Low earth orbit satellite smart antenna receiving system and method
A technology of a smart antenna and a receiving system, applied in the field of satellite communications, can solve the problems of difficult handover management, weak on-orbit autonomous reconstruction capability of multi-beam patterns, etc., and achieve the effects of high gain and strong airspace adaptive interference suppression capability.
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[0057] Aiming at a low-orbit satellite communication system / load of a limited number of simultaneous burst users, the present invention provides an uplink for a satellite-borne spread spectrum communication system, using a null anti-interference digital multi-beam forming technology and multi-target angle estimation Technology, simultaneously forming the ground equal flux-shaped acquisition multi-beam and high-gain tracking multi-beam, and automatically adjust the tracking beam pointing angle and capture and track the beam pattern null position of the low-orbit communication system / load adaptive resistance Interference with multi-beam smart antenna receiving system.
[0058] The orbital height of low-orbit communication satellites is generally between 750km and 1800km. The installation position of the smart antenna using digital beamforming technology is facing the earth, and the geometric relationship between the satellite and the earth is shown in Figure 1(a)....
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