SAR成像的BP算法，后向投影（Backprojection BP）合成孔径雷达(SAR)成像算法 (Backprojection BP SAR imaging algorithm)((Backprojection BP SAR imaging algorithm))

平行束滤波反投影算法的实现和几种常用滤波器的实现。(The implementation of parallel beam filter backprojection algorithm and the implementation of several common filters.)