船舶辐射噪声分段音色特征分析

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• 英文论文题名：Analysis of segmented timbre features on ship radiated noise
• 论文作者：陈志伟 ; 罗夏云
• 英文论文作者：CHEN Zhi-wei ; LUO Xia-yun ; PLA Unit ; Department of underwater acoustic Engineering ; Navy University of Engineering
• 年：2016
• 作者机构：92244部队;海军工程大学水声工程系;
• 论文关键词：船舶 ; 辐射噪声 ; 分段音色特征
• 英文论文关键词：ship ; radiated noise ; sub-band timbre feature
• 会议召开时间：2016-09-17
• 会议录名称：2016年度声学技术学术会议论文集
• 语种：中文
• 分类号：U661.44
• 学会代码：SXJS
• 会议名称：2016年度声学技术学术会议
• 会议地点：中国湖北武汉
• 主办单位：船舶振动噪声重点实验室、湖北省声学学会
• 学会名称：《声学技术》编辑部
• 页数：3
• 文件大小：426k
• 原文格式：D
• 会议级别：全国

摘要

将分段音色特征用于船舶辐射噪声的特征提取中,通过语音和乐音识别领域中的研究成果确定音色特征的提取方法,实测船舶辐射噪声数据处理结果表明:分段谱质心、分段谱质心带宽、分段谱下降值及分段谱不规律性能够在一定程度上对不同类型的船舶目标进行分类。
Using the segment timbre features in feature extraction of ship radiated noise, through the achievements in the field of voice and tone to determine the timbre features extraction method. The measured data processing results show that: sub-band spectral centroid, sub-band spectral centroid bandwidth, sub-band roll-off, sub-band spectral irregularity can classify different types of ship target in a certain extent.

引文

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