Telecommunications Technology & Applications Series – serie
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11 produkter
11 produkter
Inbunden, Engelska, 1997
2 694 kr
Skickas inom 10-15 vardagar
Focusing on the subscriber loop rather than the entire network, this text is aimed at design engineers and engineering managers. It details the operation, standards and technology of the ISDN subscriber loop, with particular emphasis on basic rate ISDN and discussion of primary rate ISDN. The book describes how hardware functions are implemented with available integrated circuits, and what the software requirements are to access the network and its services. Information on existing networks and technologies is included to provide a basis for explaining and comparing the operation of the ISDN, as it is an evolution of existing analog networks. Future trends in subscriber access technology, including HDSL/ADSL and ATM techniques, are reviewed. This work should be of interest to engineers in Telecommunications.
Häftad, Engelska, 1994
544 kr
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The recent development of narrow spectrum width semiconductor laser and planar optical waveguide devices offers us the possibility of a new generation of lightwave based communication systems. This book covers the range of technical issues relating to lightwave technologies using high coherence lightwaves, emphasising the system aspects of the new generation lightwave communication technologies such as optical frequency division multiplexing and coherent detection. Dr Shimada has led the NTT group for advanced lightwave technology since 1987, having been a leading researcher in optical communications with NTT since 1975. All the contributors to this volume are members of NTT's world leading optical communications research group. This book should be of interest to engineers and researchers in telecommunications and optoelectronics.
Häftad, Engelska, 1995
1 619 kr
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This handbook is designed to be a ready guide to the converging technologies of information technology, telecommunications, broadcasting and multimedia production. Users of the information superhighway should find this a useful guide. Unlike conventional dictionaries, the definitions are not prescriptive, and many variations in common usage are included to help readers thread their way through the confusion of acronyms and jargon in the current telecoms and computer literature. It assumes some knowledge of computing and a very basic understanding of telecommunications. It should be of interest to managers and professional users of telecommunications/IT.
Inbunden, Engelska, 1996
1 667 kr
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This text provides an overview of the state of knowledge in the area of safety of mobile communications, and also summarizes current activities. The underlying objective is to provide the information for preliminary risk assessments and for determining the required research for a more substantial risk assessment. With respect to the more general audience, the book covers all aspects of the problem. All the chapters should be informative for non-specialists and yet valuable for specialists as well.
Inbunden, Engelska, 1999
2 156 kr
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This text provides a comprehensive coverage of the design and modelling of the devices and systems required for optical communication networks. It should be a useful reference text for those engineers implementing and designing such networks and deals with modelling and simulation of optical links at the levels both of devices and of systems. Simulation experiments and results are included, as are details of devices under development in research laboratories. Optical and telecommuntications scientists working in research, and development and design engineers working in the field should find this text to be a useful resource.
Inbunden, Engelska, 2001
1 619 kr
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Data-Driven Techniques in Speech Synthesis gives a first review of this new field. All areas of speech synthesis from text are covered, including text analysis, letter-to-sound conversion, prosodic marking and extraction of parameters to drive synthesis hardware. Fuelled by cheap computer processing and memory, the fields of machine learning in particular and artificial intelligence in general are increasingly exploiting approaches in which large databases act as implicit knowledge sources, rather than explicit rules manually written by experts. Speech synthesis is one application area where the new approach is proving powerfully effective, the reliance upon fragile specialist knowledge having hindered its development in the past. This book provides the first review of the new topic, with contributions from leading international experts. Data-Driven Techniques in Speech Synthesis is at the leading edge of current research, written by well respected experts in the field. The text is concise and accessible, and guides the reader through the new technology. The book will primarily appeal to research engineers and scientists working in the area of speech synthesis.However, it will also be of interest to speech scientists and phoneticians as well as managers and project leaders in the telecommunications industry who need an appreciation of the capabilities and potential of modern speech synthesis technology.
