在多普勒调频斜率估计中，时频分析法比较直观，估计精度也不错，脱机处理中获得了广泛的应用，图像偏移法估计速度快，在运动补偿中得到了应用。
Image offset method that is also fast can be applied to motion compensation, time-frequency method is intuitionistic and have a better accurate, which is applied extensively on offline.
在SAR成像中，MD算法是一种对多普勒调频斜率进行估计的自聚焦处理过程。
Mapdrift algorithm is an autofocusing processing which can get correct Doppler frequency modulation slope in SAR processing.
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