Antenna Beam Elevation Angle For Control Of Tropospheric Interference Between Space System Earth Terminals And Terrestrial Stations Classic Reprint

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Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations (Classic Reprint)

Author : Samuel G. Lutz
Publisher : Forgotten Books
ISBN 13 : 9780428466954
Total Pages : 22 pages
Book Rating : 4.4/5 (669 download)

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Book Synopsis Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations (Classic Reprint) by : Samuel G. Lutz

Download or read book Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations (Classic Reprint) written by Samuel G. Lutz and published by Forgotten Books. This book was released on 2018-01-10 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations High gain antennas, sensitive receivers and high power transmitters Which are used at the earth stations of space communications systems complicate the problem of sharing frequencies with other surface services. However, because of the dependence of beyond the-horizon tropospheric propagation on the scattering angle, it is possible to offset the gain of the terminal antenna by elevating the beam. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations

Author : Samuel Gross Lutz
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations by : Samuel Gross Lutz

Download or read book Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations written by Samuel Gross Lutz and published by . This book was released on 1963 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: High gain antennas, sensitive receivers and high power transmitters which are used at the earth stations of space communications systems complicate the problem of sharing frequencies with other surface services. However, because of the dependence of beyond-the-horizon tropospheric propagation on the scattering angle, it is possible to offset the gain of the terminal antenna by elevating the beam. Early studies of frequency-sharing assumed that the beam of the earth station was elevated 'sufficiently' to increase the transmission loss to that which would be obtained if the actual antenna were replaced by an isotropic antenna. This paper studies the question of what constitutes a 'sufficient' elevation angle, as described above, for the particular conditions of a smooth earth, 30-foot antenna heights and several combinations of antenna sizes. Some results are also given when there is an elevated horizon at the earth terminal end of the path.

Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations [with List of References]

Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (966 download)

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Book Synopsis Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations [with List of References] by :

Download or read book Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations [with List of References] written by and published by . This book was released on 1963 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations [with List of References]

Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (966 download)

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Book Synopsis Antenna Beam Elevation Angle for Control of Tropospheric Interference Between Space System Earth Terminals and Terrestrial Stations [with List of References] by :

Earth station antenna measurements

Author : R G. Fitzgerald
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (2 download)

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Book Synopsis Earth station antenna measurements by : R G. Fitzgerald

Download or read book Earth station antenna measurements written by R G. Fitzgerald and published by . This book was released on 1977 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Satellite Communications Systems Engineering

Author : Louis J. Ippolito, Jr.
Publisher : John Wiley & Sons
ISBN 13 : 111925938X
Total Pages : 464 pages
Book Rating : 4.1/5 (192 download)

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Book Synopsis Satellite Communications Systems Engineering by : Louis J. Ippolito, Jr.

Download or read book Satellite Communications Systems Engineering written by Louis J. Ippolito, Jr. and published by John Wiley & Sons. This book was released on 2017-02-28 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of Satellite Communications Systems Engineering (Wiley 2008) was written for those concerned with the design and performance of satellite communications systems employed in fixed point to point, broadcasting, mobile, radio navigation, data relay, computer communications, and related satellite based applications. This welcome Second Edition continues the basic premise and enhances the publication with the latest updated information and new technologies developed since the publication of the first edition. The book is based on graduate level satellite communications course material and has served as the primary text for electrical engineering Masters and Doctoral level courses in satellite communications and related areas. Introductory to advanced engineering level students in electrical, communications and wireless network courses, and electrical engineers, communications engineers, systems engineers, and wireless network engineers looking for a refresher will find this essential text invaluable.

Bulletin of the Atomic Scientists

Author :
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4./5 ( download)

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Book Synopsis Bulletin of the Atomic Scientists by :

Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1961-05 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.

