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基于多尺度谱峭度的分接开关振动信号处理
- 基于多尺度和谱峭度算法对振动信号进行降噪处理,里面有程序说明,有运行结果说明,值得学习一下(Based on the multi-scale and Spectral Kurtosis Algorithm, the vibration signal is de noised and processed. There is a program descr iption, and the result of operation shows
EL Centro地震反应谱
- EL Centro地震波位移、速度、加速度反应谱(Response spectrum of seismic wave displacement, velocity and acceleration of EL Centro)
几种常用功率谱估计法
- 几种常用的功率谱估计方法:相关函数法(BT 法),周期图法( periodogram),Bartlett 法,Welch 法,AR 功率谱曲线( p=50)(Several commonly used power spectrum estimation methods: correlation function method (BT method), periodogram method, Bartlett method, Welch
三分之一倍频程谱
- 首先对采样信号进行傅里叶变换,计算出功率谱或幅值谱,然后用功率谱或者幅值谱的数据,计算每一个中心频率的带宽内数据的平均值。(Firstly, Fourier transform is applied to the sampled signal to calculate the power spectrum or amplitude spectrum, and then the average value of the data with
相关分析和谱分析的工程应用
- 相关分析和谱分析基础,对理解有重要帮助。可以帮助Matlab编程。(The basis of correlation analysis and spectral analysis is of great help to understanding. Can help Matlab programming.)
matlab画语音语谱图
- 语谱图反映了语音信号的动态频谱特性,在语音分析中具有重要的实用价值,被称为可视语音。“yuputu”是用matlab完成语谱图的程序(Spectrogram reflects the dynamic spectrum characteristics of speech signals. It has important practical value in speech analysis and is called visual spe
短时功率谱密度
- 语音信号是一个非平稳时变的信号,所以用计算稳态信号的方法计算功率谱密度函数没有太大意义,看不出信号的动态变化,"gonglvpu"给出计算短时功率谱密度函数(Speech signal is a non-stationary time-varying signal, so it is not very meaningful to calculate the power spectral density functio
谱减法BOLL
- 对基于残留噪声去除的谱减法的编程,实现了高去噪水平(The program of spectral subtraction based on residual noise removal has achieved high denoising level.)
路面谱
- 路面谱文件,可修改参数用于各级道面不平整度的仿真模拟(Pavement spectrum file)
功率谱分析Matlab程序
- 功率谱密度matlab实现,非常实用,适合计算 和分析使用(Implementation of power spectral density matlab)
初步虚谱法程序
- 本程序是基于matlab的伪谱法弹性波的数值模拟基础程序(This program is based on matlab pseudospectral method elastic wave numerical simulation program)
matlab高阶谱工具箱 有维格纳2阶,3阶切片
- 高阶谱工具箱,里面包含了维格纳双谱等等一些有用得文件(Higher-order spectrum toolbox)
傅里叶谱与频域低通滤波
- 傅里叶谱与频域低通滤波 (a)从图书网站下载图4.41(a)并计算其(居中)傅里叶谱。(b)显示频谱。(c)在等式(4.8-7)中实现高斯低通滤波器。您必须能够指定结果2D函数的大小,M x N。此外,您必须能够指定高斯函数的中心位置。(d)从图书网站下载图4.41(a),并对其进行低通滤波,以复制图4.48中的结果。(Fourier Spectrum and Lowpass Filtering in Frequency Domain
希尔伯特谱
- Hilbert谱表示的是信号幅值在整个频率段上随时间和频率的变化规律,下面将分享完整的希尔伯特谱代码。(Hilbert spectrum represents the change rule of signal amplitude with time and frequency in the whole frequency band. The complete Hilbert spectrum code will be Shared b
语音增强谱减算法
- 单通道语音增强的谱减算法,有最基本的谱减算法,也包括多频带的谱减算法。
功率谱双谱计算
- 基于matlab,计算信号功率谱,调用了高阶谱分析工具箱的函数 bispecd 和 bispeci计算信号的双谱(Calculate signal power spectrum and bispectrum based on matlab)
断面确定_谱聚类算法
- 能够递归实现输电断面的识别;功能强大;谱聚类算法,IEEE39,14节点测试通过。可以自由拓展,对电力系统研究方向的同学有用(It can recognize transmission section recursively, and has powerful function. The spectrum clustering algorithm has passed the test of IEEE39,14 nodes. It ca
EMD编程示例(内有FFT,功率谱,HHT,包络谱)
- 一些关于经验模态分解的编程实例有FFT,HHT,功率谱,包络谱(Some programming examples about empirical mode decomposition include fft,hht, power spectrum, envelope spectrum.)
利用傅里叶变换和包络谱对轴承异响的分析
- 利用轴承声音信号做频谱分析和包络谱分析。(using voice of bearing vibration for FFT and hilbert FFT)
谱平分法对空手道俱乐部优化
- 本程序是采用谱评分法的原理,基于MATLAB,将空手道俱乐部网络一分为二。(This procedure is based on the principle of spectrum scoring method and MATLAB, which divides the karate club network into two parts.)