任意模式的机载双基地合成孔径雷达方位非线性变标成像算法；适合于对SAR有一定基础的研究者；包含距离走动校正，方位非线性变标；变标因子推导等-Any mode airborne bistatic synthetic aperture radar imaging algorithm standard nonlinear variable orientation　suitable for SAR have some basic researchers　included walking distance correction, azimuth nonlinear variable standard　variable scaling factor derived etc.