High Precision Echo Laser Simualtor for Perfomance Detection of Individual Soldier Fire-Control Device

Aiming at the measurement requirement of fast and accurate measuring precision for Individual Soldier Fire-control Equipment in laboratory, an echo laser simulator based on Phase Locked Loop technology is presented in this paper. The simulator adopts Positive Input Negative to receive the narrow pulse-width laser emitted by the fire-control equipment to complete the laser acquisition and photoelectric transformation. The simulator uses PLL module in FPGA to carry out 15 times frequency operation and high precision delay of electric signal. The laser radiation module uses MOSFET's switch nature to produce the narrow pulse signal, the function of the radiation module is to modulate laser and simulate the echo laser in the actual measurement. The simulation distance of the simulator is calibrated by high frequency oscilloscope. The results of multiple measurements show that the simulator has high stability and the range simulation accuracy can reach 0. 2 m, the repeatability error is ±. 015 m.