Method and system for automatically tracking medium earth orbit navigational satellite through servo antenna
An automatic tracking and navigation satellite technology, which is applied in satellite radio beacon positioning system, radio wave measurement system, measurement device, etc., can solve the problem of unsuitable navigation satellite tracking, inability to directly use memory tracking, and lagging dynamic response speed of step tracking And other issues
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[0038] The application environment of this embodiment includes: an information forecasting unit for orbit forecasting and angle calculation operations, a servo control unit for adjusting the attitude of the antenna in a closed-loop feedback mode, and a turntable for driving the antenna turntable to rotate in the two axes of azimuth and pitch unit, a feed-forward large-aperture parabolic antenna for receiving target satellite signals, and a spectrum analyzer for observing the quality of received signals, wherein: the information prediction unit communicates with the servo control unit through the RS232 serial port.
[0039] The present embodiment takes the tracking of GPS satellite PRN-19 as an example, and the specific implementation steps are as follows:
[0040] Step 1: Select GPS from the global satellite navigation system (GPS / Galileo / BDS) in the display and control interface, and the information forecast unit reads the corresponding broadcast ephemeris. The parameters incl...
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