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

本程序主要应用是，心电信号自动分析算法研究的第一个关键步骤——心电信号预处理。此处采用了数字滤波的方法，主要针对心电信号的肌电和其它高频干扰噪声，进行滤除。-The main application of this procedure is that the first key step algorithm for automatic analysis of ECG- ECG pretreatment. Here the use of digital filtering methods, mai