机载光电测量设备目标自主定位误差分析  

Error analysis of target automatic positioning for airborne photo-electri measuring device

作　　者：檀立刚 戴明[1] 刘晶红[1] 宋悦铭[1] 

机构地区：[1]中国科学院长春光与精密机械与物理研究所,吉林长春130033 [2]中国科学院研究生院,北京100039

出　　处：《光学精密工程》2013年第12期3133-3140,共8页Optics and Precision Engineering

基　　金：国家重点基金资助项目(No.2008AA121803);国家973重点基础研究发展计划资助项目(No.2009CB72400607)

摘　　要：为了提高机载光电测量设备定位精度,搭建了机载光电测量设备目标自主定位系统。利用齐次坐标转换的方法,构建了机载测量系统跟踪目标时的目标定位方程和定位误差方程,并利用蒙特卡洛法分析目标自主定位误差。引入小波分析理论对定位误差进行优化以提高目标自主定位精度。对实验数据和飞行实测数据进行了分析,结果显示,采用小波分析理论优化目标自主定位误差可以大幅提高目标自主定位精度,提高幅度达到70%,得到的结果验证了目标自主定位技术的可行性和优越性。文中的分析方法和内容同样也适用于地面跟踪测量平台和舰载跟踪测量设备。To improve the accuracy of a photo-electric measuring device,an automatic positioning system for airborne photo-electric reconnaissance equipment was established.Firstly,the positioning equation and error equation of the target automatic positioning technology were constructed based on homogeneous coordinate conversion,and the Monte Carlo analysis method was used to analyze the error of the target automatic positioning technology.Then,the wavelet analysis theory was brought to optimize the positioning error to improve the position accuracy.By analyzing experimental data and flight test data,it shows that optimizing the target automatic positioning technology by wavelet analysis the ory can substantially improve the target automatic positioning precision by 70％.These results verify the feasibility and superiority of the target automatic positioning technology.The analysis method is also applies to surface tracking and measuring platforms and the ship-based tracking and measuring equipment.

关 键 词：机载光电测量设备 目标自主定位 坐标转换 误差分析 小波分析 

分 类 号：V443.5[航空宇航科学与技术—飞行器设计]