Big scene satellite constellation analog method based on microwave anechoic chamber
A technology of microwave anechoic chamber and satellite constellation, which is applied in the simulation field of satellite constellation, can solve the problems such as the inability to meet the test requirements of satellite navigation receivers and the inability to simulate and simulate the spatial position of satellites.
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[0028] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:
[0029] 1) see figure 1 , the distance l between the original turntable of the microwave anechoic chamber and the antenna system is 12 meters, and the field of view β is 42° (±21°). The space range of the simulated satellite constellation is limited. By moving the receiver under test to the direction of the area array, it can be further enhanced Large field of view, widening the space simulation range of satellite constellations. According to the formula calculation, when the carrier turntable at the receiving end under test is moved to the direction of the antenna system for a distance d of 10.4 meters, the field of view α will be expanded to 160° (±80°) , can basically achieve the constellation angle domain simulation capability of the upper half space (that is, the constellation elevation angle range is 0° to 90°).
[0030] 2) The existing radiation antenna in...
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