Different-orbit single-satellite time-sharing frequency measurement positioning method based on star position optimization
A positioning method and off-orbit technology, applied in measuring devices, radio wave measuring systems, using re-radiation, etc., can solve problems such as difficult positioning and reduced probability of visible satellites for target sources
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[0053] Below in conjunction with accompanying drawing technical scheme of the present invention is described in further detail, the present invention is realized on MatlabR2014b and STK 11 experimental platform, figure 1 It is a flowchart of the present invention, mainly comprising the following steps:
[0054] 1. Measure the frequency at which the signal sent by the ground radiation source reaches the observation satellite
[0055] The off-orbit single-satellite time-division frequency measurement and positioning technology is a positioning technology that uses the correspondence between the Doppler frequency shift generated by the satellite's movement relative to the radiation source and the radiation source position to calculate the position of the target.
[0056] Schematic diagram of satellite frequency measurement and positioning figure 2 As shown, for a radiation source that is stationary on the ground or in the air, the movement of the satellite will cause the carrie...
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