搜索资源列表
Modern-signal-processing
- 现代信号处理技术:包括高阶谱、时频分析与小波变换-Modern signal processing technology include: high-end spectrum of time-frequency analysis and wavelet transform
wavelet_mallat
- 本程序主要利用小波分析的mallat算法实现谱分析的功能-The main advantage of wavelet analysis procedure mallat function of spectral analysis algorithms
WeiFengYing-supporting-program
- 魏凤英的现代气候统计诊断与预测技术的fortran源代码,里边包括气候变化趋势分析的程序:线性倾向估计、滑动平均及一些趋势检验和函数;气候突变检测:滑动t检验、Cramer s法、Yamamoto法、Mann-Kendall法、Pettitt法Lepage法;气候序列周期的提取方法:功率谱、最大熵谱、交叉谱、多维最大熵、奇异谱分析、小波分析;以及EOF、主成分等等,总之熟悉这本书的同学,应该知道这本书的“强大”是做数理统计分析、及气象等必备的工具书啊,而且其程序,尤为宝贵!特此与大家分享-Wei
m.file
- 语音增强算法,谱减法、小波变换以及数学形态学等的语音增强算法针对信噪比、语谱图、去噪情况,分析比较-Speech enhancement algorithm, spectral subtraction, wavelet transform and mathematical morphology speech enhancement algorithm for signal-to-noise ratio, the spectrogram denoising situation analysis
xiaobowelch
- 用小波分解和重构提取信号节律,并用welch法计算各节律功率谱进行比较-Signal extraction using wavelet decomposition and reconstruction rhythm, and rhythm power spectrum is compared welch method
welch
- 用matlab对信号消噪,用小波提取信号节律并计算功率谱-Signal extraction using matlab signal denoising using wavelet rhythm and calculate the power spectrum
WaveletScaleSpectra
- 研究小波尺度谱的代码,对于这方面的朋友很有帮助-The the study wavelet scalogram code, helpful friends
wvd
- 这是一个轴承故障分解程序,给予小波变换,小波去噪,小波重构与EMD相结合,有时频谱,边际谱,功率谱-This is a to bearing failure decomposition program given wavelet transform, wavelet denoising wavelet reconstruction combined with EMD, sometimes the spectrum, marginal spectrum, power spectrum
spectrum_dB
- 使用matlab对信号数据进行谱分析,小波变换,是谱分析的一种常用方法-Matlab spectral analysis of the signal data, wavelet transform is a commonly used method of spectral analysis
wavedec2
- 小波阈值消噪程序,能量谱分析,希望能帮助大家-Wavelet threshold denoising procedures, energy spectrum analysis, we hope to help
xiaobo
- 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
1.1
- 信号分解为六层的细节信号的谱分析\小波包络谱分析修改版6层-\ Wavelet envelope spectrum analysis of a modified version of layer signal is decomposed into six layers of detail signal spectrum analysis
morletwavelet
- 一些关于morlet wavelet的文章,分别是用Morlet小波进行包络检波分析,基于小波分析的进化谱及在故障诊断中的应用-Morlet wavelet is Morlet wavelet analysis of the envelope detector, based on the wavelet analysis of the evolutionary spectrum and its application in fault diagnosis
Wavelet-analysis
- 小波分析~语音识别 非平稳信号的处理 小波变换 谱分析-Wavelet analysis ~speech recognition
paper-of-VAD
- 语音端点检测的各种论文,包括MFCC、过零率、短时能量、小波以及谱熵等方法,对编写语音VAD算法有很大的帮助-Speech endpoint detection in a variety of papers, including MFCC, zero-crossing rate, short-term energy, wavelet and spectral entropy method, write voice VAD algorithm of great help
pujianfa
- 设计了谱减法,小波滤波法实现语音信号的增强的程序-Wavelet filtering through spectral subtraction speech enhancement method to achieve
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- 对重分配小波尺度谱存在着时、频分辨率不能同时达到最佳及当振动信号中存在着能量较大的噪声时会降低其时频分布可读性的缺陷,提出一种基于参数优化和奇异值分解(SVD)提高重分配尺度谱时频分布可读性的方法。首先利用Shan— non熵方法优化重分配尺度谱基函数的时间.带宽积(TBP),克服其时、频分辨率不能同时达到最佳的缺陷,再对重分配尺度谱 进行SVD降噪降低噪声干扰影响,提高时频分布的可读性。最后用该方法对仿真信号和滚动轴承故障信号进行了分析,结果表明该方法的时频聚集性更好,抗噪能力更强,能
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- 提出一种基于小波分析和奇异谱降噪理论的新方法, 在分析滚动轴承故障特性的基础上, 将奇异谱理论的降噪方法与小波分析理论结合应用于滚动轴承故障诊断中。实例表明,这种结合后的新方法能够更有效地降低噪声,突出振动信号的故障特性, 从而提高设备故障诊断的准确率。-Proposed based on wavelet analysis and Singular Spectrum Reduction Noise Theory new methods in the analysis of rolling bea
wave
- 功率谱分析之小波分析, 可以看出周期随时间的变化-power spetrum wave analysis
Continuous-wavelet-transform
- 连续小波变换和其尺度谱 可以使用我自己都用这-Continuous wavelet transform and its scale spectrum may have used it with my own