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Titlebook: Deep Space Telecommunications Systems Engineering; Joseph H. Yuen Book 1983 Springer Science+Business Media New York 1983 Modulation.commu

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書目名稱Deep Space Telecommunications Systems Engineering
編輯Joseph H. Yuen
視頻videohttp://file.papertrans.cn/265/264673/264673.mp4
叢書名稱Applications of Communications Theory
圖書封面Titlebook: Deep Space Telecommunications Systems Engineering;  Joseph H. Yuen Book 1983 Springer Science+Business Media New York 1983 Modulation.commu
描述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
出版日期Book 1983
關(guān)鍵詞Modulation; communication; design; microwave; radio; receiver; software; telecommunications
版次1
doihttps://doi.org/10.1007/978-1-4757-4923-6
isbn_softcover978-1-4757-4925-0
isbn_ebook978-1-4757-4923-6
copyrightSpringer Science+Business Media New York 1983
The information of publication is updating

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Certification Study Companion Series modulation technique and the energy-per-bit-to-noise-spectral-density ratio. Whereas the latter factor is a well-defined quantity, the former can be defined in many ways [2–1]. Regardless of the definition, however, the required transmission bandwidth is directly related to the . (PSD) of the signa
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Quality Design for New Product Introductionview of the Multimission Command (MMC) System. The major components within the MMC System are discussed, with the emphasis on the telecommunication-related implementations. Two versions of the spacecraft command detection system — the Viking heritage command detector and the NASA standard command de
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Engineering Sampling Standards and Planstry. It is the radio and the signal processing equipment residing in the spacecraft that interfaces with the Control & Data Subsystem and performs two-way communications with the earth-based Deep Space Network. The RFS consists of all the elements for RF reception, demodulation, modulation, and tran
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https://doi.org/10.1007/978-3-030-68402-0iption of weather effects. The measured effects of weather, namely atmospheric attenuation and increase in ground receiver system noise temperature, are additive (in decibels). The combined probability density function is therefore the convolution of the separate density functions.
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https://doi.org/10.1007/978-1-4020-8383-9freedom from interference. Radio frequencies for deep-space research may be chosen from bands that are allocated for that purpose. The choice of particular frequencies within those bands is guided mostly by the need to avoid interference between deep-space missions. Interference may also result from
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