根据矢量空间坐标变换的原理，分析了船舶摇摆运动在声纳基阵转动轴上的分解原理，得出了控制和稳定声纳基阵姿态不受船舶摇摆影响时所需的控制规律计算机仿真及实验室样机试验结果都验证了分解原理的正确性 According to the principle of vector space coordinate transformation, the principle of ship swaying motion on the rotational axis of sonar array is analyzed, and the control laws required to control and stabilize the attitude of sonar array are not affected by ship sway.  Computer simulation And laboratory prototype test results verify the correctness of the decomposition principle 