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脉搏信号降噪

于 2012-06-18 发布 文件大小:6189KB
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  文基于小波分析的特点,提出了一种对信号进行多重小波 变换的自适应去噪法,该方法不仅克服了小波去噪软硬阈值法的局限性,而且解决了自适应滤波中参考信号选取难的 问题,将该方法用于脉搏信号降噪,得到了满意的去噪效果。(The text features based on wavelet analysis, proposed an adaptive multi-wavelet transform for signal denoising method, this method not only overcomes the limitations of hard and soft thresholding method of wavelet de-noising, and resolve the reference signal adaptive filtering Select the difficult problem of the method is used to the noise of the pulse signal, and been satisfied with the denoising effect.)

文件列表:

maidongxinhao
.............\倒谱技术在人体脉搏信号分析中的应用.pdf,122899,2012-03-05
.............\基于SOPC的人体脉搏信号监测及存储系统设计 (1).pdf,5416545,2012-03-05
.............\基于VB与Access的脉搏信号处理系统的设计 (1).pdf,312436,2012-03-05
.............\基于动态图像的多点脉搏信号检测方法 (1).pdf,510341,2012-03-05
.............\基于多重小波变换的自适应脉搏信号去噪 (1).pdf,259007,2012-03-05

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  • ISARchengxiangfangzhen
    设定雷达和目标参数,选取目标中心与雷达的距离为参考距离,采取dechirp方式接收信号,直接对回波信号进行二维FFT得到的成像结果,并采用Keystone法(即重采样法)校正越距离单元徙动。(Set the radar and the target parameters, select the center of the target and the distance from the radar as the reference distance, take reception dechirp signal, directly on the echo signals, the imaging results obtained by the two-dimensional FFT, and the Keystone method (i.e., re-sampling) Vietnam correction range cell migration.)
    2013-05-20 15:43:22下载
    积分:1
  • Wavelet-signal-
    小波信号分解与重构的Matlab程序,程序里边涉及卷积的直接调用的Matlab的conv()函数。(Wavelet signal decomposition and reconstruction in Matlab,Program inside invoked directly related to the convolution of Matlab conv () function.)
    2011-11-04 21:32:13下载
    积分:1
  • FractionalCalculusandWavelettansforms
    该文讲解了分数阶微积分和小波变换之间的关系,很不错的论文(The article explained the fractional calculus and the relationship between the wavelet transform, a very good paper)
    2010-12-19 20:22:35下载
    积分:1
  • radar programs
    雷达系统设计部分信号处理程序,包括部分目标和干扰模型、匹配滤波、波形设计、多普勒处理、门限检测及恒虚警率等方面信号处理的程序(Signal processing program for radar system design)
    2018-04-09 10:37:08下载
    积分:1
  • 应用Matlab对语音信号进行频谱分析及滤完整代码
    说明:  用MATLAB编程实现实现滤波,与数字信号处理相关(Implementing filtering)
    2020-06-24 18:00:02下载
    积分:1
  • cs_wave_ronghe_way3_dec4_test
    这是采用小波变换以及压缩感知的理论编写的图像融合程序(This is the wavelet transform and the theory of compressed sensing image fusion program written in)
    2011-07-22 12:09:40下载
    积分:1
  • wavelet4
    小波分析程序,用于小波包分析,小波树的建立,剪切,分解等等(Wavelet analysis procedures for the wavelet packet analysis, wavelet tree establishment, cut, break, etc.)
    2010-11-15 20:58:57下载
    积分:1
  • 广义S及逆
    说明:  广义S变换及其逆变换代码,可以直接进行属性分析(Generalized S-transform and its inverse transform code can be used for attribute analysis directly)
    2020-05-28 21:58:36下载
    积分:1
  • XIAOBOQUZAO
    小波分析在心电信号去噪中的应用,小波变换在心电图数据处理中的应用研究(Wavelet analysis of ECG signal denoising)
    2014-03-26 19:35:25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
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