心电信号加入0.5Hz的基线漂移，通过0.5Hz高通滤波器，滤波后的波形与原波形的对比 ，滤波器特性曲线分析；信号加入50Hz工频漂移，通过50Hz陷波器，滤波后的波形与原波形的对比 ，滤波器特性曲线分析,ECG baseline drift by adding 0.5Hz, 0.5Hz through a high-pass filter, filtering of the waveform after the comparison with the original waveform, fi

求信号的频谱的一个源程序 读入信号noisdopp， 基于小波变换的心电信号的压缩- of signal spectrum of a source program noisdopp read signal, the compression of ecg signals based on wavelet transform

心电信号压缩，利用小波理论，基于小波变换的心电信号的压缩。-Ecg signal compression, using the theory of wavelet, the compression of ecg signals based on wavelet transform.