Synthetic Aperture Lidar System
A technology of synthetic aperture laser and radar systems, applied in the field of synthetic aperture laser radar systems, can solve the problems of compensation, inability to greatly improve the imaging resolution, limited effect of phase error, etc., and achieve the effect of high-resolution imaging
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[0046]This embodiment discloses a synthetic aperture laser radar system, which at least includes a tunable laser module 100 arranged on a flight vehicle platform. The system also includes a feedback control module 200 , an imaging module 300 and a phase compensation module 400 . The chirp signal light generated by the tunable laser module 100 enters the target channel 120 , the common channel 130 and the reference channel 140 for outputting the detection signal light and receiving the echo beam respectively through the optical splitter 110 to generate a difference frequency signal. The feedback control module 200 generates a time-frequency signal of the frequency difference signal through the phase shifter 210 based on the frequency difference signal. The feedback control module 200 generates a phase difference value representing the linearity of the chirp signal light in real time based on the time-frequency signal. The feedback control module 200 drives the tunable laser mo...
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