搜索资源列表
CompFinal
- 用Matlab实现的心电信号的处理源程序,ECG,预处理,滤波-Matlab achieved by the handling of source ECG, ECG, pre-processing, filtering
yuyinquzao
- 利用Matlab进行语音信号滤波和去噪,仅供参考-Using Matlab voice signal filtering and de-noising for reference purposes only
LMS
- 是用matlab仿真lms算法,对加有随机噪声的信号用自适应滤波去噪。-Lms with matlab simulation algorithm, plus a random noise signal adaptive filtering noise.
filterwei
- 一种滤波器,可以实现信号的基本基线漂移、去噪和滤波等功能,主要是基于matlab来实现的,仅供大家参考-A filter, can realize the basic signal baseline drift, noise and filtering, and other functions, is primarily based on matlab to realize, only for your reference
nounan
- 实现了图像的加水印,去噪,加噪声等功能,对信号进行频谱分析及滤波,在matlab环境中自动识别连通区域的大小。- Realize image watermarking, de-noising, plus noise and other functions, The signal spectral analysis and filtering, Automatic identification in the matlab environment the size of the connected
wiener filtering
- 实现了维纳滤波对语音信号的去噪,输入一段音频文件,取单声道,加噪声后进行滤波(Wiener filtering The Wiener filter is used to denoise the speech signal, input a segment of audio file, take the single channel, and filter the noise after adding the noise)
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.)
