非实体
发表于 2025-3-23 10:50:16
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挑剔为人
发表于 2025-3-23 15:00:29
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任意
发表于 2025-3-23 20:49:55
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过份好问
发表于 2025-3-24 00:19:17
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CLOWN
发表于 2025-3-24 03:11:20
https://doi.org/10.1007/978-3-642-59727-5Routing; bridge; broadband communications; communication; satellite; signal transmission; telecommunicatio
AGONY
发表于 2025-3-24 09:57:44
Satellite Orbits, Constellations, and System ConceptsAt this point of the book we present the subject of satellite orbit mechanics to discuss some geometric relations between satellites and ground terminals. We also introduce different satellite constellations which can be used to build up regional or global satellite systems.
魔鬼在游行
发表于 2025-3-24 14:26:09
Signal TransmissionThis chapter is not intended to provide a thorough treatment of signal transmission techniques, rather we review the basic concepts of speech coding, modulation, channel coding, and packet transmission schemes as far as they are relevant for the following chapters. For more detailed information thereader is referred to the cited literature.
弹药
发表于 2025-3-24 15:47:17
Multiple AccessA radio communication terminal, satellite, or ground station cannot simultaneously receive and transmit at the same frequency; the transmit signal would heavily jam the receive signal. Therefore, some scheme for separating the forward and return link transmission must be applied.
poliosis
发表于 2025-3-24 21:25:24
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墙壁
发表于 2025-3-25 02:12:03
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