用窗函数法hamming设计的FIR数字低通滤波器，能够实现心电信号中随机噪声的去除,Hamming window function method with the design of FIR digital low-pass filter, ECG can be achieved in the removal of random noise

用双线性Z变换法设计IIR巴特沃思型数字低通滤波器，能够实现心电信号中随机噪声的去除。-Bilinear Z transform with the design of IIR Butterworth digital low-pass filter, ECG can be achieved in the removal of random noise.

基于肌电信号的滤波器综合设计，根据低通滤波器，高通滤波器，带阻滤波器的常用指标完成50HZ工频干扰和高、低频噪声干扰的滤波。-Based the EMGs filter design based on the low-pass filter, high pass filter, band stop filter used indicators completed 50HZ working frequency interference and the high and low frequency

MATLAB心电图自动诊断程序。围绕心电信号预处理、心电波形检侧与定位、心电特征提取与分析三个方面。研究MIT数据库中的心电信号，针对心电信号中存在的工频干扰、基线漂移、肌电干扰等各种噪声,设计出了高通、低通、带阻、平滑效果滤波器来对心电信号进行预处理，对处理后的信号采用连续小波变化进行特征点的定位及瞬时心率的计算，最后通过分析给出诊断结果。-MATLAB ECG automatic diagnosis program. Around the ECG signal preprocessing,