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2 S3影像参数校正后前几何定位误差 |
| Tab. 2 Geolocation error of S3 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 | 70.6 | -3.7 | | 15.3 | 14.9 | | 2 | 61.5 | -8.3 | 6.8 | 10.4 | | 3 | 69.0 | -3.7 | 14.8 | 15.1 | | 4 | 62.4 | -8.3 | 6.9 | 10.3 | | 5 | 55.5 | -25.2 | 0.6 | -6.4 | | 6 | 55.6 | -12.3 | 1.4 | 6.4 | | 7 | 55.5 | -25.2 | 0.6 | -6.4 | | 8 | 61.3 | -11.3 | 7.2 | 7.4 | | 9 | 65.5 | -26.8 | 10.1 | -8.1 | | 10 | 61.6 | -30.3 | 7.4 | -11.5 | | 11 | 66.6 | -33.0 | 11.1 | -14.3 | | 12 | 52.5 | -25.7 | -2.2 | -6.9 | | 中误差 | 61.7 | 20.6 | 8.6 | 10.4 |
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