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Titlebook: Radiowave Propagation in Satellite Communications; Louis J. Ippolito Book 1986 Van Nostrand Reinhold Company Inc. 1986 satellite communica

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发表于 2025-3-21 17:29:43 | 显示全部楼层 |阅读模式
书目名称Radiowave Propagation in Satellite Communications
编辑Louis J. Ippolito
视频video
图书封面Titlebook: Radiowave Propagation in Satellite Communications;  Louis J. Ippolito Book 1986 Van Nostrand Reinhold Company Inc. 1986 satellite communica
描述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 theor
出版日期Book 1986
关键词satellite communication
版次1
doihttps://doi.org/10.1007/978-94-011-7027-7
isbn_softcover978-94-011-7029-1
isbn_ebook978-94-011-7027-7
copyrightVan Nostrand Reinhold Company Inc. 1986
The information of publication is updating

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Attenuation by Atmospheric Gases, expected attenuation for a radiowave link are presented. Examples are given for atmospheric attenuation at several of the frequencies of interest for space communications systems. Atmospheric gases also affect radio communications by adding atmospheric noise (i.e., radio noise) to the link. This problem is described fully in Chapter 7.
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Restoration Techniques for Overcoming Severe Attenuation,sized antennas and with RF power within allowable levels. RF power levels are most likely constrained by prime power limitations on the satellite, and by radiated power limitations on the ground fixed by international agreement.
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Introduction,applications. These 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 an important part in the design and ultimate perfor
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Fundamentals of Radiowave Propagation,enna gain, and polarization, are defined. Radiowave propagation modes and propagation mechanisms are discussed and the importance of the ionosphere and the troposphere in space communications is highlighted. Finally, the major radio-wave propagation factors in the frequency bands of interest to spac
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Attenuation by Atmospheric Gases,ission path. Signal degradation can be minor or severe, depending on frequency, temperature, pressure, and water vapor concentration. In this chapter the effects of atmospheric gases, primarily oxygen and water vapor at space communications frequencies, are discussed, and methods for calculating the
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