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Votre recherche a retourné 15 résultats.

Antenna theory and design, 2nd edition / par Stutzman, Warren L. Publication : [S.l.] : Wiley, 1997 . 664 p. ; , Highly respected authors have reunited to update the well known 1981 edition which is still hailed as one of the best in its field. This edition includes recent antenna innovations and applications. It features a succinct treatment of the finite difference, time domain (FDTD) computational technique. It is also the first text to treat physical theory of diffraction (PTD). 26 cm. Date : 1997 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Compact and broadband microstrip antennas / par Wong, Kin-Lu. Publication : [S.l.] : John Wiley & Sons Inc, 2002 . 344 p. ; , Relié. 24 cm. Date : 2002 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Designing the mobile user experience / par Ballard, Barbara. Publication : [S.l.] : Wiley, 2007 . 260 p. ; , Gain the knowledge and tools to deliver compelling mobile phone applications. Mobile and wireless application design is complex and challenging. Selecting an application technology and designing a mobile application require an understanding of the benefits, costs, context, and restrictions of the development company, end user, target device, and industry structure. Designing the Mobile User Experience provides the experienced product development professional with an understanding of the users, technologies, devices, design principles, techniques and industry players unique to the mobile and wireless space. Barbara Ballard describes the different components affecting the user experience and principles applicable to the mobile environment, enabling the reader to choose effective technologies, platforms, and devices, plan appropriate application features, apply pervasive design patterns, and choose and apply appropriate research techniques. Designing the Mobile User Experience: Provides a comprehensive guide to the mobile user experience, offering guidance to help make appropriate product development and design decisions. Gives product development professionals the tools necessary to understand development in the mobile environment. Clarifies the components affecting the user experience and principles uniquely applicable to the mobile application field. Explores industry structure and power dynamics, providing insight into how mobile technologies and platforms become available on current and future phones. Provides user interface design patterns, design resources, and user research methods for mobile user interface design. Illustrates concepts with example photographs, explanatory tables and charts, and an example application. Designing the Mobile User Experience is an invaluable resource for information architects, user experience planners and designers, interaction designers, human factors specialists, ergonomists, product marketing specialists, and brand managers. Managers and directors within organizations entering the mobile space, advanced students, partnership managers, software architects, solution architects, development managers, graphic designers, visual designers, and interface designers will also find this to be an excellent guide to the topic. 23 cm. Date : 2007 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Distributed cooperative laboratories : networking, instrumentation, and measurements.   Publication : [S.l.] : Springer, 2006 . 548 p. ; , Distributed Cooperative Laboratories: Networking, Instrumentation, and Measurements is devoted to the investigation of the main issues related to the sustainable realization of tele-laboratories, where real and virtual instrumentation can be shared and used in a collaborative environment. This is a highly interdisciplinary topic, where various aspects converge: multimedia communications and networking, sensor networks, Grid technology, Quality of Service (QoS) provisioning and control, network management, measurement instrumentation and methodology, architecture of measurement systems. The book contains peer reviewed chapters organized into six parts: Technologies for Real-Time Interactive Multimedia Communications; Monitoring, Management and Configuration of Networks and Networking Devices; Data Acquisition and Aggregation in Sensor Networks; Grid Structures for Distributed Cooperative Laboratories; Architectures and Techniques for Tele-Measurements; and Virtual Immersive Communications and Distance Learning. Each chapter presents a self-contained treatment, within a framework that provides the reader with an up-to-date picture of the state-of-the-art and of the most recent developments of this multi-faceted topic. 24 cm. Date : 2006 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),
Microwave engineering / par Pozar, David M. Publication : [S.l.] : Wiley, 2004 . 720 p. ; , Focusing on the design of microwave circuits and components, this valuable reference offers professionals and students an introduction to the fundamental concepts necessary for real world design. The author successfully introduces Maxwell's equations, wave propagation, network analysis, and design principles as applied to modern microwave engineering. A considerable amount of material in this book is related to the design of specific microwave circuits and components, for both practical and motivational value. It also presents the analysis and logic behind these designs so that the reader can see and understand the process of applying the fundamental concepts to arrive at useful results. The derivations are well laid out and the majority of each chapter's formulas are displayed in a nice tabular format every few pages. This Third Edition offers expanded coverage with new material on: Noise; Nonlinear effects; RF MEMs; transistor power amplifiers; FET mixers; oscillator phase noise; transistor oscillators and frequency multiplier. 26 cm. Date : 2004 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (2),

Mobile ad hoc networks : energy-efficient real-time data communications / par Tavli, Bulent. Publication : [S.l.] : Springer, 2006 . 265 p. ; , A Mobile Ad Hoc Network (MANET) is an autonomous system of mobile nodes connected by wireless links to form a communication network. The challenge in the design of protocol architectures for MANETs is to provide a certain level of Quality of Service (QoS) in information transfer using the limited network resources, namely energy and bandwidth. This design goal is further constrained by the unreliable physical channel, the mobility of the nodes, and the lack of infrastructure for network coordination. To meet the QoS requirements for real-time data communication, some coordination of the channel is needed, but centralized coordination is not feasible in MANETs. Furthermore, since a MANET is a dynamic, distributed entity, the optimal control of such a system should also be dynamic and adaptive. This book presents the Time Reservation using Adaptive Control for Energy Efficiency (TRACE) family of protocol architectures that provide such dynamic coordinated channel access in a distributed manner, enabling energy-efficient, real-time data communications in MANETs. Furthermore, this book provides an introduction to the fundamentals of MANETs, an overview of protocols for each layer of the protocol stack, and a discussion of the issues involved with energy-efficient protocol design and quality of service for real-time data transmission. 25 cm. Date : 2006 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

