水声信号智能检测系统的设计与实现  

Design and implementation of intelligent detect system for underwater acoustic signal

作　　者：王小飞 高峰娟 邸亚洲 任西福 WANG Xiao-fei;GAO Feng-juan;DI Ya-zhou;REN Xi-fu(Qingdao Branch of Naval Aviation University,Qingdao 266041,China)

机构地区：[1]海军航空大学青岛校区,山东青岛266041

出　　处：《电子设计工程》2020年第13期113-118,共6页Electronic Design Engineering

摘　　要：为有效提升海洋环境下水声信标的搜索效率,本文设计了一种水声信号智能检测系统,其硬件平台主要由便携式水下探测装置、A/D转换模块和加固笔记本等共同组建,软件平台主要通过特征提取方法和支持向量数据描述算法对实测信号进行智能检测。海上信号检测试验表明,该系统性能可靠、操作便利,其声信标信号检测精度较高,特别是采用时域和频域组合特征时的检测准确度可以达到75%以上,能在一定程度上满足实际工作需要。To improve the detect efficiency of acoustic beacon on the sea,this paper designs an intelligent detect system which are constructed by a portable underwater detector,an A/D conversion and an reinforced computer,it can detect the object signal of the underwater acoustic origin fleetly by feature extraction and support vector data description.Practical experience on the sea indicates that it has reliable working stability,convenient practicability and high detection precision,especially when the input data are constructed by timely feature and spectrum feature,which can satisfy the needs of practice.

关 键 词：水声信号 声信标搜索 智能检测系统 支持向量数据描述 

分 类 号：TN6[电子电信—电路与系统]