Radiowave Propagation in Satellite Communications

Author : Louis J. Ippolito
Publisher : Springer Science & Business Media
ISBN 13 : 9401170274
Total Pages : 249 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Radiowave Propagation in Satellite Communications by : Louis J. Ippolito

Download or read book Radiowave Propagation in Satellite Communications written by Louis J. Ippolito and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radiowave Propagation in Communications was written with two basic objec tives: (l) to present an up-to-date review of the major radiowave propagation phenomena which hinder reliable space communications, and (2) to describe how these propagation phenomena affect the design and performance of satellite communications systems. Earth-orbiting satellites are employed extensively for the relay of information in a vast array of telecommunications, meteorological, government, and sci entific applications. Satellite systems rely on the transmission of radiowaves to and from the satellite and are dependent on the propagation characteristics of the transmission path, primarily the earth's atmosphere. Radiowave propagation thus plays a very important part in the design and ultimate performance of space communications systems. This book presents, for the first time, the meshing in a single publication of the fundamentals of radiowave propagation factors with a discussion of the practical consequences of these factors on satellite communications systems. Two major subfie1ds are involved in this book. Radiowave propagation, which is basically applied electromagnetic theory, provides the theory and an alytical tools for the first several chapters. Later chapters then apply propagation effects to the field of electrical engineering involved with satellite communi cations. The material progresses from the essential aspects of radiowave prop agation to the application of practical methods and techniques in the design and performance of satellite communications systems.

Spaceborne Antennas for Planetary Exploration

Author : William A. Imbriale
Publisher : John Wiley & Sons
ISBN 13 : 0470052775
Total Pages : 594 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Spaceborne Antennas for Planetary Exploration by : William A. Imbriale

Download or read book Spaceborne Antennas for Planetary Exploration written by William A. Imbriale and published by John Wiley & Sons. This book was released on 2006-08-04 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: JPL spacecraft antennas-from the first Explorer satellite in 1958 to current R & D Spaceborne Antennas for Planetary Exploration covers the development of Jet Propulsion Laboratory (JPL) spacecraft antennas, beginning with the first Explorer satellite in 1958 through current research and development activities aimed at future missions. Readers follow the evolution of all the new designs and technological innovations that were developed to meet the growing demands of deep space exploration. The book focuses on the radio frequency design and performance of antennas, but covers environmental and mechanical considerations as well. There is additionally a thorough treatment of all the analytical and measurement techniques used in design and performance assessment. Each chapter is written by one or more leading experts in the field of antenna technology. The presentation of the history and technology of spaceborne antennas is aided by several features: * Photographs and drawings of JPL spacecraft * Illustrations to help readers visualize concepts and designs * Tables highlighting and comparing the performance of the antennas * Bibliographies at the end of each chapter leading to a variety of primary and secondary source material This book complements Large Antennas of the Deep Space Network (Wiley 2002), which surveys the ground antennas covered in support of spacecraft. Together, these two books completely cover all JPL antenna technology, in keeping with the JPL Deep Space Communications and Navigation Series mission to capture and present the many innovations in deep space telecommunications over the past decades. This book is a fascinating and informative read for all individuals working in or interested in deep space telecommunications.

Antennas and Propagation for Wireless Communication Systems

Author : Simon R. Saunders
Publisher : John Wiley & Sons
ISBN 13 : 0470848790
Total Pages : 547 pages
Book Rating : 4.4/5 (78 download)

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Book Synopsis Antennas and Propagation for Wireless Communication Systems by : Simon R. Saunders

Download or read book Antennas and Propagation for Wireless Communication Systems written by Simon R. Saunders and published by John Wiley & Sons. This book was released on 2007-05-07 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antennas and propagation are of fundamental importance to the coverage, capacity and quality of all wireless communication systems. This book provides a solid grounding in antennas and propagation, covering terrestrial and satellite radio systems in both mobile and fixed contexts. Building on the highly successful first edition, this fully updated text features significant new material and brand new exercises and supplementary materials to support course tutors. A vital source of information for practising and aspiring wireless communication engineers as well as for students at postgraduate and senior undergraduate levels, this book provides a fundamental grounding in the principles of antennas and propagation without excessive recourse to mathematics. It also equips the reader with practical prediction techniques for the design and analysis of a very wide range of common wireless communication systems. Including: Overview of the fundamental electromagnetic principles underlying propagation and antennas. Basic concepts of antennas and their application to specific wireless systems. Propagation measurement, modelling and prediction for fixed links, macrocells, microcells, picocells and megacells Narrowband and wideband channel modelling and the effect of the channel on communication system performance. Methods that overcome and transform channel impairments to enhance performance using diversity, adaptive antennas and equalisers. Key second edition updates: New chapters on Antennas for Mobile Systems and Channel Measurements for Mobile Radio Systems. Coverage of new technologies, including MIMO antenna systems, Ultra Wideband (UWB) and the OFDM technology used in Wi-Fi and WiMax systems. Many new propagation models for macrocells, microcells and picocells. Fully revised and expanded end-of-chapter exercises. The Solutions Manual can be requested from www.wiley.com/go/saunders_antennas_2e

