The result shows that ASAR data can find a wide use in many fields such as crop growth . monitoring, ocean and ship detection.
结果表明ASAR数据可以广泛应用于多云多雨地区的土地覆盖分类，农作物估产，船只探测和海洋等领域。
2
The method research of Envisat-1 ASAR data preprocessing includes radiometric calibration, geometrical correction and speckle reduction.
主要的研究内容如下：(1)ASAR数据预处理方法研究，包括辐射定标、几何校正和斑点噪声的去除。
3
The images above were acquired by the Advanced Synthetic Aperture Radar (ASAR) on the European Space Agency's Envisat satellite on March 11 and 16, 2011.