捷联式声纳基阵姿态补偿模型研究与仿真

Research and Simulation of Strap-Down Mode Sonar Array Attitude Compensation Model

由于船舶垂向位移、横向位移和纵向位移,以及船舶摇摆引起的声纳基阵的线位移,声纳基阵相对于目标的方位角和俯仰角不是固定不变的。给出了它们的修正值,详细讨论了该方位角在±90°和±180°附近变化时的具体情况,并给出了声纳基阵姿态补偿模型的算法和步骤。最后对该补偿模型进行了仿真,仿真结果表明该模型能够反映在船舶六自由度运动时声纳基阵的真实运动姿态。

Because of the vertical displacement, lateral displacement and longitudinal displacement of the ship, as well as the line displacement of the sonar array caused by ship rocking, the azimuth and angle of pitch between the sonar array and the target do not immobilize. So their correction value was provided, and the conditions were discussed when the azimuth changes between ±90°and ±180°. Furthermore, the algorithm and the concrete steps of the sonar array attitude compensation model were provided. Finally, the simulation of the sonar array compensation model was carried on, and the simulation results indicate that this model can reflect the real motion posture of the sonar array at shipping six degree of freedom motion.