekkadal, Fritz, and Kun Yang. "Novel maritime communications technologies." In 2010 10th Mediterranean Microwave Symposium (MMS). IEEE, 2010. http://dx.doi.org/10.1109/mmw.2010.5605161.
Повний текст джерелаBekkadal, Fritz. "Future maritime communications technologies." In OCEANS 2009-EUROPE (OCEANS). IEEE, 2009. http://dx.doi.org/10.1109/oceanse.2009.5278191.
Повний текст джерелаde Santis, P. V. "Advanced Satellite Communications Technologies." In 17th European Microwave Conference, 1987. IEEE, 1987. http://dx.doi.org/10.1109/euma.1987.333697.
Повний текст джерелаTomkos, I., and J. Jue. "Photonic technologies for communications." In GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. IEEE, 2005. http://dx.doi.org/10.1109/glocom.2005.1578355.
Повний текст джерела"Information and communications technologies." In 2017 13th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS). IEEE, 2017. http://dx.doi.org/10.1109/telsks.2017.8246308.
Повний текст джерелаBekkadal, Fritz. "Emerging maritime communications technologies." In 2009 9th International Conference on ITS Telecommunications (ITST). IEEE, 2009. http://dx.doi.org/10.1109/itst.2009.5399329.
Повний текст джерелаLi, Le, Zhaoyang Ma, and Fei Zhou. "FPGA-Based Technologies Improving the Efficiency of Point to Point Communications in Safety-Related DCSs." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67903.
Повний текст джерелаNagatsuma, T., A. Hirata, Y. Sato, R. Yamaguchi, H. Takahashi, T. Kosugi, M. Tokumitsu, H. Sugahara, T. Furuta, and H. Ito. "Sub-Terahertz Wireless Communications Technologies." In 2005 18th International Conference on Applied Electromagnetics and Communications. IEEE, 2005. http://dx.doi.org/10.1109/icecom.2005.204938.
Повний текст джерелаWu, Qun, and B. K. Kim. "MEMS technologies for rf communications." In Microelectronic and MEMS Technologies, edited by Uwe F. W. Behringer and Deepak G. Uttamchandani. SPIE, 2001. http://dx.doi.org/10.1117/12.425311.
Повний текст джерелаTordi, M., G. Marchiori, S. De Lorenzi, F. Rampini, R. F. Cimmino, and Matteo Spinola. "Astronomical Technologies and Satellite Communications." In 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS). IEEE, 2019. http://dx.doi.org/10.1109/comcas44984.2019.8958031.
Повний текст джерелаЗвіти організацій з теми "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.
Повний текст джерелаMoebus, Martin G. Trends in Processor, Communications, and Connection Technologies. Fort Belvoir, VA: Defense Technical Information Center, September 2001. http://dx.doi.org/10.21236/ada390489.
Повний текст джерелаItoh, Tatsuo. Low Power/Low Noise Electronics Technologies for Wireless Communications. Fort Belvoir, VA: Defense Technical Information Center, August 2001. http://dx.doi.org/10.21236/ada395598.
Повний текст джерелаItoh, Tatsuo. Low Power/Low Noise Electronics Technologies for Wireless Communications. Fort Belvoir, VA: Defense Technical Information Center, January 2002. http://dx.doi.org/10.21236/ada406885.
Повний текст джерелаBarnett, Drew. Integrated Short Range, Low Bandwidth, Wearable Communications Networking Technologies. Fort Belvoir, VA: Defense Technical Information Center, April 2012. http://dx.doi.org/10.21236/ada563616.
Повний текст джерелаBresnahan, Timothy, and Pai-Ling Yin. Adoption of New Information and Communications Technologies in the Workplace Today. Cambridge, MA: National Bureau of Economic Research, June 2016. http://dx.doi.org/10.3386/w22346.
Повний текст джерелаWebster, Tom. Trends in Energy Management Technology: BCS Integration Technologies - Open Communications Networking. Office of Scientific and Technical Information (OSTI), September 2002. http://dx.doi.org/10.2172/842955.
Повний текст джерелаGoldman, C., W. Kempton, A. Eide, and M. Iyer. Impact of information and communications technologies on residental customer energy services. Office of Scientific and Technical Information (OSTI), October 1996. http://dx.doi.org/10.2172/431189.
Повний текст джерелаEverett, Martin. EU–US collaboration on quantum technologies. Royal Institute of International Affairs, January 2021. http://dx.doi.org/10.55317/9781784134211.
Повний текст джерелаBurns, Mary Burns, and 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, November 2019. http://dx.doi.org/10.15868/socialsector.36828.
Повний текст джерела