| SAR图像的几何校正 |
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| 引用本文： | 范永弘. SAR图像的几何校正[J]. 武汉大学学报 ( 信息科学版), 1997, 22(1): 39-41. |
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| 作者姓名： | 范永弘 |
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| 作者单位： | 郑州测绘学院研究生队, 郑州市陇海中路66号, 450052 |
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| 摘 要： | 采用Konecny等提出的合成孔径雷达(SAR)的构像几何模型并结合数字高程模型(DEM)进行了SAR图像的几何校正,取得了较好的效果。此外,在定向元素的解算中引入了岭估计,较好地克服了由外方位元素间的强相关引起的方程病态。
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| 关 键 词： | 几何校正 岭估计 数字高程模型 |
| 收稿时间： | 1996-07-22 |
Geometric Rectification of SAR Image |
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| Fan Yonghong. Geometric Rectification of SAR Image[J]. Geomatics and Information Science of Wuhan University, 1997, 22(1): 39-41. |
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| Authors: | Fan Yonghong |
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| Affiliation: | Graduate School, Zhengzhou Institute of Surveying and Mapping, Middle Longhai Road 66, Zhengzhou, China, 450052 |
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| Abstract: | In this paper,the mathematical model of SAR image,which is provided by Konecny,is used to finish the geometric rectification and a satisfactory result is achieved.Further more,the ridge estimate is used to resolve the orientation parameters.It can reduce the correlation and the disadvantages in previous methods. |
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| Keywords: | geometric rectification ridge estimate digital elevation model |
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