Taking fclio earth rotation and oblateness into consideration, the orbit perturbation, attitude errors and its stability effects on SAR Doppler parameters are analyzed.

• 在考虑地球自转和扁率的情况下，分析了轨道摄动、卫星姿态指向误差和稳定度对SAR多普勒参数的影响，并进行了数字仿真。