Simulation of characteristics of cloud and fog echo for pluse laser fuze

WANG Feng-jie; CHEN Hui-min

doi:10.3788/OPE.20152313.0001

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Simulation of characteristics of cloud and fog echo for pluse laser fuze

更新时间：2020-08-13

- Simulation of characteristics of cloud and fog echo for pluse laser fuze
- Optics and Precision Engineering Vol. 23, Issue 10z, Pages: 1-7(2015)
- 作者机构：
  
  北京理工大学机电动态控制重点实验室北京,100081
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20152313.0001
  CLC： TJ430.68
- Received：09 June 2015，
  
  Revised：25 June 2015，
  
  Published：14 November 2015
- 稿件说明：
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王凤杰, 陈慧敏,. 脉冲激光引信云雾回波特性仿真[J]. 光学精密工程, 2015,23(10z): 1-7

WANG Feng-jie, CHEN Hui-min,. Simulation of characteristics of cloud and fog echo for pluse laser fuze[J]. Editorial Office of Optics and Precision Engineering, 2015,23(10z): 1-7
王凤杰, 陈慧敏,. 脉冲激光引信云雾回波特性仿真[J]. 光学精密工程, 2015,23(10z): 1-7 DOI： 10.3788/OPE.20152313.0001.

WANG Feng-jie, CHEN Hui-min,. Simulation of characteristics of cloud and fog echo for pluse laser fuze[J]. Editorial Office of Optics and Precision Engineering, 2015,23(10z): 1-7 DOI： 10.3788/OPE.20152313.0001.

摘要

针对脉冲激光引信易受云雾等自然环境的干扰而产生虚警的问题

研究了脉冲激光引信云雾回波特性。基于Mie散射理论

采用蒙特卡罗方法

建立了脉冲激光云雾传输模型

分别对脉冲激光引信和目标均处于云雾中以及目标处于云雾中而脉冲激光引信处于云雾外这两种情形下的云雾回波进行了仿真

获取了在引信与目标同处于云雾中而引信与目标距离为10 m

能见度分别为1

10 m时的回波信号

以及当目标处于云雾中而脉冲激光引信处于云雾外

能见度为3 m

引信与目标距离为10 m

云雾边界分别为0

9 m时的动态回波特性。分析了云雾参数和位置对云雾回波的影响

以及云雾回波和目标回波的波形差异。该研究可为脉冲激光引信的抗云雾干扰研究提供相应的理论支持。

Abstract

Pulse laser fuze is susceptible to the interference of natural environment

such as cloud and fog

and easy to produce a false alarm. Therefore

this paper researches the cloud and fog echo characteristics of the pulse laser fuze. On the basis of Mie scattering theory

a pulse laser transmission model for the cloud and fog is established by using Monte Carlo simulation. The cloud and fog echoes in two conditions are simulated. The first condition is that both pulse laser fuze and target are in the inside of cloud and fog

and the other is that the target is in the inside of cloud and fog and the pulse laser fuze in the outside. At the first condition

the echo signals are acquired when the distance between pulse laser fuze and target is 10 m and the visibility are 1

5 and 10 m

respectively. At the second condition

the dynamic echo characteristics are obtained when the distance between pulse laser fuze and target is 10 m

the visibility is 3 m and the cloud and fog boundaries are 0

7and 9 m

respectively. Moreover

it analyzes the influences of cloud and fog parameters and position

on the cloud and fog echo

and the waveform difference of cloud and fog echo and target echo. This research provides the theoretical support for the anti-interference of pulse laser fuzes.

关键词

Keywords

references

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