▍1. 功率谱
说明: 利用此代码绘制声信号的功率谱,显示功率谱线。普通音频文件均可实现(Drawing power spectrum)
MATLAB实现kennard-stone选样本算法 (MATLAB kennard- stone selected sample algorithm)
四元数小波变换。对图像进行四元数小波域变换,并根据变换后得到的四个部分进行幅度相位分析。(Quaternion wavelet transform.Including image analysis via quaternion wavelet domain,such as one magnitude and three angles.)
用matlab编程实现了ridgelet多尺度变换,实现了图像的解析,重构,压缩等功能(Ridgelet with matlab programming a multi-scale transformation to achieve the image resolution, reconstruction, compression and other functions)
小波变换、EMD以及EMD结合小波变换几种常用的时频去噪方法的对比分析(Wavelet transform, EMD and the EMD of several commonly used wavelet transform time-frequency denoising Comparative Analysis)
关于小波信号处理中的Morlet算法的Matlab程序(On the Morlet wavelet signal processing algorithms Matlab program)
说明: 利用小波变换去除图像中噪声,对比其他去噪方法(Using Wavelet Transform to Remove Noise from Image)
用小波变换和OMP重构的压缩感知算法来重构lena图像。(CS Algorithm with DWT and OMP。)
小波变换用于半导体激光器可靠性分析的全部程序。我只完成了其中一部分,请斑竹验收(wavelet transform for the semiconductor laser reliability analysis of all procedures. I only completed part, illustrated acceptance)
说明: CEEMDAN和EEMD等去噪方法的合集(CEEMDAN/EEMD/EMD:Collection of various denoising methods)
图像多尺度分析,小波变换的进一步发展slantlet变换代码,用matlab编写有使用说明(slantlet code)
心电信号分析 (1)设计滤波器,实现对心电信号的噪声抑制和基线纠漂。 (2)时域分析:R波检测算法与实现. (3)功率谱分析:对消噪后的信号进行功率谱分析。要求计算信号的功率谱,功率谱峰值,峰值频率。 (ECG Analysis (1) design filters to achieve noise suppression of ECG and baseline drift correction. (2) time-domain analysis: R-wave detection algorithm and implementation (3) The power spectrum analysis: noise cancellation signal after the power spectrum analysis. Require calculation of the signal power spectrum, peak power spectrum, peak frequency.)
离散小波变换与离散小波反变换 快速小波变换(Mallat小波分解算法):对一幅图像做2级小波分解(离散小波变换)与合成(离散小波反变换)(Discrete wavelet transform and discrete wavelet inverse transform fast wavelet transform (Mallat wavelet decomposition): For an image to do 2 wavelet transform (DWT) and synthesis (discrete wavelet inverse transform))
一种基于改进谱减法的语音去噪新方法,对于想学习谱减法的同学有很大的帮助(A kind of based on improved spectral subtraction speech denoising, a new method to want to learn the spectral subtraction classmates have a lot of help )
小波变换去噪,软阈值和硬阈值,以及自己的设计的阈值函数来去噪,毕业设计全套。很全面的资料,绝对最全面的资料,我保证(Wavelet denoising, soft thresholding and hard thresholding, as well as design their own threshold denoising function, the design of a full set of graduation. Comprehensive information is absolutely the most comprehensive information, I promise)