月面巡视探测器远距离单摄站定位及精度分析  

Positioning and Precision Analysis of the Lunar Rover in Long Distance Single Station

作　　者：徐辛超[1,2] 徐爱功[1] 刘少创[2] 马友青[2] 魏士俨[2] 

机构地区：[1]辽宁工程技术大学测绘与地理科学学院,辽宁阜新123000 [2]中国科学院遥感应用研究所,北京100101

出　　处：《导航定位学报》2014年第1期6-10,共5页Journal of Navigation and Positioning

基　　金：国家自然科学基金(41071298;40671160)

摘　　要：针对月面巡视探测器远离着陆器后的高精度定位需求,提出了基于单摄站全景影像的定位方法。采用已获取的空间高分辨率影像提取控制点,并在单摄站的全景影像中提取相对应的控制点,通过空间交会方法完成巡视探测器的高精度定位。实验表明:提出的方法有效的减小了影像拼接时的变形,且具有稳定的定位能力和较好的定位精度,在实验的10个摄站中平均定位精度可以达到1.141m,最大定位误差为2.571m,完全能够满足巡视探测器远距离定位指标。In demand of precise positioning of lunar rover far away from the Lander, a new positioning method is proposed based on the panoramic images of single camera station. Control points are extracted from high-resolution space images, and the corresponding control points are extracted in panoramic image of single camera station, the rover＇s high-precision positio- ning is completed by spatial intersection method. Experiments showed that： the proposed method effectively reduces the deformation of the image mosaic, and has a stable positioning capability and good positioning accuracy. The average positioning accuracy can reach 1. 141 m in 10 camera stationsof the experiment, and maximum positioning error is 2. 571 m, which can fully meet the needs of long-range positioning for the rover.

关 键 词：嫦娥三号 月面着陆器 巡视探测器 远距离定位 全景影像 

分 类 号：P236[天文地球—摄影测量与遥感]