Radar Interference Recognition Signal Processing System
A technology for identifying signal and radar interference, applied to radio wave measurement systems, instruments, etc., can solve problems such as difficult to identify real targets, achieve good anti-jamming performance, enhance anti-jamming ability, and be easy to implement
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[0023] refer to figure 1 . In the embodiment described below, a radar interference identification signal processing system includes: receiving antenna A, receiving antenna B, frequency modulation continuous wave FMCW radar radio frequency circuit and FMCW radar signal processing circuit, characterized in that: in the above signal processing circuit , the waveform generator sends the generated modulation signal to the voltage-controlled oscillator to modulate to the microwave frequency band, and the output frequency is f r The signal is divided into two channels, and one channel is amplified by M times of frequency multiplication through the frequency multiplication amplifier circuit A to M×f r A part of the frequency signal is transmitted through the transmitting antenna A, and part of it is input into the down-conversion circuit A as the local oscillator signal of the down-conversion circuit A; the frequency received by the receiving antenna A is M×f r +M×f b +M×f d After...
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