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phase

于 2012-10-20 发布 文件大小:2562KB
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  希尔伯特变换和小波变换检测相位差的matlab程序和一些资料(Hilbert transform and wavelet transform to detect the phase difference matlab program and some of the information)

文件列表:

新建文件夹
..........\hil.m,676,2012-10-18
..........\phase.m,626,2012-10-18
..........\wav.m,922,2012-10-18
..........\小波变换
..........\........\基于复小波变换相位谱的齿轮故障诊断.pdf,139853,2012-10-18
..........\........\实小波变换提取相位信息方法研究.pdf,801271,2012-10-17
..........\........\小波变换与信号瞬时特征分析.pdf,628784,2012-10-17
..........\........\小波变换在瞬时相位分析中的应用.pdf,267438,2012-10-17
..........\希尔伯特
..........\........\一种基于希尔伯特变换的相位差测量方法.pdf,266292,2012-10-17
..........\........\希尔伯特变换与信号的包络_瞬时相位和瞬时频率.pdf,588438,2012-10-17
..........\........\解析信号的瞬时相位与原始信号的等价关系.pdf,244312,2012-10-18

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  • q4
    说明:  提出了一种基于复解析小波变换的相位诊断齿轮故障的方法。复解析小波变换将Hilbert变换与小波分析紧密结合在一起,具有自适应分析能力。利用复解析小波变换得到齿轮振动信号的相位,其功率谱图上可提取调制边频带结构来识别故障模式。试验结果表明这种方法可有效应用于齿轮局部故障诊断中。(A new method using the phase based on complex analytical wavelet transform for fault diagnosis of gears was proposed. The phase of vibration signals of gears is got by complex analytical wavelet transform, which combines Hilbert transform with wavelet transform tightly and possesses adaptive analysis ability. By making spectrum analysis of the phase, the sideband structure in power spectrum can be protruded, and the fault pattern can be identified. Experimental results show that the proposed method is effective in local defect detection of gears.)
    2012-02-02 15:25:22下载
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    2012-04-10 17:29:32下载
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