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The laser echo pulses of a pulse laser rangefinder are narrow, weak and low SNR (signal-to-noise ratio) signals. Digital signal processing method was presented for such signals to improve SNR. A digital signal processing circuit of a pulse laser rangefinder was designed, based on DSP (digital signal processor) and CPLD chips. The algorithms of digital filtering, pulse accumulation, target detection...
This paper proposes a digital scene simulator system for point target detecting and tracking. The hardware platform mainly consists of FPGA and DSP, which are grouped together in an efficient way. And a target detecting and tracking algorithm is proposed and implemented in the platform. Experimental results show that proposed system can simulate deep out space scene and test an algorithm that is efficient...
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