【摘要】 给出了两种高分辨率星载合成孔径雷达(SAR)数字成像处理的实现方法,一种方法是利用时域-频域混合算法完成方位处理,另一种方法是利用频谱分析法进行方位处理。利用这两种方法对SEASAT-A录取的雷达原始数据进行了计算机数字成像,得到分辨率约为25×25m~2的高质量雷达图像,成像结果证明了所提方法的正确性和有效性。更多还原

【Abstract】 Two realization methods by digital imaging of high-resolution Synthetic Aperture Radar are presented. One employs hybrid time-frequency domain algorithm for azimuth processing, and the other is spectrum analysis algorithm for azimuth processing. The two methods are used for the digital imaging of the raw data recorded from SEASAT-A in computer, Thereby obtaining radar images of high quality with resolution of 25×25m~2. The imaging results show the accuracy and effectiveness of the methods developed.更多还原