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Influence of Geodetic Datum on SAR Geocoding Image Mosaic
Author(s): 
Pages: 363-366
Year: Issue:  6
Journal: RADAR SCIENCE AND TECHNOLOGY

Keyword:  地学基准数据SAR地理编码图像拼接;
Abstract: 描述了星载SAR-geocoding(SAR地理编码)图像的拼接处理过程.由于两幅图像在地理编码中采用的地图投影方式和地球模型不同,所以在拼接处理时,需要在同一坐标系下通过地学基准转换参数进行修正.地学基准转换参数的偏差会影响图像像素的地理经纬度和高程,从而影响图像拼接的精度.对Radarsat卫星地理编码图像的拼接处理表明:地学基准转换参数的变化会导致拼接图像有大约几百米的位置偏差.
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