基于贝叶斯推理的激光光斑漂移特性

朱东济; 蔡红维; 高蓉

doi:doi:10.3788/lop54.041411

激光与光电子学进展, 2017, 54 (4): 041411, 网络出版: 2017-04-19

基于贝叶斯推理的激光光斑漂移特性下载： 571次

Laser Spot Drift Characteristics Based on Bayesian Inference

论文大纲

朱东济 ^1,*蔡红维 ¹高蓉 ²

作者单位

¹ 西昌卫星发射中心, 四川西昌 615000

² 中航工业西安航空发动机(集团)有限公司, 陕西西安 710021

激光光学贝叶斯定理光斑漂移基模正态分布 laser optics Bayes theorem spot drift fundamental mode normal distribution

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摘要

针对激光光斑漂移受多种干扰因素影响，测量准确性难以估计的问题，提出了基于贝叶斯推理的光斑漂移特性分析方法。在对贝叶斯定理进行严格推导、激光基模光斑特性进行分析、测量噪声对理想光斑漂移影响分析的基础上，构建了完善的基于贝叶斯推理的光斑漂移特性数学模型，对相关参数进行了严格的推导。仿真结果和理论分析符合较好，该方法可用于评估环境(热效应、环境振动和空气扰动)因素对激光漂移的影响程度。

Abstract

Aiming at the problems that the laser spot drift is affected by many kinds of interference factors, and the measurement accuracy is difficult to estimate, the method of spot drift characteristic analysis based on Bayesian inference is put forward. On the basis of strict Bayes theorem deduction, the analysis of laser fundamental mode characteristics and the influence of measurement noise on ideal spot drift, the thorough mathematical model of the spot drift characteristics based on Bayesian inference is constructed and the parameters are determined strictly. The simulation results and the theoretical analysis are in good agreement. The method can be used to evaluate the influence of the environment, such as thermal effect, environmental vibration and air disturbance, on the laser drift.

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朱东济, 蔡红维, 高蓉. 基于贝叶斯推理的激光光斑漂移特性[J]. 激光与光电子学进展, 2017, 54(4): 041411. Zhu Dongji, Cai Hongwei, Gao Rong. Laser Spot Drift Characteristics Based on Bayesian Inference[J]. Laser & Optoelectronics Progress, 2017, 54(4): 041411.

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