大气与环境光学学报, 2014, 9 (2): 149, 网络出版: 2014-03-31   

基于地面人工标志的卫星在轨几何定标方法研究

Research of Satellite On-Orbit Geometric Calibration Method Based on Artificial Signs
作者单位
1 中国科学院安徽光学精密机械研究所 中国科学院通用光学定标与表征技术重点实验室, 安徽 合肥 230031
2 国家测绘地理信息局卫星测绘应用中心, 北京 100039
摘要
高分辨遥感卫星影像像点量测精度对卫星在轨几何检校具有重要意义。为了提高“资源三号”卫星影像像 点量测精度,设计了四种可移动式高低反射率地面人工标志。利用在轨试验验证和多种像点量测方法,确定 了方形十字对顶角标志能够兼顾到标志的最小尺寸与最佳图案的设计要求。该标志具有良好的光学特性 和理化特性,对野外环境有很强的适应性。在轨试验结果表明,这种标志可以应用于当前高分辨、三线阵 相机影像的像点量测,满足“资源三号”卫星在轨几何检校对预定的0.15像素量测精度的要求。
Abstract
The measurement accuracy of the remote sensing satellite image points is of great significance for on-orbit geometric calibration of the satellite. To improve the measurement accuracy of ZY-3 satellite image points, four kinds of removable artificial signs with high and low reflectivity are designed. By the on-orbit test validation and a variety of measurement methods of the image points, the cross vertical angles sign is able to meet the design requirements of the minimum size and the best pattern is validated. The sign has good optical properties, physicochemical characteristics, and strong adaptability to the wild environment. The on-orbit test result indicates that this kinds of sign can be applied to the measurement of the current high-resolution, three-line array camera image points, and available to the predetermined 0.15 pixel measurement accuracy requirement of ZY-3 satellite on-orbit geometric calibration.
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司孝龙, 张黎明, 付兴科, 祝小勇, 李鑫, 窦显辉, 杨宝云, 王戟翔. 基于地面人工标志的卫星在轨几何定标方法研究[J]. 大气与环境光学学报, 2014, 9(2): 149. SI Xiao-long, ZHANG Li-ming, FU Xing-ke, ZHU Xiao-yong, Li Xin, DOU Xian-hui, YANG Bao-yun, WANG Ji-xiang. Research of Satellite On-Orbit Geometric Calibration Method Based on Artificial Signs[J]. Journal of Atmospheric and Environmental Optics, 2014, 9(2): 149.

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