设定雷达和目标参数，选取目标中心与雷达的距离为参考距离，采取dechirp方式接收信号，直接对回波信号进行二维FFT得到的成像结果，并采用Keystone法（即重采样法）校正越距离单元徙动。-Set the radar and the target parameters, select the center of the target and the distance from the radar as the reference distance, take reception dechirp

聚束SAR极坐标格式算法，包括dechirp处理以及距离向插值和方位向插值-Spotlight SAR polar format algorithm, including dechirp processing and distance and azimuth to the interpolation Interpolation

线性调频信号的解线频调算法实现，二维转台成像的二重积分法实现(Linear FM signal dechirp algorithm, the realization of two-dimensional turntable imaging double integral method)