Inbunden, Engelska, 1998
1 619 kr
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Covering telecommunications access networks this text puts the emphasis on broadband services, technologies and strategies for developing the existing telecommunications access network towards a full services access network. Techno-economic analyses of case studies on the broad band roll-out expected to take place in the near future are presented. The volume provides a support for establishing guidelines for strategic decisions regarding the development of the access network alternatives of different network operators, including incumbent telecommunication and cable operators and second operators starting from a green field situation. The book is divided into three main sections. The first supplies a general introduction to the evolution of the access network before presenting a comprehensive Delphi survey on emerging services and applications performed by the TITAN project. A description of both the methodology and forecast results are included. The second section concentrates on the methodology and tools developed in the TITAN project in order to assess future introduction scenarios for broadband services and networks.These include the general modelling framework, geometric models for the calculation of the overall cable length of the network, evolution of component costs, sensitivity analysis, risk assessment and the general structure of the TITAN tool. The final section deals with results from applications of the methodology and the tool. Results from ten studies are presented and comparisons made.
Häftad, Engelska, 2010
1 619 kr
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Data-Driven Techniques in Speech Synthesis gives a first review of this new field. All areas of speech synthesis from text are covered, including text analysis, letter-to-sound conversion, prosodic marking and extraction of parameters to drive synthesis hardware. Fuelled by cheap computer processing and memory, the fields of machine learning in particular and artificial intelligence in general are increasingly exploiting approaches in which large databases act as implicit knowledge sources, rather than explicit rules manually written by experts. Speech synthesis is one application area where the new approach is proving powerfully effective, the reliance upon fragile specialist knowledge having hindered its development in the past. This book provides the first review of the new topic, with contributions from leading international experts. Data-Driven Techniques in Speech Synthesis is at the leading edge of current research, written by well respected experts in the field. The text is concise and accessible, and guides the reader through the new technology. The book will primarily appeal to research engineers and scientists working in the area of speech synthesis. However, it will also be of interest to speech scientists and phoneticians as well as managers and project leaders in the telecommunications industry who need an appreciation of the capabilities and potential of modern speech synthesis technology.
Häftad, Engelska, 2013
1 667 kr
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Recently, there has been interest by regulators, the public and the manufacturers of wireless devices in the issues relating to the safety of radio frequency (RF) energy. These issues require an understanding of the scientific underpinnings of both physics of RF energy and cellular biology. This book is designed to provide precisely such cross-functional expertise. The editors of this book intend to provide a reliable source for a sound scientific understanding of the issues and to stimulate future scientific advances in this area. Therefore, the audience for this book includes such diverse groups as scientists, governmental policy-makers and regulatory bodies, representatives of industry and the public at large.
Häftad, Engelska, 2012
2 156 kr
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High Speed Optical Communications provides a comprehensive coverage of the design and modelling of the devices and systems required for optical communication networks. It will prove to be the essential reference text for those engineers implementing and designing such networks and is one of the few works dealing with modelling and simulation of optical links at the levels both of devices and of systems. Simulation experiments and results are included, as are details of devices currently under development in research laboratories. Covers both the technical details of optical devices and their behaviour in complex systems; Includes results of applications experiments. Optical and telecommuntications scientists working in research and development and design engineers working in the field will find this text to be an indispensable resource.
Häftad, Engelska, 2012
1 619 kr
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The access network is expected to be one of the major battlegrounds of telecommunications network operators, since upgrades of the existing narrowband access network will be the critical factor in supplying multimedia broadband services in a competitive market. The future broadband access network architecture needs to be flexible enough to efficiently support the provision of a full set of broadband and narrowband services with a wide range of capacity demands. A wide range of broadband access technologies are available. Furthermore, the key issues in the upgrading of the very cost sensitive access network are financial as well as technological, both for incumbent and new entrant operators. Thus, in order to identify minimum-risk introductory strategies the economic viability of access network broadband upgrades needs to be carefully assessed. However, despite the definite need for techno-economic evaluations, very few books have been published in this field. One of the reasons might be that broadband access network upgrading only very recently gained wide recognition as a key challenge for broadband delivery. Secondly, this kind of strategic work and these studies tend to be considered rather sensitive by operators, and thus both results and methodologies are not usually readily available. Thirdly, the work reported in this book in many respects was a major pioneering effort, which quite ambitiously aimed at modelling the whole life-cycle costs and revenue streams of access network upgrades, as opposed to several other efforts, which often are limited to pure investment cost comparisons.