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1下载:
小波包能量谱的计算,对信号进行频段分析,特征提取,用于模式识别-wavelet packet energy spectrum
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非常实用的小波包分解程序,以及实现对小波包分解频带求取频谱和能量谱-Very useful wavelet packet decomposition process, and the realization of the wavelet packet decomposition to obtain the spectrum and the energy spectrum band
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小波包能量代码,利用db1小波将信号分解和重构,然后计算小波系数的平方,进行正则化-Wavelet packet energy code, the use db1 wavelet signal decomposition and reconstruction, and then calculate the square of wavelet coefficients, the regularization
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小波包分析提取振动信号中的特征频率,以及能量谱分析计算-wavelet packet analysis vibration signal from the characteristic frequency, and the energy spectrum analysis -Extraction of wavelet packet analysis in the vibration signal characteristic frequency, as well as the calculati
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实现小波包能量分解(6层分解),且易于参考从而编写出小波能量分解。-Implementation of wavelet packet energy decomposition (decomposition of 6-layer), and easy-to-reference to the preparation of a wavelet decomposition of energy.
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wave:小波包分解,对信号进行小波包分解,将信号按频率成分分解出来,并且估计小波包能量-wave: wavelet packet decomposition, wavelet packet decomposition of the signal, the signal decomposition by frequency components out, and the estimated wavelet packet energy
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对信号进行小波包分解,得出能量分布图,然后根据分解结果处理信号!-Wavelet packet decomposition of signals obtained energy distribution and signal processing based on decomposition!
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我做的课题的响应信号,做了响应的小波包能量分析,希望对大家有帮助-I do issue a response signal, so the response of the wavelet packet energy analysis, we want to help
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matlab code foe wavelet packet
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用matlab实现小波包能量分析,可以提取特征信号-Wavelet Packet Energy Analysis
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关于小波变换能量谱的程序,用于神经网络的输入接口-Wavelet packet energy spectrum
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小波包提取滚动轴承故障能量特征的matlab程序,大家只要把采集的滚动轴承振动信号数据放入程序中即可使用,希望对大家有所帮助。-Bearing Fault wavelet packet energy feature extraction matlab program, we just put a rolling bearing vibration signal collected data into the program to use, we want to help.
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论述了小波包分解及其能量谱处理发动机连杆轴承故障的原理与方法, 结合传统断火诊断法的思想,应用小波包能量谱直观地识别出故障的特征频带, 并进行量化分析, 结果证明了这种方法比传统的付立叶分析方法具有更大的优越性及现实的应用价值-Discussed and wavelet packet energy spectrum processing engine connecting rod bearing failure principles and methods, combined with trad
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小波包能量巨程序(已做归一化处理,用于对振动信号提取特征)-Wavelet packet energy giant program (normalization process has been done for the vibration signal feature extraction)
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快速傅里叶变换和小波包能量提取代码,可以对采集到的信号进行预处理。-Fast Fourier transform and wavelet packet energy code, can be collected signal preprocessing.
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首先根据高斯白噪声频率充满整个频带的特性,通过双树复小波包变换对高斯白噪声进行分解,利用频带能量泄漏的定量分析方法,验证了双树复小波包变换具有较低的频带能量泄漏特性;其次利用双树复小波包变换逐层分解信号,对每层分解所得分量求其FFT谱的峭度,得到基于双树复小波包变换的谱峭度图,根据图中峭度最大的原则,可以自动准确的选择信号分解最佳层数和最佳分量;最后将基于双树复小波包变换的谱峭度图的故障诊断方法应用于实际工程中,对齿轮故障振动信号进行分析,选择最佳分解层数和分量后利用希尔伯特包络解调,有效准确地
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这是一个基于小波包能量特征提取的小波分析。-Wavelet analysis based on wavelet packet energy feature extraction
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提出改进型的节点重构小波包频带能量谱与 PNN(概率神经网络)的联合故障诊断新方法。 有具体的数据和程序,经过本人验证的,程序有效!效果很好!-Joint fault diagnosis node propose a new method for the reconstruction of improved wavelet packet energy spectrum band and PNN (probabilistic neural network). Specific data and p
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该程序经过实际使用,是综合网上各种求小波包能量方法的正确版本,能够有效使初学者少走弯路,可直接使用,对于函数已进行了备注。-After the actual use of the program is a comprehensive online variety seeking wavelet packet energy method the correct version, so that beginners can effectively avoid detours, can be used
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小波包分解提取信号动力特性 能量特性 供大家参考(Wavelet packet analysis to extract the characteristic frequency of the vibration signal, and the calculation of the energy spectrum analysis)
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