| 卫星图像斜方位投影正反解变换研究 |
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| 引用本文： | 丁琳,任留成,侯哲威.卫星图像斜方位投影正反解变换研究[J].测绘科学,2010,35(2):21-23. |
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| 作者姓名： | 丁琳 任留成 侯哲威 |
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| 作者单位： | 中国科学院遥感应用研究所,北京,100101;中国科学院遥感应用研究所,北京,100101;空军指挥学院,北京,100097;空军指挥学院,北京,100097;信息工程大学测绘学院,郑州,450052 |
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| 基金项目： | 国家自然科学基金，科技部科研项目，北京市科技支撑计划 |
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| 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。
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| 关 键 词： | 卫星图像 斜方位投影 正反解变换 |
The research on the direct and inverse transformation of the oblique azimuth projection of satellite images |
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| DING Lin,REN Liu-cheng,HOU Zhe-wei.The research on the direct and inverse transformation of the oblique azimuth projection of satellite images[J].Science of Surveying and Mapping,2010,35(2):21-23. |
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| Authors: | DING Lin REN Liu-cheng HOU Zhe-wei |
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| Abstract: | 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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| Keywords: | satellite image oblique azimuth projection direct and inverse transformation |
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