Study on echo time-delay estimation of pulsed laser fuze

被引：0
|
作者：
Guo, Hua-Ling [1 ,2 ]
Deng, Jia-Hao [1 ]
Sang, Hui-Ping [1 ]
Cai, Ke-Rong [1 ]
机构：
[1] National Key Laboratory for Mechatronics Engineering and Control, Beijing Institute of Technology, Beijing 100081, China
[2] National Key Laboratory for Electronic Measurement Technology, North University of China, Taiyuan 030051, China
来源：
Journal of Beijing Institute of Technology (English Edition) | 2010年 / 19卷 / 03期
关键词：
Time delay - Timing circuits - Estimation - Pulsed lasers;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Pulse laser range detector is to measure the distance by estimating the time delay between the emitting pulse and echo pulse. In this paper, a mathematical model for the target echo signal of laser fuze has been established; in accordance with this model, the formulas for echo time-delay estimation and for amplitude estimation based on least squares criterion have been deduced. It is argued and simulated that the resolution of echo time-delay estimation could be improved through multi-reference correlation approach. Experiments illustrate that the approach enables pulsed laser fuze to perform high-precision ranging under a low signal-to-noise ratio condition.
引用
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页码：264 / 267
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