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基于多源影像的探测器月面着陆点定位与精度验证

王镓 辛鑫 万文辉 崔晓峰 荣志飞 游祎 何锡明

王镓, 辛鑫, 万文辉, 崔晓峰, 荣志飞, 游祎, 何锡明. 基于多源影像的探测器月面着陆点定位与精度验证[J]. 空间科学学报, 2021, 41(2): 320-328. doi: 10.11728/cjss2021.02.320
引用本文: 王镓, 辛鑫, 万文辉, 崔晓峰, 荣志飞, 游祎, 何锡明. 基于多源影像的探测器月面着陆点定位与精度验证[J]. 空间科学学报, 2021, 41(2): 320-328. doi: 10.11728/cjss2021.02.320
WANG Jia, XIN Xin, WAN Wenhui, CUI Xiaofeng, RONG Zhifei, YOU Yi, HE Ximing. Location and Accuracy Validation of Lunar Landing Point Based on Multi-source Imagesormalsize[J]. Journal of Space Science, 2021, 41(2): 320-328. doi: 10.11728/cjss2021.02.320
Citation: WANG Jia, XIN Xin, WAN Wenhui, CUI Xiaofeng, RONG Zhifei, YOU Yi, HE Ximing. Location and Accuracy Validation of Lunar Landing Point Based on Multi-source Imagesormalsize[J]. Journal of Space Science, 2021, 41(2): 320-328. doi: 10.11728/cjss2021.02.320

基于多源影像的探测器月面着陆点定位与精度验证

doi: 10.11728/cjss2021.02.320
基金项目: 

国家自然科学基金项目资助(41771488)

详细信息
    作者简介:

    王镓,E-mail:15210106156@139.com

    通讯作者:

    辛鑫,E-mail:xinxin@tcu.edu.cn

  • 中图分类号: V529

Location and Accuracy Validation of Lunar Landing Point Based on Multi-source Imagesormalsize

  • 摘要: 探测器月面着陆点高精度定位是探测器着陆的重要技术环节,也是地外天体探测器开展各项工作的重要前提.本文基于多源图像数据,利用图像特征匹配和多重覆盖影像定位技术,设计了探测器月面着陆点高精度定位方法,并使用嫦娥三号任务相关影像进行了定位实验与精度验证.在高精度图像匹配和几何变换的基础上,降落相机序列影像间的匹配精度达到子像素,LRO NAC影像与中分辨率降落图像的匹配精度优于1pixel,最终解算的嫦娥三号探测器着陆点坐标为(44.1196°N,19.5148°W).本文方法综合利用了多源图像数据,不完全依靠着陆区DOM底图的制图精度,是对影像与DOM底图配准定位结果的进一步精化,在未来的月球着陆探测任务中具有应用价值.

     

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出版历程
  • 收稿日期:  2019-11-18
  • 修回日期:  2020-10-20
  • 刊出日期:  2021-03-15

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