Deep Space Telecommunications Systems Engineering

Author : Joseph H. Yuen
Publisher : Springer Science & Business Media
ISBN 13 : 1475749236
Total Pages : 615 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Deep Space Telecommunications Systems Engineering by : Joseph H. Yuen

Download or read book Deep Space Telecommunications Systems Engineering written by Joseph H. Yuen and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: The challenge of communication in planetary exploration has been unusual. The guidance and control of spacecraft depend on reliable communication. Scientific data returned to earth are irreplaceable, or replaceable only at the cost of another mission. In deep space, communications propagation is good, relative to terrestrial communications, and there is an opportunity to press toward the mathematical limit of microwave communication. Yet the limits must be approached warily, with reliability as well as channel capacity in mind. Further, the effects of small changes in the earth's atmosphere and the interplanetary plasma have small but important effects on propagation time and hence on the measurement of distance. Advances are almost incredible. Communication capability measured in 18 bits per second at a given range rose by a factor of 10 in the 19 years from Explorer I of 1958 to Voyager of 1977. This improvement was attained through ingenious design based on the sort of penetrating analysis set forth in this book by engineers who took part in a highly detailed and amazingly successful pro gram. Careful observation and analysis have told us much about limitations on the accurate measurement of distance. It is not easy to get busy people to tell others clearly and in detail how they have solved important problems. Joseph H. Yuen and the other contribu tors to this book are to be commended for the time and care they have devoted to explicating one vital aspect of a great adventure of mankind.

Introduction to RF Propagation

Author : John S. Seybold
Publisher : John Wiley & Sons
ISBN 13 : 0471743682
Total Pages : 348 pages
Book Rating : 4.4/5 (717 download)

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Book Synopsis Introduction to RF Propagation by : John S. Seybold

Download or read book Introduction to RF Propagation written by John S. Seybold and published by John Wiley & Sons. This book was released on 2005-10-03 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to RF propagation that spans all wireless applications This book provides readers with a solid understanding of the concepts involved in the propagation of electromagnetic waves and of the commonly used modeling techniques. While many books cover RF propagation, most are geared to cellular telephone systems and, therefore, are limited in scope. This title is comprehensive-it treats the growing number of wireless applications that range well beyond the mobile telecommunications industry, including radar and satellite communications. The author's straightforward, clear style makes it easy for readers to gain the necessary background in electromagnetics, communication theory, and probability, so they can advance to propagation models for near-earth, indoor, and earth-space propagation. Critical topics that readers would otherwise have to search a number of resources to find are included: * RF safety chapter provides a concise presentation of FCC recommendations, including application examples, and prepares readers to work with real-world propagating systems * Antenna chapter provides an introduction to a wide variety of antennas and techniques for antenna analysis, including a detailed treatment of antenna polarization and axial ratio; the chapter contains a set of curves that permit readers to estimate polarization loss due to axial ratio mismatch between transmitting and receiving antennas without performing detailed calculations * Atmospheric effects chapter provides curves of typical atmospheric loss, so that expected loss can be determined easily * Rain attenuation chapter features a summary of how to apply the ITU and Crane rain models * Satellite communication chapter provides the details of earth-space propagation analysis including rain attenuation, atmospheric absorption, path length determination and noise temperature determination Examples of widely used models provide all the details and information needed to allow readers to apply the models with confidence. References, provided throughout the book, enable readers to explore particular topics in greater depth. Additionally, an accompanying Wiley ftp site provides supporting MathCad files for select figures in the book. With its emphasis on fundamentals, detailed examples, and comprehensive coverage of models and applications, this is an excellent text for upper-level undergraduate or graduate students, or for the practicing engineer who needs to develop an understanding of propagation phenomena.

