基于高分辨率机载SAR数据的试验研究

Experiment research of highresolution AIRSAR data

主要研究了高分辨率机载SAR数据运用于测绘试验的可行性,提出数据处理的关键流程,诸如数据获取、成像处理、预处理、几何处理、融合处理,以及可供提取的最基本的制图要素,诸如道路、铁路、水系、植被、耕地和居民地,并进行了精度评估,最后对地形图更新,提取变化信息。试验结果初步表明高分辨率、高成像质量的机载SAR影像数据应用于测绘领域是可行的。可以看出高分辨率机载SAR影像的应用得到了比较满意的结果。

This paper mainly investigates the feasibility on the application of highresolution AIRSAR in the Surveying and Mapping, presenting the key procedures of data processing, such as data acquisition, imaging processing, preprocessing, geometry processing, merging processing, extracting the basic mapping elements such as road, railway, water area, vegetation, infield and residential area, and evaluating the precision. Then updating the topography and extracting change information. Experiment results preliminarily show that highresolution and high quality AIRSAR image data could make its application extensive in the field of Surveying and Mapping.