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心电信号滤波,数字信号处理课后试验,其中有源程序,频谱图,滤波图-ECG filtering, digital signal processing OSCAR test, which is the source, the spectrum, filtering plan
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利用VC++编程实现的心电信号的检测,包括心电信号的读取、显示,滤波放大、相关生理参数的计算以及相关简单心脏疾病的诊断等。-Using VC++ programming of the ECG signal detection, including the ECG read, display, filtering amplification, related to the calculation of physiological parameters and the associated simp
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心电信号的计算机分析
通过理论结合实际,用C语言编程对MIT心电信号数据进行分析,实现低通滤波、高通滤波、QRS检测、特征提取、心律失常分析,从中了解和掌握数字信号处理的方法和应用。
-ECG computer analysis by the theory with reality, and C language programming on the MIT ECG data analysis, low-pass filter, high pass filtering, QRS dete
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华中理工大学 林家瑞 教授的《生物医学数字信号处理》书附带的软盘,里面有心心电(ECG)信号发生器和滤波等分析软件源码,对心电信号的处理分析非常有用。
-Huazhong University of Science and Technology, Professor Lin Jiarui Biomedical Digital Signal Processing " book that came with a floppy disk, which the the Xinxin powe
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输入信号: cm.txt 含有胎儿和母亲的心电信息的混合心
电信号.
mother1024.txt 母亲的心电信号
参数: 抽样频率:200Hz
数据长度:1024
要求: 用自适应滤波的LMS算法抵消掉混合心电信号中
母亲的心电信号。
注意u和N的选取,在报告中说明u和N的选取对滤
波结果的影响。
自适应滤波By莫小凯-Input signal: cm.txt containing the fetus and the mother o
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ecg signal enhancenced using 3 different adaptive filtering techniques lms,nlms,clms
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ECG signal filtering ,detecting QRS complex from ECG signal,finding psnr of ECG signal,applying EMD on ECG signal ,Applying wavelet on ECG signal
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the code is to read an ecg signal,preprocess it by doing normalization and bandpass filtering.then the features are extracted using dual tree complex wavelet transform.
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维纳滤波对心电信号去噪,最基本的希望有用-Wiener filtering of the ECG signal de-noising, the most basic hope useful
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Decoupling, restore the original signal, ECG data and includes source code written in MATLAB, The signal spectral analysis and filtering.
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ECG data and includes source code written in MATLAB, Virtual power wireless sensor network coverage, The signal spectral analysis and filtering.
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基于LMS算法的自适应滤波器用于滤除心电信号中的50Hz干扰(An Self-Adaptive Filter Based On LMS Algorithm
for Filtering 50Hz Interference in ECG Signal)
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(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
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心电信号多种滤波方式比较;中值滤波、自适应滤波等等(Comparison of various filtering methods of ECG signal, such as median filtering, adaptive filtering and so on)
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