Scientific and Technical Aerospace Reports PDF Download
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 584
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 584
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Book Description
Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 784
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Book Description
Author: Jerry C. Whitaker
Publisher: CRC Press
ISBN: 1351836021
Category : Technology & Engineering
Languages : en
Pages : 802
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Book Description
Although it is one of the oldest sectors of electronics and now somewhat taken for granted, radio frequency transmission literally changed our world. Today, it is still the backbone of myriad applications, from broadcasting to electronic counter-measures. The wide variety of hardware in use means that those working in the field must be familiar with a multitude of principles and applications, but finding an up-to-date, comprehensive source for this background material has been difficult, if not impossible. The RF Transmission Systems Handbook addresses the underlying concepts, operation, and maintenance of high-power RF devices, transmission lines, and antennas for broadcast, scientific, and industrial use. Focusing on devices and systems that produce more than one kilowatt of output power, the handbook explores the following major topics: Applications: The common uses of radio frequency energy Fundamental principles: The basic technologies, concepts, and techniques used in RF transmission Power vacuum devices: The principles and applications of gridded vacuum tubes and microwave power devices Solid-state power devices: The operating parameters of semiconductor-based power devices RF components and transmission lines: The operation of hardware used to combine and conduct RF power Antenna systems: The different types of antennas and their basic operating parameters Troubleshooting: Basic troubleshooting techniques and the operation of important test instruments Contrary to the perceptions of many, RF technology remains a dynamic field that continues to advance to higher power levels and higher frequencies. Those who specify, install, and maintain RF equipment will welcome this reference that uniquely serves their needs.
Author: United States. Naval Air Systems Command
Publisher:
ISBN:
Category : Aeronautics, Military
Languages : en
Pages : 672
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1470
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 262
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Book Description
Author: Wolfgang Hoeg
Publisher: John Wiley & Sons
ISBN: 9780470746196
Category : Technology & Engineering
Languages : en
Pages : 452
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Book Description
Digital Audio Broadcasting revised with the latest standards and updates of all new developments The new digital broadcast system family is very different from existing conventional broadcast systems. It is standardised in a large number of documents (from ITU-R, ISO/IEC, ETSI, EBU, and others) which are often difficult to read. This book offers a comprehensive and fully updated overview of Digital Audio Broadcasting (DAB, DAB+) and Digital Multimedia Broadcasting (DMB), and related services and applications. Furthermore, the authors continue to build upon the topics of the previous editions, including audio coding, data services, receiver techniques, frequencies, and many others. There are several new sections in the book, which would be otherwise difficult to locate from various sources. Key Features: The contents have been significantly updated from the second edition, including up-to-date coverage of the latest standards Contains a new chapter on Digital Multimedia Broadcasting “Must-have” handbook for engineers, developers and other professionals in the field This book will be of interest to planning and system engineers, developers for professional and domestic equipment manufacturers, service providers, postgraduate students and lecturers in communications technology. Broadcasting engineers in related fields will also find this book insightful.
Author: Richard J. Cameron
Publisher: John Wiley & Sons
ISBN: 1119292387
Category : Technology & Engineering
Languages : en
Pages : 1394
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Book Description
An in-depth look at the state-of-the-art in microwave filter design, implementation, and optimization Thoroughly revised and expanded, this second edition of the popular reference addresses the many important advances that have taken place in the field since the publication of the first edition and includes new chapters on Multiband Filters, Tunable Filters and a chapter devoted to Practical Considerations and Examples. One of the chief constraints in the evolution of wireless communication systems is the scarcity of the available frequency spectrum, thus making frequency spectrum a primary resource to be judiciously shared and optimally utilized. This fundamental limitation, along with atmospheric conditions and interference have long been drivers of intense research and development in the fields of signal processing and filter networks, the two technologies that govern the information capacity of a given frequency spectrum. Written by distinguished experts with a combined century of industrial and academic experience in the field, Microwave Filters for Communication Systems: Provides a coherent, accessible description of system requirements and constraints for microwave filters Covers fundamental considerations in the theory and design of microwave filters and the use of EM techniques to analyze and optimize filter structures Chapters on Multiband Filters and Tunable Filters address the new markets emerging for wireless communication systems and flexible satellite payloads and A chapter devoted to real-world examples and exercises that allow readers to test and fine-tune their grasp of the material covered in various chapters, in effect it provides the roadmap to develop a software laboratory, to analyze, design, and perform system level tradeoffs including EM based tolerance and sensitivity analysis for microwave filters and multiplexers for practical applications. Microwave Filters for Communication Systems provides students and practitioners alike with a solid grounding in the theoretical underpinnings of practical microwave filter and its physical realization using state-of-the-art EM-based techniques.
Author: A. Bruce Carlson
Publisher: McGraw-Hill Higher Education
ISBN: 0077417224
Category : Digital communications
Languages : en
Pages : 946
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Book Description
This revision of Communication Systems, a classic text in the communications field, presents an introduction to electrical communication systems including analysis methods design principles and hardware considerations. The fifth edition has been updated to reflect current technology covering both analog and digital communication in this ever-evolving field. Conceptual/descriptive/thought questions have been added throughout the book as well as MATLAB questions and lecture Powerpoint.
Author: Savo G. Glisic
Publisher: Springer Science & Business Media
ISBN: 147572604X
Category : Technology & Engineering
Languages : en
Pages : 535
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Book Description
In Time Division Multiple Access (TDMA), within a given time frame a particular user is allowed to transmit within a given time slot. This technique is used in most of the second-generation digital mobile communication systems. In Europe the system is known as GSM, in USA as DAMPS and in Japan as MPT. In Code Division Multiple Access (CDMA) every user is using a distinct code so that it can occupy the same frequency bandwidth at the same time with other users and still can be separated on the basis of low correlation between the codes. These systems like IS-95 in the USA are also developed and standardized within the second generation of the mobile communication systems. CDMA systems within a cellular network can provide higher capacity and for this reason they become more and more attractive. At this moment it seems that both TDMA and CDMA remain viable candidates for application in future systems. Wireless Communications: TDMA versus CDMA provides enough information for correct understanding of the arguments in favour of one or other multiple access technique. The final decision about which of the two techniques should be employed will depend not only on technical arguments but also on the amount of new investments needed and compatibility with previous systems and their infrastructures. Wireless Communications: TDMA versus CDMA comprises a collection of specially written contributions from the most prominent specialists in wireless communications in the world today and presents the major, up to date, issues in this field. The material is grouped into four chapters: Communication theory, covering coding and modulation, Wireless communications, Antenna & Propagation and Advanced Systems & Technology. The book describes clearly the issues and presents the information in such a way that informed decisions about third generation wireless systems can be taken. It is essential reading for all researchers, engineers and managers working in the field of Wireless Communications.
