脉冲激光引信探测平面目标的回波特性研究

doi:10.3969/j.issn.1000-1093.2018.06.008

兵工学报 ›› 2018, Vol. 39 ›› Issue (6): 1095-1102.doi: 10.3969/j.issn.1000-1093.2018.06.008

脉冲激光引信探测平面目标的回波特性研究

陈杉杉¹，张合¹，徐孝彬²

(1.南京理工大学智能弹药技术国防重点学科实验室, 江苏南京 210094; 2.河海大学机电工程学院, 江苏常州 213022)

收稿日期:2017-08-05 修回日期:2017-08-05 上线日期:2018-07-29
作者简介:陈杉杉（1991—），男，博士研究生。E-mail: njustcss@126.com
基金资助:
武器装备预先研究项目（30107030802）

Echo Characteristic of Planar Target in Pulsed Laser Fuze Detection

CHEN Shan-shan¹， ZHANG He¹， XU Xiao-bin²

(1.Ministerial Key Laboratory of ZNDY, Nanjing University of Science and Technology, Nanjing 210094，Jiangsu, China; 2.College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213002, Jiangsu, China)

Received:2017-08-05 Revised:2017-08-05 Online:2018-07-29

摘要/Abstract

摘要： 针对脉冲激光引信在高速动态试验时测距精度低的问题，建立了平面目标的脉冲激光回波模型。基于激光雷达方程并结合实际的发射波形与光强分布，利用解析方法推导了平面的回波信号功率方程。在充分考虑目标表面特性与结构尺寸基础上，仿真分析了不同参数对回波波形与信噪比的影响。对脉冲激光引信进行了回波试验，结果表明：实际回波波形与数值计算得到的回波波形保持一致，且峰值随着入射角的增大而衰减，峰值时刻前移。研究结果可为脉冲激光引信在高速动态条件下实现高精度测距提供理论参考依据。

关键词: 脉冲激光引信, 平面目标, 回波特性, 重尾函数, 椭圆高斯分布

Abstract: A pulsed laser echo model is established for the problem of low rangefinding accuracy of pulsed laser fuze in high speed dynamic test. Based on the laser radar equation, the actual emission waveform and light intensity distribution are used to derive the power equation of echo signal by the analytic method. The influences of different parameters on the echo waveform and signal-to-noise (SNR) are analyzed in considering the surface characteristics and structure size of target. The echo experiment of pulsed laser fuze is made. The results show that the peak value decays and the peak time moves forward as incident tilt angle increases. Key

Key words: pulsedlaserfuze, planartarget, echocharacteristic, heavy-tailedfunction, ellipticGaussdistribution

中图分类号:

TJ43⁺4.2

陈杉杉，张合，徐孝彬. 脉冲激光引信探测平面目标的回波特性研究[J]. 兵工学报, 2018, 39(6): 1095-1102.

CHEN Shan-shan， ZHANG He， XU Xiao-bin. Echo Characteristic of Planar Target in Pulsed Laser Fuze Detection[J]. Acta Armamentarii, 2018, 39(6): 1095-1102.

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第39卷第6期
2018 年6月兵工学报ACTA
ARMAMENTARIIVol.39No.6Jun.2018

脉冲激光引信探测平面目标的回波特性研究

Echo Characteristic of Planar Target in Pulsed Laser Fuze Detection

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