MODAL ARRAY SIGNAL PROCESSING : PRINCIPLES AND APPLICATIONS OF ACOUSTIC WAVEFIELD DECOMPOSITION / par Teutsch, Heinz. Publication : [S.l.] : Springer, 2007 . 253 p. ; , Many applications of acoustic signal processing, such as teleconferencing and surveillance systems, require an estimate of several parameters present in the observed acoustic wavefield. The most important parameters are the number as well as the location of active acoustic sources. This book deals with the problem of detecting and localizing multiple simultaneously active wideband acoustic sources by applying the notion of wavefield decomposition using circular and spherical microphone arrays. The decomposed wavefield representation is used to serve as a basis for so-called modal array signal processing algorithms, which have the significant advantage over classical array signal processing algorithms that they inherently support multiple wideband acoustic sources. A rigorous derivation of modal array signal processing algorithms for unambiguous source detection and localization as well as performance evaluations by means of measurements using an actual real-time capable implementation are discussed. 24 cm. Date : 2007 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Orthogonal frequency division multiplexing for wireless communications.   Publication : [S.l.] : Springer, 2006 . 308 p. ; , Orthogonal Frequency Division Multiplexing for Wireless Communications is an edited volume with contributions by leading authorities in the subject of OFDM. Its coverage consists of principles, important wireless topics (e.g. Synchronization, channel estimation, etc.) and techniques. Included is information for advancing wireless communication in a multipath environment with an emphasis on implementation of OFDM in base stations. Orthogonal Frequency Division Multiplexing for Wireless Communications provides a comprehensive introduction of the theory and practice of OFDM. Chapter 1, by G. Stþber, briefly introduces the history of OFDM or multicarrier modulation and basic concepts of OFDM, Chapter 2, by Y. (G.) Li, presents design of OFDM systems for wireless communications, various impairments caused by wireless channels, and some other types of OFDM related modulation. Chapter 3 to Chapter 6 address different techniques to mitigate the impairments and to improve the performance of OFDM systems. Chapter 3, by J. Cioffi and L. Hoo, focuses on system optimization techniques, including channel partitioning, loading of parallel channels, and optimization through coding. Chapter 4, by S. Wilson and P. ḍling, addresses timing- and frequency-offset estimation in OFDM systems. It also briefly discusses sampling clock offset estimation and correction. Chapter 5, by Y. (G.) Li, deals with pilot aided and decision-directed channel estimation for OFDM systems. Chapter 6, by C. Tellambura and M. Friese, discusses various techniques to reduce the peak-to-average power ratio of OFDM signals. To facilitate the readers, extensive subject indices and references are given at the end of the book. Even though each chapter is written by different experts, symbols and notations in all chapters of the book are consistent. 24 cm. Date : 2006 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),
Ultra wideband signals and systems in communication engineering / par Ghavami, M. Publication : [S.l.] : John Wiley & Sons Ltd, 2007 . 334 p. ; , ReliØ. 26 cm. Date : 2007 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Umts signaling : umts interfaces, protocols, message flows and procedures analyzed and explained / par Kreher, Ralf. Publication : [S.l.] : Wiley, 2007 . 574 p. ; , This completely revised and updated edition of the highly successful UMTS Signaling provides a deep insight into all aspects of UMTS signalling. The chapter structure has been reworked for improved “usability” for readers, as well as including many new features and updates. The successful trial, deployment, operation and troubleshooting of 3G or UMTS infrastructures and applications is the biggest challenge facing today’s mobile communications. Network element instability, network element and multi-vendor interoperability, configuration and network planning faults are just a few of the challenges affecting performance and profitability that need to be addressed. This book is an invaluable guide to resolving such problems. Highlights of the Second Edition: Includes new information and scenarios on HSPA / HSDPA / HSUPA, and IMS Covers not only WCDMA, but also TD-SCDMA issues Contains up-to-date information on releases 5 and 6, and includes a new chapter on the future releases 7 and 8 Provides crucial information for network operators and equipment suppliers keen to understand how to handle and analyse UMTS signaling procedures in order to get the network into operation, detect errors and troubleshoot faults Uses first hand, real world information to explain issues which are unclear in the standards Includes comprehensive descriptions and documentation of UMTS reference scenarios for different UMTS procedures The unified comprehensive approach taken by the authors makes this book essential reading for engineers in network operators, integrators or system suppliers who need to be at the cutting edge of this technology. It will also be an invaluable resource for postgraduates on telecommunications courses, especially those with a focus on signal analysis. 25 cm. Date : 2007 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

WIRELESS COMMUNICATIONS : PRINCIPLES AND PRACTICE / par Rappaport, Theodore S. Publication : [S.l.] : Prentice Hall, 2002 . 736 p. ; , For cellular radio engineers and technicians. The leading book on wireless communications offers a wealth of practical information on the implementation realities of wireless communications. This book also contains up-to-date information on the major wireless communications standards from around the world. Covers every fundamental aspect of wireless communications, from cellular system design to networking, plus world-wide standards, including ETACS, GSM, and PDC. Theodore Rappaport is Series Editor for the Prentice Hall Communication, Engineering, and Emerging Technologies Series. 24 cm. Date : 2002 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

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