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卫星图像斜方位投影正反解变换研究
  • 期刊名称:丁琳,任留成,侯哲威,卫星图像斜方位投影正反解变换研究, 测绘科学.2010年, 第2期,已录用
  • 时间:0
  • 分类:TP751[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置]
  • 作者机构:[1]中国科学院遥感应用研究所,北京100101, [2]空军指挥学院,北京100097, [3]信息工程大学测绘学院,郑州450052
  • 相关基金:国家自然科学基金(编号:40771140);国家重点基础研究发展规划项目(2007CB714406);北京市科技支撑计划(2007BAH15801)
  • 相关项目:高空间分辨率遥感影像信息提取的最佳尺度定量化研究
中文摘要:

本文针对卫星动态获取的遥感图像,探讨其空间斜方位投影问题。利用空间几何理论建立其斜方位投影的数学模型,得到了该投影的精确表达式。并且利用矢量解法研究该投影模型的正解和反解变换算法以及星下点坐标计算方法,最后给出了算例。根据算例的结果分析表明,该投影的正反解变换均达到较高的精度。

英文摘要:

The research of space projection of satellite image is a hot topic for cartographers. In this paper, the space oblique azimuth projection of satellite images which were taken dynamically, was discussed. The mathematic model of oblique azimuth projection was established and the precise formula of this projection was also obtained by space geometric principle. The direct and inverse transformation arithmetic of this projection was researched, and the arithmetic of the sub-satellite coordinates was also designed according to vector method. Some computational cases were given finally. From the analysis of computation result, it indicated that the direct and inverse transformation of this projection had very high precision.

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