| 倒谱在舰船辐射噪声特征提取中的应用 |
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| 引用本文： | 张宇,刘雨东.倒谱在舰船辐射噪声特征提取中的应用[J].舰船科学技术,2009,31(2). |
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| 作者姓名： | 张宇 刘雨东 |
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| 作者单位： | 中国船舶重工集团公司第七六〇研究所,辽宁大连,116013 |
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| 摘 要： | 舰船的辐射噪声是舰船在航行或运转过程中的一种自身属性.提取舰船辐射噪声的特征是对舰船自身属性的总结和归纳,有利于更深一步地了解舰船.同时,其特征可作为监测舰船性能的技术指标,对舰船的维护和保养有重要意义.倒谱是一种信号处理的分析方法,本文从倒谱的定义出发分析倒谱的应用范围,结合舰船辐射噪声的特点,在理论上论述了倒谱在舰船辐射噪声特征提取中的可行性及应用条件.然后,用仿真信号和实例信号对理论进行证明.
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| 关 键 词： | 倒谱 舰船辐射噪声 特征提取 |
Cepstrum application in warship radiated noise characteristic extraction |
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| ZHANG Yu,LIU Yu-dong.Cepstrum application in warship radiated noise characteristic extraction[J].Ship Science and Technology,2009,31(2). |
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| Authors: | ZHANG Yu LIU Yu-dong |
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| Institution: | The 760 Research Institute of CSIC;Dalian 116013;China |
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| Abstract: | Warship radiated noise is a kind of self property when the warship is navigating or working.Extract the characteristic of warship radiated noise is sum up of warship self property,and in favor of know the warship deeper.At the same time the characteristic can be used for the technical indexes in monitoring the warship performance and has an important significance in warship maintenance.Cepstrum is a kind of analysis method in signal processing.In the paper it analyses cepstrum's application filed from its d... |
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| Keywords: | cepstrum warship radiated noise characteristic extraction |
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