搜索资源列表
ECGmatlab.rar
- 内含心电信号数据及运用MATLAB写的源代码，毕设作品，运行良好,Includes the use of ECG data and source code written in MATLAB, Bi-based work, running good
13898350hht
- EMD分解源码，可用于信号的分解，去噪以及细节分析。是最新的2007的版本。
ecg
- 对心电信号的QRS波进行前期处理，主要是下载信号和对信号去噪滤波。-Of the QRS wave of ECG to pre-treatment, mainly to download signals and to signal de-noising filter.
Matlabwork_lhr
- 学习阶段自己写的，语音信号去噪的matlab程序，希望大家给出批评指正意见。-Stages of learning to write their own, the speech signal denoising matlab program, hope that we are given the views of critics correction.
DigitalFilter
- 滤波器设计的目的是对信号进行数据序列的频率变换，去掉其中我们不需要的频率成分，用数字滤波器课实现语音信号去噪-Filter is designed to sequence the signal frequency of the data transformation, which we do not need to remove frequency components, with digital filter class voice signal denoising
signal_analsys
- 建立一个简单的语音信号加噪去噪系统。先录入语音，进行频谱分析，再分别对加噪语音信号和去噪之后的信号进行频谱分析。(A simple speech signal denoising system is proposed. First input the speech, carry on the frequency spectrum analysis, and then carry on the frequency spectrum analysis to the noisy speech sign
MATLAB
- 语音信号去噪，算法通过卡尔曼滤波器来去噪，其实现过程不是很复杂(Speech signal denoising, the algorithm through the Calman filter noise, the process is not very complicated)
小波去噪
- 使用不同的小波方法对数字信号进行去噪处理。(use wavelet to denoise)
语音信号处理
- 对一段语音信号进行读入，并加入高斯白噪声，输出原始信号和噪声信号的频谱，进行分析比较，最后去掉噪声，再对频谱进行分析。(Read a section of the voice signal, and add the Gaussian white noise, the output of the original signal and noise signal spectrum, the analysis and comparison, and finally remove the noise,
waveletdenoise
- 用于模拟微地震信号去噪，采用小波分析，构建窗函数。在压制噪声这块效果非常明显(For the simulation of microseismic signal denoising, wavelet analysis is used to construct window functions. The effect is very obvious in suppressing noise)
LIA去噪
- 软正交矢量型LIA相关器的具体实现 对微弱信号幅值和相位的检测，有效的抑制了干扰(The realization of the soft orthogonal vector LIA correlator detects the amplitude and phase of the weak signal, and effectively suppresses the interference)
信号处理
- 部分信号处理Matlab程序，如有更多需要请留言(Part of the signal processing Matlab program, if there is more need to leave a message)
nlm去噪
- 用于图像、信号的去噪，提高图像或信号的信噪比。(For image and signal denoising, to improve the image or signal to noise ratio.)
quzaocanshu
- 该程序用于计算信号去噪后的指标（平滑度、信噪比等）(The program is used to calculate the signal de-noising index (smoothness, signal to noise ratio, etc.))
小波去噪软阈值和硬阈值的matlab仿真程序
- BA于MATLAB的小波包分析在信号降噪中的应用(Application of wavelet packet analysis of BA in MATLAB to signal denoising)
基于小波变换的信号奇异性检测及去噪例程
- 文件里面主要介绍了基于小波变换的信号奇异性检测及去噪例程(example,examplee,xampl,eexamp,leexa,mpleexampleexample)
脉搏信号采集，去噪，特征提取
- 基于MATLAB的脉搏信号分析预处理，包括去噪预处理，特征提取，MATLAB-GUI界面(Preprocessing of pulse signal analysis based on MATLAB, including denoising preprocessing, feature extraction, matlab-GUI interface)
心电信号预处理
- 基于matlab的心电信号的预处理，对心电信号做去噪平滑处理(Preprocessing of ECG signals based on matlab, denoising and smoothing ECG signals)
心电信号检测与分类算法的研究
- （1）心电信号预处理 心电信号是一种低频且含有众多噪声干扰的信号。针对心电信号存在的 噪声干扰问题，本文采用了平稳小波变换结合双变量阈值的方法对其进行去 噪处理。通过对心电信号进行八层平稳小波变换，得到不同的小波系数，采 用双变量阈值函数表达式对其进行处理得到新的小波系数，最后进行逆平稳 小波变换实现小波重构，完成心电信号去噪。Matlab 仿真结果显示，本文算 法的准确率较高，信噪比达到 84.5934dB。 （2）心电信号波形识别 反映心电信号的特征部分往往是信号的突变点，因此需
对语音进行加噪、去噪、变速等处理
- 基于matlab对语音信号进行加入随机噪声、去噪滤波、变声变速等处理，并显示出相关波形和频谱图。(Based on matlab, the speech signal is processed by adding random noise, denoising and filtering, changing sound and speed, and the relevant waveforms and spectrum diagrams are displayed.)