Space division and time division intersatellite link rapid building method based on space-time prior link building information
An inter-satellite link and space-time technology, applied in the field of satellite network, can solve problems such as the difficulty of capturing and realizing
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[0054] The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.
[0055] The present invention is mainly applied in the space division time division multiple access inter-satellite link system, which calculates the antenna beam pointing of the satellite relative to the antenna coordinate system in the next effective measurement communication time slot according to the satellite forecast ephemeris parameters, satellite attitude, antenna installation position, etc. Time of Arrival TOA, Arrival Doppler FOA, and Arrival Azimuth DOA, to meet the three-dimensional fast search requirements of space-division time-division multiple access links in the air domain, time domain, and frequency domain. The traditional acquisition method of inter-satellite link in a certain frequency band has 12,820,240 search grid points. According to the search time of each grid point of 1ms, and 128 parallel correlation channels are...
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