基于超短基线的水下移动目标定位方法研究  

Research on underwater moving target positioning method based on ultra-short baseline

作　　者：杜跃 欧阳锡钰 DU Yue;OUYANG Xi-yu(Tianjin Water Transport Engineering Survey and Design Institute Co.,Ltd.,Tianjin 300456,China;Tianjin Water Transport Engineering Surveying and Mapping Technology Enterprise Key Laboratory,Tianjin 300456,China;Tianjin Research Institute of Water Transport Engineering,M.O.T,Tianjin 300456,China)

机构地区：[1]天津水运工程勘察设计院有限公司,天津300456 [2]天津市水运工程测绘技术企业重点实验室,天津300456 [3]交通运输部天津水运工程科学研究院,天津300456

出　　处：《信息技术》2022年第11期26-30,36,共6页Information Technology

基　　金：国家重点研发计划项目(2018YFC0810400)。

摘　　要：由于传统水下移动目标定位方法存在定位精度低的问题,提出基于超短基线的水下移动目标定位方法。在水声传感网络通信模型的信息采集端,计算出水声传感网络对于目标定位的能力。利用自适应均衡算法辨别水下移动目标的干扰数据,基于自适应均衡算法构建水声传感网络通信模型,计算出冲击响应函数和响应时长的近似度,完成水下移动目标声场扰动量的归一化处理,结合水下移动目标定位算法,实现水下移动目标的定位。仿真结果表明,所提出方法可以通过提高水下移动目标定位精度,提升水下移动目标定位性能。Due to the low positioning accuracy of traditional underwater moving target positioning methods,an underwater moving target positioning method based on ultra-short baseline is proposed.At the information acquisition end of the underwater acoustic sensor network communication model,the ability of underwater acoustic sensor network for target positioning is calculated.The adaptive equalization algorithm is used to identify the interference data of underwater moving targets,and the communication model of underwater acoustic sensor network is constructed based on the adaptive equalization algorithm.The approximation of impact response function and response time is calculated to complete the normalization of sound field disturbance of underwater moving target,and realize the positioning of underwater moving target combined with underwater moving target positioning algorithm.Simulation results show that the proposed method can improve the positioning performance of underwater moving targets by improving the positioning accuracy of underwater moving targets.

关 键 词：超短基线 移动目标 网络通信模型 目标定位 传感网络 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]