Movement compensation is the key technique in synthetic aperture sonar(SAS) imaging,and it is normally realized in SAS system by the cross correlation of the raw echo data of multiple-receiver.

• 运动补偿是合成孔径声纳(SAS)成像的关键问题,SAS系统一般利用多接收元回波信号的互相关特性进行运动补偿。