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小波变换用做谱分析
- 此程序将小波变换用做频谱分析，给做信号处理的朋友们提供了思路
WPC
- 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
FFT_and_HARR_spectrum
- 利用MATLAB分别用FFT和HARR小波进行了信号功率谱的估计，程序简单实用。-FFT, respectively, with the use of MATLAB and a signal HARR wavelet power spectrum estimation, the procedure is simple and practical.
matlabwavelet
- matlab小波包变换功率谱的程序。比单纯小波变换具有更高的分辨率。-matlab wavelet
powerspectrum
- 使用小波包变换分析两个信号的特征向量和各频率成分的功率谱-the analysis of two signals eigenvector and power spectrum using wavelet-packet transform
xiaobobaofenjie
- 本程序重构各层低频和高频系数，画功率谱，横坐标为频率，纵坐标为功率，小波包分解最后一句是为显示小波包四层分解树结构-Reconstruction of the procedural layers of low and high frequency coefficients, draw power spectrum, the abscissa is the frequency, the vertical axis is power, wavelet packet decomposition is
wavelet
- 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
NumericalRecipesC
- 包含了当代科学计算过程中涉及的大量内容：求特殊函数值、随机数、排序、最优化、快速傅里叶变换、谱分析、小波变换、统计描述和数据建模、偏微分方程数值解、若干编码算法和任意精度计算等-Includes calculation of contemporary science involved substantial elements: seeking a special function values, random numbers, sorting, optimization, fast Fourie
xiaobo
- 一个介绍小波变换在语音里面的倒谱应用，对语音识别学习用帮助-Introduced a wavelet transform in cepstral voice inside applications, on learning to use speech recognition to help
xiaobobao
- 对信号进行小波包分解并求取各个分量的功率谱-The signal wavelet packet decomposition and obtain the power spectrum of the various components
xiaobobianhuan
- 利用小波变换多尺度分析的特性,在小波域的各个尺度上选取不同的阈值对基本的频域谱减法进行改进,并且根据清浊音各自不同的特点,在去噪过程中加以分离,保留了语音中的清音成分,使语音更加饱满。-The use of multi-scale wavelet analysis of the characteristics of the individual in the wavelet domain scale threshold select a different frequency domain of
wavelet_packet_denoise
- 基于小波包分解的语音去噪，根据熵谱概率密度函数估计阈值，去除实际环境噪声。-Based on wavelet packet decomposition of the voice de-noising, in accordance with spectral entropy probability density function estimated threshold, the actual removal of environmental noise.
lvpo
- hht程序代码，小波变换，对比分量的功率谱密度函数图，找出最优小波-hht code, wavelet transform, as compared with the weight of the power spectral density function map to find the optimal wavelet
global-and-by-leve-walvelet-compress-comparission.
- 分层和全局的阈值作用下对比小波压缩效果，及其谱图的不同-global and by level walvelet compress comparission
wavelet_power_spectral
- 基于小波变换的功率谱估计MATLAB仿真代码，包括小波变换的基本原理实现，mallat算法的实现，经典功率谱和现代功率谱估计的主要方法仿真比较。-Based on wavelet transform power spectrum estimation MATLAB simulation code, including the basic principles of wavelet transform to achieve, mallat Algorithm, classic and modern
multi_scale_edgedetect
- 利用小波变化对信号的边缘进行检测，方法使通过多尺度积对信号功率谱进行变化-Changes in the signal using the wavelet edge detection method to plot the signal through the multi-scale changes in the power spectrum
xiaoboyuwelch
- 对心音信号进行WELCH法功率谱估计以及小波去噪的matlab程序-wavelet welch matlab
waveletprogram
- 采用小波奇异点检测方法寻找光谱谱峰位置，用来确定光谱中谱峰位置，峰高，峰宽等相关等信息。(locate spectral peaks in the spectrum by a wavelet singularity detection method)
语音增强算法，谱减法、小波变换
- 使用matlab语言实现的语音增强算法，包括谱减法以及小波变换的实现，对理解原理有很好的作用。(Voice Enhancement Algorithm written using matlab scr ipts, including spectral subtraction and wavelet transform implement.)
小波分析仿真程序
- 小波分析课程部分仿真程序，涉及加窗傅里叶变换、信号分解重构等，每步都有有详细注释(A part of the simulation program for the course of wavelet analysis.Relates to the windowed Fourier transform, signal decomposition and reconstruction, every step has a detailed notes .)