基于解卷积的高精度水下声信标测向方法

A high-precise underwater acoustic beacon orientation measurement method based on deconvolution

针对水下声信标搜寻定位声呐对搜寻定位效率的需求,文章引入一种基于空域解卷积的高精度水下声信标测向方法,对常规波束形成结果进行解卷积处理,提高了声信标搜寻定位声呐的处理增益和测向精度,提高了搜寻定位效率,并且使得为搜索发射频率为37.5 kHz的声信标设计的声呐,同时也具备了对发射频率为8.8 kHz的声信标的搜寻定位功能。通过仿真和实测数据验证了文中方法的有效性。

In order to improve the efficiency of underwater acoustic beacon search and location sonar,a deconvolution based high-precise underwater acoustic beacon orientation measurement method is proposed in this paper,by which the result of conventional beamforming is deconvolved.This method improves the array gain and orientation precise of the sonar to improve searching and locating efficiency,and enable the sonar designed for the 37.5 kHz beacon to search and locate the 8.8 kHz beacon.Performance of the proposed method is evaluated based on simulated and measured data.