基于支持向量机的激光大气传输效能评估方法

量子电子学报 ›› 2020, Vol. 37 ›› Issue (5): 547-555.

• “激光大气传输与探测”专辑 • 上一篇下一篇

基于支持向量机的激光大气传输效能评估方法

冷坤, 杨云涛, 谭哲, 龚艳春, 武文远∗

陆军工程大学基础部, 江苏南京211101

收稿日期:2020-04-26 修回日期:2020-07-02 出版日期:2020-09-28 发布日期:2020-09-28
作者简介:冷坤( 1996 - ), 江西九江人, 硕士, 助教, 主要从事光学仿真方面的研究。E-mail: lkun1023@163.com 武文远( 1963 - ), 安徽合肥人, 硕士, 教授, 主要从事激光传输与探测方面的研究。E-mail: wuwenyuan12@163.com
基金资助:
Supported by National Natural Science Foundation of China (国家自然科学基金, 11804390)

Evaluation method of laser atmospheric transmission effectiveness based on support vector machine

LENG Kun, YANG Yuntao, TAN Zhe, GONG Yanchun, WU Wenyuan∗

Basic Department, Army Engineering University, Nanjing 211101, China

Received:2020-04-26 Revised:2020-07-02 Published:2020-09-28 Online:2020-09-28

摘要/Abstract

摘要： 通过多层相位屏法, 针对海上大气环境做了大量激光传输数值仿真, 获取了2000 组激光初始参数、大气环境参数、大气光学参数与接收面处光场评价因子的仿真数据。基于支持向量机, 提出了一种激光大气传输效能评估方法。通过输入激光初始半径、激光初始功率、能见度、大气折射率结构常数等参数, 可以快速输出接收面处光斑半径、环围功率、环围功率比等光场评价因子, 实现对激光大气传输效能的评估。研究结果表明, 支持向量机能较好地拟合出输入与输出之间的多元回归关系, 预测结果与仿真数据之间的平均相对误差基本在2%以下, 预测精度较高。研究结果可为激光在大气中传输效能评估提供一定的理论依据。

关键词: 大气光学, 效能评估方法, 支持向量机, 激光传输

Abstract: Through the method of multi-layer phase screen, a large number of numerical simulations have been carried out for the laser propagation in the marine atmospheric environment, and 2000 sets of the simulation data of laser initial parameters, atmospheric environmental parameters, atmospheric optical parameters and light field evaluation factors at the receiving surface are obtained. Based on support vector machine, an evaluation method of laser atmospheric propagation efficiency is proposed. By inputting parameters such as initial laser radius, initial laser power, visibility, atmospheric refractive index structure constant and so on, light field evaluation factors such as spot radius, energy circle, and energy circle rate at the receiving surface can be quickly output to realize evaluation of laser atmospheric propagation efficiency. The research results show that the support vector machine can well fit the multiple regression relationship between the input and output, the average relative error between the prediction result and the simulation data is basically below 2%, and the prediction accuracy is high. It is believed that this work can provide a certain theoretical basis for the evaluation of the laser propagation efficiency in the atmospheric environment.

Key words: atmospheric optics, effectiveness evaluation method, support vector machine, laser propagation

中图分类号:

O432.1

冷坤, 杨云涛, 谭哲, 龚艳春, 武文远∗. 基于支持向量机的激光大气传输效能评估方法[J]. 量子电子学报, 2020, 37(5): 547-555.

LENG Kun, YANG Yuntao, TAN Zhe, GONG Yanchun, WU Wenyuan∗. Evaluation method of laser atmospheric transmission effectiveness based on support vector machine[J]. Chinese Journal of Quantum Electronics, 2020, 37(5): 547-555.

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基于支持向量机的激光大气传输效能评估方法

Evaluation method of laser atmospheric transmission effectiveness based on support vector machine

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