船舶辐射噪声奇异值特征  

A Study of Singular Value Characteristic of Ship Noise

作　　者：王易川[1] 孙荣光[1] 

机构地区：[1]海军潜艇学院,山东青岛266071

出　　处：《火力与指挥控制》2011年第5期164-166,共3页Fire Control & Command Control

基　　金：国防预研基金资助项目(4010501050102)

摘　　要：船舶辐射噪声的奇异值是船舶噪声的固有特征,采用小波变换模极大值方法可计算船舶辐射噪声的Lipschitz指数,同类船舶同一工况下的Lipschitz指数均值统计量分布具有良好的稳健性,可作为船舶分类的特征量。Singular value is inherently characteristics of ship radiated noise.The methode of wavelet transform modulus maxima was used to calculate the lipschitz exponent of ship radiated noise.Distribution of lipschitz exponent mean value statistics of the same kind ships in the same work condition is effectively robust.So lipschitz exponent can be used as the characteristic for ship noise classification.

关 键 词：小波变换 Lipschitz指数 船舶噪声 目标分类 

分 类 号：TN911[电子电信—通信与信息系统]