| 小波变换在信号奇异性检测中的应用仿真研究 |
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| 引用本文： | 孙成祥,晁勤.小波变换在信号奇异性检测中的应用仿真研究[J].江西科学,2007,25(1):65-67. |
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| 作者姓名： | 孙成祥 晁勤 |
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| 作者单位： | 新疆大学电气工程学院,新疆,乌鲁木齐,830000 |
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| 摘 要： | 小波变换突破了传统傅里叶变换等信号处理方法,在时域和频域上可同时对信号实现局部化处理,更符合信号非平稳的变频带结构特征,因而在信号检测奇异性等方面具有广泛的应用价值。简要地介绍了小波应用在信号奇异性检测方面变换的基本原理,最后通过仿真实验进行验证。
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| 关 键 词： | 小波变换 奇异性检测 故障诊断 Lipschitz指数 |
| 文章编号： | 1001-3679（2007）01-0065-03 |
| 修稿时间： | 2006-12-082006-12-22 |
Simulation of the Wavelet Transform and Its Application in the Detection of Signal Singularity |
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| SUN Cheng-xiang,CHAO Qin.Simulation of the Wavelet Transform and Its Application in the Detection of Signal Singularity[J].Jiangxi Science,2007,25(1):65-67. |
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| Authors: | SUN Cheng-xiang CHAO Qin |
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| Institution: | College of Electrical Engineering,Xinjiang University,Xinjiang Wulumuqi 830000 PRC |
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| Abstract: | Unlike traditional Fourier transform,the wavelet transform has good localization property both in time and frequency domains.The application of the wavelet transform in the detection of the singularity is briefly introduced in this paper,simulation validates this method. |
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| Keywords: | Wavelet transform Singularity detection Fault diagnosis Lipschitz |
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