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对轴承故障振动信号的matlab小波分析程序
- 对轴承故障振动信号的matlab小波分析程序,能完成对故障特征频率的提取,Of bearing fault vibration signals matlab wavelet analysis procedures, can finish on the fault characteristic frequency extraction
基于matlab的遗传算法程序及基于matlab的小波变换实现图像边缘提取
- 基于matlab的遗传算法程序及基于matlab的小波变换实现图像边缘提取
一维和二维小波变换的VC实现
- 小波算法在vc的具体实现.小波算法在图像处理,视频压缩,特征提取等领域有广泛应用,程序以灰度图像为数据分别演示了一维和二维小波变换,希望对大家有所帮助.谢谢!-vc wavelet algorithm in a concrete realization. Wavelet algorithms in image processing, video compression, feature extraction and other fields have extensive application
基于小波变换的数字水印系统设计
- 本文提出一种基于小波变换的图像数字水印算法,通过将低频子图分块并量化其小波系数,实现水印的嵌入和提取,并对其进行抗噪声、JPEG压缩、旋转等实验。对于旋转攻击,该算法结合了图像的归一化技术。实验结果表明,该算法对常见图像处理和旋转都有较好的鲁棒性。
基于小波的matlab做边缘提取的代码
- 基于小波边缘的边缘提取,采用经典图片,值得学习!(Edge extraction based on wavelet edge)
小波分解+MSE熵+特征提取
- 通过小波四层分解,获取脑电信号的四个波形,之后运用多变量多尺度熵计算综合MMSE,为脑电信号识别做基础(After four layers of wavelet decomposition, four waveforms of EEG signals are acquired, and then the MMSE is calculated by using multivariable and multi-scale entropy, which is the basis of EEG reco
小波变换
- 用keil4编写C代码实现小波变换,以Daubechies小波基进行常用波形的尺度系数和小波系数提取(C code written in keil4, wavelet transform, Daubechies wavelet basis for the commonly used waveform scale coefficients and wavelet coefficients extraction)
基于小波包提取轴承故障
- 基于小波包变换对信号进行分解,提取机器轴承故障的特征信号进行损伤识别,(The signal is decomposed based on wavelet packet transform, and the characteristic signals of machine bearing faults are extracted to identify the damage,)
小波分解与重构
- 对信号进行多尺度分解并提取小波的高频系数和低频系数(Multi-scale decomposition of signals and extraction of high frequency coefficients and low frequency coefficients of wavelet)
小波分析及小波精度提取
- 便于抗风分析,通过小波的提取使得桥梁抖振分析更加精确(Easy wind resistant analysis)
基于小波变换的纹理图象分割算法研究_郇正良 (1)
- 这篇论文对小波变换提取纹理分割介绍的特别详细,能够使新手更快的理解和上手。(Research on texture Image Segmentation algorithm based on Wavelet transform)
小波包
- 小波包能量提取的程序。。。。。。。。。。。。。(The program of wavelet packet energy extraction)
matlab代码_小波矩特征提取
- 小波变换,小波矩特征提取方法,特别好用,注释清楚(Wavelet transform, wavelet moment feature extraction method, particularly easy to use, annotated clearly.)
双树复小波分解+特征提取+输出Excel
- 运行小波变换对图像进行处理分析,包括去噪纹理提取等(Running wavelet transform to process and analyze image, including denoising texture extraction, etc.)
基于多信号小波变换分解的特征提取
- 实现对振动信号的小波变换分解的特征提取。(The wavelet transform decomposition of vibration signal is realized to extract its features.)
小波提取纹理特征
- 在matlab中利用图像处理工具实现了通过小波变换提取纹理特征,包含例子
小波包能量可视化和GUI设计
- 特色:1.借用小波包分解和小波能量熵函数;2.GUI界面导入西储大学轴承故障数据;3:对提取小波能量方便快捷(Features: 1. Use wavelet packet decomposition and wavelet energy entropy function; 2. GUI interface to import bearing fault data of Xichu University; 3. It is convenient and fast to extract wavel
小波分析模极大值法
- 对信号波形进行小波变换并分解,提取模极大值,最后进行信号重构。(Wavelet transform and decompose the signal waveform, extract the maximum value of the modulus, and finally reconstruct the signal.)
小波包变换代码
- 对脑电信号进行5层小波包分解,提取相应的节律波(The EEG signal was decomposed by 5-layer wavelet packet to extract the corresponding rhythmic wave)
bp神经网络,小波变化
- 小波变换提取特征信号用bp神经网络进行故障诊断(Bp neural network is used for fault diagnosis of feature signal extracted by wavelet transform)