水声信号处理领域新进展  

New advances of underwater acoustic signal processing

作　　者：李启虎[1] 

机构地区：[1]中国科学院声学研究所,北京100190

出　　处：《应用声学》2012年第1期2-9,共8页Journal of Applied Acoustics

摘　　要：本文介绍近30年来水声信号处理领域理论研究的新进展和在声纳设计中的应用。包括水声信号建模、声场匹配、海洋波导和内波现象的探索和研究、声矢量场信息获取和处理,低频水声信道的时/空相关特性,水下目标辐射噪声的不变特征量提取和检测技术,水下语音、图像传输和抗干扰技术。同时概述,声纳设计的前沿领域:大孔径拖曳线列阵声纳、高分辨力合成孔径声纳、深海传呼机等的发展情况。The advances of new technology and theoretical development in 30 years of underwater acoustic signal processing and its applications in sonar design are presented in this paper.The topics include the research work in the field of underwater acoustic signal modeling,acoustic field matching,ocean waveguide and internal wave,the exaction and processing technique of acoustic vector signal information,space/time correlation characteristics of low frequency acoustic channel,the invariant feature of underwater target radiated noise,the transmission technology of underwater voice/image data,and its anti-interference technique.Some Sonar frontier technologies in sonar design are also discussed,including large aperture towed line array sonar,high resolution Synthetic aperture sonar and deep sea siren etc.

关 键 词：水声信号处理 声纳设计 新进展 

分 类 号：TN929.3[电子电信—通信与信息系统]