CPC G01J 3/2803 (2013.01) [G01S 7/4865 (2013.01); G01S 17/42 (2013.01); G01S 17/50 (2013.01); G01S 17/86 (2020.01); G01S 17/89 (2013.01); G01J 2003/2863 (2013.01)] | 8 Claims |
1. A multiple-return light signal detection method for a light detection and ranging (LIDAR) system, the method comprising:
receiving a multi-return signal having a plurality of peaks in a time period;
filtering the multi-return signal based, at least in part, on a pulse shape of an emitted laser beam, to produce a filtered signal;
identifying a largest peak of the filtered signal in the time period;
eliminating the largest peak from the filtered signal;
and detecting a peak hidden in a blinding spot occurring temporally after the largest peak.
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