Low-Noise Systems in the Deep Space Network

Author : Macgregor S. Reid
Publisher : Wiley-Blackwell
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Low-Noise Systems in the Deep Space Network by : Macgregor S. Reid

Download or read book Low-Noise Systems in the Deep Space Network written by Macgregor S. Reid and published by Wiley-Blackwell. This book was released on 2008-09-29 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book explores the low-noise microwave systems that form the front end of all DSN ground receiving stations. It explains why the front end of each antenna is key to establishing the sensivity, polarization, frequency diversity, and capabilities of the receiving chain and, therefore, the entire ground station.

Defense Against the Dark Arts in Space

Author : Todd Harrison
Publisher : Rowman & Littlefield
ISBN 13 : 1538140322
Total Pages : 53 pages
Book Rating : 4.5/5 (381 download)

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Book Synopsis Defense Against the Dark Arts in Space by : Todd Harrison

Download or read book Defense Against the Dark Arts in Space written by Todd Harrison and published by Rowman & Littlefield. This book was released on 2021-10-20 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proliferation of counterspace weapons across the globe often calls into question what can be done to best protect satellites from attack. This analysis from the CSIS Aerospace Security Project addresses different methods and technologies that can be used by the United States government, and others, to deter adversaries from attack. A wide range of active and passive defenses are available to protect space systems and the ground infrastructure they depend upon from different types of threats. This report captures a range of active and passive defenses that are theoretically possible and discusses the advantages and limitations of each. A group of technical space and national security experts supported the analysis by working through several plausible scenarios that explore a range of defenses that may be needed, concepts for employing different types of defenses, and how defensive actions in space may be perceived by others. These scenarios and the findings that resulted from subsequent conversations with experts are reported in the penultimate chapter of the report. Finally, the CSIS Aerospace Security Project team offers conclusions drawn from the analysis, actionable recommendations for policymakers, and additional research topics to be explored in future work.

Aircraft Radio Systems

Author : James Powell
Publisher : Pitman Publishing
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Aircraft Radio Systems by : James Powell

Download or read book Aircraft Radio Systems written by James Powell and published by Pitman Publishing. This book was released on 1981 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Introduction to Satellite Communication

Author : Bruce R. Elbert
Publisher : Artech House
ISBN 13 : 1596932112
Total Pages : 463 pages
Book Rating : 4.5/5 (969 download)

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Book Synopsis Introduction to Satellite Communication by : Bruce R. Elbert

Download or read book Introduction to Satellite Communication written by Bruce R. Elbert and published by Artech House. This book was released on 2008 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whether you are a technical or management professional, you can turn to this highly understandable and comprehensive overview of satellite technology, applications, and management. Thoroughly updated and expanded, this third edition boasts a wealth of new material, including added coverage of systems engineering as applied to satellite communications, clear explanations of all aspects of building and using a satellite systems, and discussions on digital communications and processing in modern satellite networks. The new edition also examines critical success factors and how to avoid the pitfalls in selecting satellite and ground resources. The book covers all the fundamentals of satellites, ground control systems, and earth stations, considering the design and operation of each major segment. You gain a practical understanding of the basic construction and usage of commercial satellite networks-how parts of a satellite system function, how various components interact, which role each component plays, and which factors are the most critical to success. Moreover, the book explores the economic, legal, and management issues involved in running the business of satellite communications.

Microwave Mobile Communications (An IEEE Press Classic Reissue)

Author : William C. Jakes
Publisher : Wiley-IEEE Press
ISBN 13 :
Total Pages : 668 pages
Book Rating : 4.X/5 (4 download)

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Book Synopsis Microwave Mobile Communications (An IEEE Press Classic Reissue) by : William C. Jakes

Download or read book Microwave Mobile Communications (An IEEE Press Classic Reissue) written by William C. Jakes and published by Wiley-IEEE Press. This book was released on 1994-05-16 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an IEEE classic reissue of the book published by John Wiley & Sons in 1974.This definitive text and reference covers all aspects of microwave mobile systems design. Encompassing ten years of advanced research in the field, it reviews basic microwave theory, explains how cellular systems work and presents useful techniques for effective systems development. Key features include: complete coverage of microwave propagation techniques to design successful cellular systems, extensive chapters covering the broad fundamentals of microwave usage in mobile radio propagation and the functions of mobile radio antennas, comprehensive treatment of modulation methods, interference, noise, layout and control of high-capacity systems, and more! The return of this classic volume should be welcomed by all those seeking an authoritative and complete source of information on this emerging technology.