Outer transmitter-based radar range migration compensation method based on frequency domain phase correction
An external radiation source radar and phase correction technology, which is applied in the field of external radiation source radar distance migration compensation, can solve problems such as unfavorable target detection, achieve the effect of reducing the amount of computation and improving target detection performance
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[0056] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.
[0057] A method for compensating range migration of external radiation source radar based on frequency domain phase correction, which is integrated in the signal processing module of external radiation source radar. External radiation source radar generally has two antennas. The reference antenna receives the direct wave signal, and the echo antenna receives the TV signal reflected by the target. The measured target is a civil aviation aircraft. figure 1 shown.
[0058] This embodiment uses experimental means to verify the effectiveness of the present invention.
[0059] Experimental parameters: The central TV broadcasting tower transmits a signal bandwidth of 7.56MHz, a carrier frequency of 674MHz, and a baseband sampling rate of f s = 10MHz, the detection target is a civil aircraft, its Doppler frequency f d =-483Hz.
[0060] T...
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