In the paper the methods to process weak echo by using DSP technology based on low SNR of laser weak echo are presented.And the methods are simulated and calculated.
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张海武; 李松山; 耿林.低信噪比激光弱小回波信号的数字化检测和仿真[J].激光与红外,2007,37(3):211~213 ZHANG Hai-wu; LI Song-shan; GENG Lin. Digital Signal Detection and Simulating of Laser Weak Echo Based on Low SNR[J]. LASER & INFRARED,2007,37(3):211~213