单矢量水听器ESPRIT法双目标分辨研究

Study on Dual-Target Resolution by ESPRIT Method with Single Vector Hydrophone

针对小平台水下声探测中存在的多目标分辨问题,研究了单矢量水听器分辨多个目标的方法。采用ESPRIT高分辨方法,以一定时间间隔采样两组接收数据,使它们满足ESPRIT法特有的旋转关系。计算机仿真表明,单矢量水听器TLS-ESPRIT法能分辨两个空间相隔10°的目标,表明了方法的可行性。

Aiming at the problem of multi-target resolution in underwater acoustic detection of small platform,the method of multi-target resolution with single vector hydrophone was studied.ESPRIT high-resolution method was adopted,and two groups of received data were sampled at a certain time interval,so that they can satisfy the rotation relationship peculiar to ESPRIT method.Computer simulation shows that TLS-ESPRIT method with single vector hydrophone can distinguish two targets separated by 10o in space,which shows the feasibility of this method.