位移相位中心法在合成孔径声呐载体运动误差较小时是一种运动补偿的有效方法。
Displaced phase center algorithm is an effective motion compensation method when the motion error along the synthetic aperture is small.
计算机模拟表明，要获得准确GPS观测量来进行导航定位，必须进行天线相位中心引起误差的校正。
The outputs of simulation show that the real time error correction due to GPS antenna phase center movement is needed in order to acquire precision GPS observables.
线性相位误差导致机载SAR成像后目标的位置发生偏离，从而改变多普勒中心频率。研究线性相位误差的特点，提出一种改进的杂波锁定估计方法。
Linear phase error leads to that the estimated target location offsets from its original location in airborne SAR imaging, and the Doppler centroid frequency will be changed.
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