Описание: Periodic surfaces are assemblies of identical elements arranged in a one- or two-dimensional array. Since they have various effects on incideelectromagnetic waves, they are widely used in antennas, satellite communications, and stealth aircraft. This book provides a much-needed reference for the theory and design of this technology. Written by one of the key developers of stealth technology for the US Air Force, it examines information that has been kept secret because of its military applications.
Описание: The discipline of antenna theory has experienced vast technological changes. In response, Constantine Balanis has updated his classic text, "Antenna Theory", offering the most recent look at all the necessary topics. New material includes smart antennas and fractal antennas, along with the latest applications in wireless communications. Multimedia material on an accompanying CD presents PowerPoint viewgraphs of lecture notes, interactiveview questions, Java animations and applets, and MATLAB features. Like the previous editions, "Antenna Theory, Third Edition" meets the needs of electrical engineering and physics students at the senior undergraduate and beginning graduate levels, and those of practicing engineers as well. It is a benchmark text for mastering the latest theory in the subject, and for better understanding the technological applications.
Описание: Offers a well-rounded, mathematical approach to problems in signal interpretation using the latest time, frequency, and mixed-domain methods * Equally useful as a reference, an up-to-date review, a learning tool, and a resource for signal analysis techniques * Provides a gradual introduction to the mathematics so that the less mathematically adept reader winot be overwhelmed with instant hard analysis * Covers Hilbert spaces, complex analysis, distributions, random signals, analog Fourier transforms, and more
Описание: Developed from the author’s graduate-level courses, the first edition of this book filled the need for a comprehensive, self-contained, and hands-on treatment of radar systems analysis and design. It quickly became a bestseller and was widely adopted by many professors. The second edition built on this successful format by rearranging and updating topics and code. Reorganized, expanded, and updated, Radar Systems Analysis and Design Using MATLAB®, Third Edition continues to help graduate students and engineers understand the many issues involved in radar systems design and analysis. Each chapter includes the mathematical and analytical coverage necessary for obtaining a solid understanding of radar theory. Additionally, MATLAB functions/programs in each chapter further enhance comprehension of the theory and provide a source for establishing radar system design requirements. Incorporating feedback from professors and practicing engineers, the third edition of this bestselling text reflects the state of the art in the field and restructures the material to be more convenient for course use. It includes several new topics and many new end-of-chapter problems. This edition also takes advantage of the new features in the latest version of MATLAB. Updated MATLAB code is available for download on the book’s CRC Press web page.
Описание: Recently, wireless LAN standards have emerged in the market. Those standards operate in various frequency ranges. To reduce component count, it is of importance to design a multi-mode frequency synthesizer that serves all wireless LAN standards including 802.11a, 802.11b and 802.11g standards. With different specifications for those standards, designing integer-based phase-locked loop frequency synthesizers can not be achieved. Fractional-N frequency synthesizers offer the solution required for a common multi-mode local oscillator. Those fractional-N synthesizers are based on delta-sigma modulators which in combination with a divider yield the fractional division required for the desired frequency of interest. In CMOS Single Chip Fast Frequency Hopping Synthesizers for Wireless Multi-Gigahertz Applications, the authors outline detailed design methodology for fast frequency hopping synthesizers for RF and wireless communications applications. Great emphasis on fractional-N delta-sigma based phase locked loops from specifications, system analysis and architecture planning to circuit design and silicon implementation. The book describes an efficient design and characterization methodology that has been developed to study loop trade-offs in both open and close loop modelling techniques. This is based on a simulation platform that incorporates both behavioral models and measured/simulated sub-blocks of the chosen frequency synthesizer. The platform predicts accurately the phase noise, spurious and switching performance of the final design. Therefore excellent phase noise and spurious performance can be achieved while meeting all the specified requirements. The design methodology reduces the need for silicon re-spin enabling circuit designers to directly meet cost, performance and schedule milestones.The developed knowledge and techniques have been used in the successful design and implementation of two high speed multi-mode fractional-N frequency synthesizers for the IEEE 801.11a/b/g standards. Both synthesizer designs are described in details.
Автор: Boualem Boashash Название: Time-Frequency Signal Analysis and Processing ISBN: 0123984998 ISBN-13(EAN): 9780123984999 Издательство: Elsevier Science Рейтинг: Цена: 14108 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Time-Frequency Signal Analysis and Processing (TFSAP) is a collection of theory, techniques and algorithms used for the analysis and processing of non-stationary signals, as found in a wide range of applications including telecommunications, radar, and biomedical engineering. This book gives the university researcher and R&D engineer insights into how to use TFSAP methods to develop and implement the engineering application systems they require. . . New to this edition:. . . . New sections on Efficient and Fast Algorithms; a "Getting Started" chapter enabling readers to start using the algorithms on simulated and real examples with the TFSAP toolbox, compare the results with the ones presented in the book and then insert the algorithms in their own applications and adapt them as needed. . Two new chapters and twenty three new sections, including updated references. New topics including: efficient algorithms for optimal TFDs (with source code), the enhanced spectrogram, time-frequency modelling, more mathematical foundations, the relationships between QTFDs and Wavelet Transforms, new advanced applications such as cognitive radio, watermarking, noise reduction in the time-frequency domain, algorithms for Time-Frequency Image Processing, and Time-Frequency applications in neuroscience (new chapter). .
Описание: Linear signal spaces are of importance in signal and system theory, communication theory, and signal processing. This book proposes a time-frequency analysis of linear signal spaces that is based on two time-frequency representations called the `Wigner distribution of a linear signal space` and the `ambiguity function of a linear signal space`.
Автор: Mehrotra Amit, Sangiovanni-Vincentelli Alberto L. Название: Noise Analysis of Radio Frequency Circuits ISBN: 1402076576 ISBN-13(EAN): 9781402076572 Издательство: Springer Рейтинг: Цена: 17764 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Predicting noise in RF systems at the design stage is extremely important. This book concentrates on developing noise simulation techniques for RF circuits. The authors present a novel approach of performing noise analysis for RF circuits.
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