KEYWORDS: Ranging, Interference (communication), Digital signal processing, Sensors, Photodetectors, Photon counting, Signal detection, Field programmable gate arrays, Signal processing, Logic
This article first introduced the basic theory of photon counting laser ranging technology, then analyzed the responding and output of single photon detector. The method of simulating signals with 0/1 sequence was raised. M sequence is a random 0/1 sequence, and signals of adjustable ‘1’ scale were derived from it, which act as models of noise. This method was realized on FPGA platform and an ideal result was gained, which verified that the method put forward in this article is practical and effective.
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