SAR图像的几何校正

详细信息

Geometric Rectification of SAR Image

Graduate School, Zhengzhou Institute of Surveying and Mapping, Middle Longhai Road 66, Zhengzhou, China, 450052

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。
- 几何校正 /
- 岭估计 /
- 数字高程模型
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.
- geometric rectification /
- ridge estimate /
- digital elevation model