A single-site-based aircraft positioning system and method
A positioning system and aircraft technology, which is applied to satellite radio beacon positioning systems, radio wave measurement systems, instruments, etc., can solve the problems of complex system structure, direction finding error, and high cost.
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[0066] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.
[0067] The present invention is based on the aircraft positioning system of single station, refer to Figure 4 As shown, it includes: a phase measurement module 1 , an inertial gyroscope 2 , a satellite navigation and positioning system 3 , a processing module 4 and a sequential circuit 5 . The phase measurement module 1 includes: two receiving antennas 11, two radio frequency modules 12, two intermediate frequency modules 13 and a phase detector 14, and the components are connected in sequence.
[0068] The two receiving antennas form a short baseline. Taking 300MHz-2GHz frequency signal positioning as an example, the length of the short baseline can be 3.4m.
[0069] The direction of the short baseline is perpendicular to the axis of the aircraft fuselage.
[0070] During the signal positioning process, the aircraft perform...
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