基于十字阵列被动超声的发动机噪声定位研究  

Orientation of the Engine Noise Based on Cross Array Passive Ultrasound

作　　者：柳雅龙 LIU Yalong(Guangzhou Hengyuan Power Machinery Co.,Ltd.,Guangzhou 510000)

机构地区：[1]广州恒源动力机械有限公司,广州510000

出　　处：《舰船电子工程》2020年第9期52-55,共4页Ship Electronic Engineering

摘　　要：随着信号处理技术在军事战略中作用的提高,越来越多的国家开始重视利用声音信号来确定攻击对象的位置,因此该论文研究的意义非常重要。文中系统地研究了声音传播的规律,噪声信号的频谱特性,利用采集到的发动机声音信号进行频谱性能分析;分析了在十字阵列使用中定位原理以及实验估计的方法,并使用Matlab软件进行计算机模拟仿真;与此同时对于定位的精度进行了分析。With the improvement of the role of signal processing technology for military strategy,more and more countries are starting to focus on the use of sound signals to determine the location of the object of attack,so the significance of this research is very important.In this paper a systematic study of the laws of sound propagation,the spectral characteristics of the noise signal,the use of the collected sound signal spectrum engine performance analysis.This paper analyzes the localization principle and experi⁃mental method in the use of the cross arrays,and uses the Matlab software to carryont computer simulation and at the same time ana⁃lyzes the positioning accuracy.

关 键 词：被动声定位 十字阵列 发动机噪声 

分 类 号：E912[军事]