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“资源三号”卫星在轨几何定标及精度评估 被引量:75

On-orbit Geometric Calibration and Accuracy Assessment of ZY-3
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摘要 "资源三号"卫星是中国第一颗民用三线阵立体测图卫星,实现了中国民用高分辨率测绘卫星领域零的突破,对中国测绘事业的发展具有革命性意义,是中国卫星测绘发展史上一座新的里程碑。在轨几何定标是测绘卫星应用的一个重要环节,文章利用武汉大学在河南嵩山地区建设的几何定标场等基础设施实现了"资源三号"卫星的在轨几何定标,并对定标结果进行了试验验证。试验结果表明:基于高精度几何定标场几何定标后,"资源三号"卫星可以获得很好的无地面控制精度以及少量控制下的平面和高程精度,完全可以满足1︰50 000测图精度要求。 ZY-3 satellite, as the China's first civil three-line array stereo mapping satellite,realizes the breakthrough of our China's civil high-resolution mapping satellite,is of revolutionary significance for the development of our China's surveying and mapping cause, and is a new milestone in the history of China's space and remote sensing. On-orbit geometric calibration is the key step for surveying and mapping satellite, this article finishes on-orbit geometric calibration for ZY-3 using the Songshan calibration test site established by Wuhan University,and then experiments are carried out for verifying the calibration results. The experimental results show that via on-orbit geometric calibration,ZY-3 can achieve high positioning accuracy without ground control and high plane accuracy and height accuracy with only sparse ground control, and meet the requirement of the accuracy of 1:50 000 mapping.
作者 李德仁 王密
出处 《航天返回与遥感》 2012年第3期1-6,共6页 Spacecraft Recovery & Remote Sensing
基金 国家973计划(2012CB719902) 国家863计划重点项目(2011AA120203) 新世纪优秀人才支持计划资助
关键词 在轨几何定标 定标场 无控定位精度 “资源三号”卫星 on-orbit geometric calibration calibration test site positioning accuracy without groundcontrol ZY-3 satellite
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二级引证文献424

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