舰船电子工程2023，Vol.43Issue(11)：184-188,5.DOI:10.3969/j.issn.1672-9730.2023.11.037
基于时频分布图相似度匹配的水下声源定位方法
Underwater Sound Source Location Based on Similarity of Time-frequency Distribution Diagram
李宁 1韩东 2张浩 2刘聪 1马梦锴1
作者信息
- 1. 海军大连舰艇学院学员五大队 大连 116018
- 2. 海军大连舰艇学院信息系统系 大连 116018
- 折叠
摘要
Abstract
Aiming at underwater target depth and distance estimation,image content retrieval technology is introduced into matching field location.A sound source location method based on time-frequency distribution of received signals is proposed.In this paper,the method is applied to the hard bottom uniform shallow sea sound field.The actual received signal is represented by time frequency,and the standard time frequency distribution diagram containing the depth and distance information of the sound source is obtained.The image fingerprint is marked by the relevant image processing technology,and the range of the predicted field is de-termined after rough positioning and comparison.According to the correlation degree of the time-frequency distribution diagram be-tween the simulated signal and the actual signal at each point of the predicted field,the source position is estimated.The anti-noise performance of the proposed positioning method is verified by simulation.The results show that the proposed algorithm has a good suppression effect on noise and can accurately estimate the distance and depth of underwater sound sources.关键词
时频分布/图片相似度匹配/声源定位Key words
time frequency distribution/image similarity matching/sound source localization分类
通用工业技术引用本文复制引用
李宁,韩东,张浩,刘聪,马梦锴..基于时频分布图相似度匹配的水下声源定位方法[J].舰船电子工程,2023,43(11):184-188,5.
