影响光电侦察系统目标定位精度因素分析

马忠孝; 巩全成; 陈颖; 王惠林

doi:doi:10.5768/jao201839.0101001

应用光学, 2018, 39 (1): 1, 网络出版: 2018-03-15

影响光电侦察系统目标定位精度因素分析

Analysis and study on influence factors of target geo-locating accuracy for electro-optical reconnaissance system

论文大纲

马忠孝 ^*巩全成陈颖王惠林

作者单位

西安应用光学研究所，陕西西安 710065

摘要

以机载平台作为研究对象，通过分析光电侦察系统实现目标地理定位的原理，得出影响光电侦察系统目标地理定位精度的主要因素，即系统的位置误差、姿态误差、航向误差及侦察系统距被测目标的距离等，推导出了光电侦察系统对目标地理定位的误差模型。对目标定位精度与光电侦察系统的航向误差、姿态误差关系的分析和仿真结果表明，光电侦察系统的航向和俯仰角精度是最关键的因素，惯导系统的航向误差控制在0.02°~0.5°，姿态误差控制在0.01°~0.25°之间较为合理，最后提出了提高目标地理定位途径的建议。

Abstract

Taking the airborne platform as the research object,firstly based on analyzing the principle of the photoelectric reconnaissance system to achieve the target geo-location, the main factors affecting the target geo-location accuracy of the photoelectric reconnaissance system are obtained: the electro-optical reconnaissance system position-error, azimuth-error, attitude-error and the distance from system to target, etc. Secondly the target geo-locating error model for electro-optical reconnaissance system are educed. Analysis and emulation for the relationship among target geo-locating accuracy and azimuth-error , attitude-error indicate that azimuth-error, pitch-error of electro-optical reconnaissance system are the uppermost factors which affect the target geo-locating accuracy,and it is reasonable for the inertial navigation that the azimuth-error is oontrolled in 0.02°~0.5°,the attitude-error is controlled in 0.01°~0.25°. Finally, some suggestions to improve the target geolocation accuracy are put forward.

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马忠孝, 巩全成, 陈颖, 王惠林. 影响光电侦察系统目标定位精度因素分析[J]. 应用光学, 2018, 39(1): 1. Ma Zhongxiao, Gong Quancheng, Chen Ying, Wang Huilin. Analysis and study on influence factors of target geo-locating accuracy for electro-optical reconnaissance system[J]. Journal of Applied Optics, 2018, 39(1): 1.

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