基于DEM的SAR影像几何定位参数校正方法
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杨书成, 黄国满, 程春泉
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Correction Method of SAR Image Geometric Positioning Parameters based on DEM
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Shucheng YANG, Guoman HUANG, Chunquan CHENG
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| 表1 S1影像参数校正后前几何定位误差 |
| Tab. 1 Geolocation error of S1 image before and after parameters correction |
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| 点号 | 参数校正前 | | 参数校正后 | 东方向
误差/m | 北方向
误差/m | 东方向
误差/m | 北方向
误差/m | | 1 | 59.8 | -26.6 | | -3.3 | -3.0 | | 2 | 72.6 | -13.9 | 11.1 | 9.9 | | 3 | 67.0 | -7.9 | 6.4 | 16.1 | | 4 | 57.2 | -24.5 | -3.6 | -0.5 | | 5 | 60.5 | -32.0 | -2.3 | -8.3 | | 6 | 60.0 | -16.5 | -1.7 | 7.3 | | 7 | 56.3 | -21.4 | -4.2 | 2.6 | | 8 | 57.5 | -32.9 | -5.6 | -9.2 | | 9 | 70.4 | -20.1 | 8.8 | 3.7 | | 10 | 67.4 | -31.1 | 4.2 | -7.4 | | 11 | 53.9 | -18.1 | -8.2 | 5.7 | | 12 | 53.5 | -22.4 | -7.3 | 1.67 | | 中误差 | 61.7 | 23.5 | 6.2 | 7.5 |
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