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1b3f6358

于 2020-12-15 发布
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下载积分: 1 下载次数: 7

代码说明:

说明:  CEEMDAN和EEMD等去噪方法的合集(CEEMDAN/EEMD/EMD:Collection of various denoising methods)

文件列表:

1b3f6358, 0 , 2020-11-13
1b3f6358\去噪整合, 0 , 2020-11-13
1b3f6358\去噪整合\DATA073001.mat, 72914 , 2018-08-02
1b3f6358\去噪整合\DATA080301.mat, 84013 , 2018-08-03
1b3f6358\去噪整合\ceemdan.m, 3560 , 2018-08-03
1b3f6358\去噪整合\eemd.m, 5276 , 2018-08-03
1b3f6358\去噪整合\emd.m, 22274 , 2018-08-03
1b3f6358\去噪整合\extrema.m, 4361 , 2018-08-03
1b3f6358\去噪整合\main_quzao.m, 1821 , 2020-11-13
1b3f6358\去噪整合\ssa1.m, 2973 , 2018-08-03

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  • subtraction-speech-denoising
    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 )
    2020-12-02 20:29:26下载
    积分:1
  • gaga
    基于小波变换的ECG信号去噪系统设计,在信号采集时,身体的任一微小运动都会产生“基线漂移”,这是一种低频干扰,同时,由于肌电的存在又产生了高频的肌电噪声,由于空间电磁场的存在又使心电信号中混有50Hz的工频干扰。这些噪声不去除,就会影响下一步的信号处理。 综合运用数字信号处理的理论知识进行生物医学信号增强系统设计,实现ECG信号的去噪,从而加深对小波变换及其应用的理解,建立概念多分辨分析的概念,加深理解信号增强的原理、方法和步骤。本设计的主要内容是设计一个基于小波变换的ECG信号去噪系统,实现ECG信号的去噪。 (ECG signal denoising based on wavelet transform system design, signal acquisition, any small movement of the body will have a " baseline drift" , which is a low-frequency interference, while the high frequency due to the existence of the EMG muscle electrical noise due to the presence of electromagnetic field and the ECG signal mixed with a 50Hz power frequency interference. The noise is not removed, it will affect the next step in the signal processing. Use the theoretical knowledge of digital signal processing for biomedical signal enhancement system design to achieve the de-noising of ECG signal, so as to deepen understanding of the wavelet transform and its applications, to establish the concept of multi-resolution analysis of the concept, deepen the understanding of signal enhancement of the principle, the method and steps. The main elements of this design is the design of an ECG signal denoising based on wavelet transform denoising the ECG signals.)
    2012-07-07 16:25:58下载
    积分:1
  • xiaobobianhuan
    小波变换光谱数据预处理阈值平滑处理用于光谱数据(xiaobobianhuan yuchuli )
    2009-06-24 09:41:13下载
    积分:1
  • raj
    this is mat lab wavelet paper
    2009-10-27 13:45:04下载
    积分:1
  • Desktop
    实现心电信号的去噪处理以及波形变化,提取信号周期,同时标记波形的起始点和结束点(Denoising ECG waveform changes, signal extraction cycle, at the same time mark waveform start and end points)
    2020-10-29 15:19:58下载
    积分:1
  • neural input 005
    wavelet transform to analyze fault for fault location determining
    2018-03-20 17:19:17下载
    积分:1
  • 说明:  图像小波变换,小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的“时间-频率”窗口,是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征,能对时间(空间)频率的局部化分析,通过伸缩平移运算对信号(函数)逐步进行多尺度细化,最终达到高频处时间细分,低频处频率细分,能自动适应时频信号分析的要求,从而可聚焦到信号的任意细节,解决了Fourier变换的困难问题,成为继Fourier变换以来在科学方法上的重大突破。(Image Wavelet Transform)
    2020-06-18 04:40:01下载
    积分:1
  • xsj
    基于小波变换的碰磨故障信号的特征提取,可以画出信号原图,轴心轨迹,频谱图以及多层小波变换的重构信号(Based on wavelet transform rubbing fault signal feature extraction, the signal can be drawn artwork, orbit, spectrum and signal reconstruction wavelet multi-)
    2010-06-13 17:03:46下载
    积分:1
  • 对图像实现拉东
    说明:  可以对图像实现拉东变换,包含了原始图像与程序,可以自行修改(Radon transform of image can be realized)
    2019-04-08 19:34:23下载
    积分:1
  • xunhuandb2IDWT
    本代码是小波包学习和使用的初学代码,简单改造可对信号进行滤波,去噪,实现我们需要的各种功能(xiaobobao )
    2020-10-30 20:09:55下载
    积分:1
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