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Proceedings Paper

The study of a high-precision and wide-range echo-laser simulator
Author(s): Ming Liu; Li-zhong Zhang; Li-xin Meng; Xiao-ming Li; Xiang Li; Jia-qi Zhang
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Paper Abstract

A novel realization method of a high-precision and wide-range echo-laser simulator is presented according to the detection requirement for ranging performance measurement of some fire control equipment.The simulator is designed to achieve both high resolution precision and wide dynamic range, the method of time delay combined with counter method and time to amplitude conversion method is adopted, the first stage time delay adopts the counter method which use FPGA as the core device to enlarge the simulation range, the second stage delay adopts time to amplitude conversion method which use a ramp delay circuit as the core device to improve the resolution precision of the simulation. The method can realize echo laser simulation of 0.5m high-precision with 50m-2km wide range, the detailed design of each component of the laser echo simulator is also given in this paper. The experimental results show that the echo simulation accuracy of the simulator is better than 0.5m, meeting the detection requirement of laser ranger performance test.

Paper Details

Date Published:
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Proc. SPIE LID100, LIDAR Imaging Detection and Target Recognition 2017, ; doi: 10.1117/12.2286442
Show Author Affiliations
Ming Liu, Changchun Univ of Science and Technology (China)
Li-zhong Zhang, Changchun Univ of Science and Technology (China)
Li-xin Meng, Changchun Univ of Science and Technology (China)
Xiao-ming Li, Changchun Univ of Science and Technology (China)
Xiang Li, Changchun Univ of Science and Technology (China)
Jia-qi Zhang, Changchun Univ of Science and Technology (China)


Published in SPIE Proceedings Vol. LID100:
LIDAR Imaging Detection and Target Recognition 2017

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