The research and implementation of digital signal processing algorithms on pulse LIDAR

In order to increase SNR of the echo signal and improve the target detect ability of a pulse ranging LIDAR, researches on digital signal processing technology about the echo signal have been done. Based on digital filtering, pulse accumulation and correlation detection techniques, a signal processing circuit of the laser ranging radar has been designed, using DSP chip. Experimental results showed that digital signal processing technology of the LIDAR, significantly increase the echo SNR, and increase accordingly the maximum ranging distance.