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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
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Liftwavelet
D5/3提升整数小波,可实现图像的无损压缩,包括一维和二维图像整数小波变换(D5/3 integer wavelet upgrade can realize lossless image compression, including the one-dimensional and two-dimensional image integer wavelet transform)
- 2007-07-13 16:41:18下载
- 积分:1
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waveletlegall53
Le Gall 5/3 小波变换及其反变换,可用于JPEG2000无损压缩中(Le Gall 5/3 wavelet transform and its inverse transform,which can be used for lossless compression in JPEG2000)
- 2009-03-10 11:21:49下载
- 积分:1
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gabor
gabor二维滤波器,用与表情识别!非常好用!做人脸识别,表情识别的朋友可以下载!(Facial expression recognition based on Gabor wavelets tranform!It is very useful to the people who research facial expression !)
- 2010-06-23 16:42:56下载
- 积分:1
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thresholdHSI
采用小波变换的方法实现心电信号的滤波,分别使用了硬阈值、软阈值和改进阈值方法,并实现了滤波效果的评价(均方差和信噪比)(Wavelet transform of ECG signal filtering method, respectively, using a hard threshold and soft threshold and improve the threshold method, and to achieve the filtering effect of the evaluation (both variance and signal to noise ratio))
- 2011-07-23 11:03:55下载
- 积分:1
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fsp_wavelet
希尔伯特变换法提取零相位子波的小程序,很好用!!(Hilbert transform method to extract the zero-phase wavelet procedure, easy to use! !)
- 2012-03-05 20:11:06下载
- 积分:1
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MyWaveletDenoise小波去噪
说明: 小波变换去噪方法,过滤高频低频波,C++代码(Wavelet transform denoising method, filtering high frequency low frequency wave, C ++ code)
- 2020-05-09 17:38:51下载
- 积分:1
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小波变换与集合经验模态分解
说明: 针对不同采样频率和输入信噪比的心磁信号进行滤波操作,呈现出对同一输入信号采取不同滤波算法的去噪结果。(The filtering operation is performed on the magnetic heart signals of different sampling frequencies and input signal-to-noise ratios, showing the denoising results of different filtering algorithms for the same input signal.)
- 2021-03-17 09:40:51下载
- 积分:1
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Wavelet_FORTRAN
用Fortran编写的小波变换用小程序,可实现简单的小波分析功能(Written in Fortran with a small application of wavelet transform, wavelet analysis can be simple functions)
- 2011-07-18 22:11:27下载
- 积分:1
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DenoisewaveletMod
小波模极大值去噪程序,希望对大家有用哈!(modulus maxima wavelet denoising procedures in the hope that it may be useful for Kazakhstan.)
- 2007-03-09 19:01:19下载
- 积分:1