| 用离散坐标法计算卫星遥感成像过程 |
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| 引用本文： | 李宏顺,刘伟.用离散坐标法计算卫星遥感成像过程[J].华中科技大学学报(自然科学版),2004,32(2):23-25. |
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| 作者姓名： | 李宏顺 刘伟 |
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| 作者单位： | 华中科技大学,能源与动力工程学院,湖北,武汉,430074;华中科技大学,能源与动力工程学院,湖北,武汉,430074 |
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| 摘 要： | 发展了一种既可以计算多维大气辐射，又可同时计算卫星遥感成像的新型方法，其步骤是：首先采用一个常规的离散坐标求积系列计算多维大气辐射场；然后采用DOS ISW计算投射到卫星遥感器镜头上的辐射强度，从而获得遥感器CCD相机靶面上的辐射能分布．给出了一个尝试性的计算示例．
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| 关 键 词： | 遥感 成像 辐射传输 大气辐射 |
| 文章编号： | 1671-4512(2004)02-0023-03 |
| 修稿时间： | 2003年6月2日 |
Computation of image-formation process of satellite remote sensing by using the discrete ordinates method |
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| Li Hongshun Liu WeiProf., College of Energy and Power Eng.,Huazhong Univ. of Sci. & Tech.,Wuhan ,China..Computation of image-formation process of satellite remote sensing by using the discrete ordinates method[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2004,32(2):23-25. |
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| Authors: | Li Hongshun Liu WeiProf College of Energy and Power Eng Huazhong Univ of Sci & Tech Wuhan China |
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| Institution: | Li Hongshun Liu WeiProf., College of Energy and Power Eng.,Huazhong Univ. of Sci. & Tech.,Wuhan 430074,China. |
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| Abstract: | A discrete ordinate algorithm was developed which was a ble to simultaneously compute multi-dimensional atmospheric radiation and remot e sensing image-formation. The multi-dimensional atmospheric radiation field wa s calculated by using a conventional discrete ordinate quadrature set and a spat ial difference scheme, and the radiation intensity incident on the lens of the r emote sensor was calculated by using the DOS+ISW. The present method is also abl e to simultaneously calculate image-formation processes of ground-based, air -based and space-based remote sensing. A tentative result was presented. |
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| Keywords: | remote sensing image-formation radiation transfer atmospheric radiation |
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