语音参数短时能量，短时过零率，短时平均幅度，语音端点检测，fft变换与反变换-Voice parameters of short-time energy, short-time zero-crossing rate, short-term average rate, voice activity detection, fft transform and inverse transform

This Matlab program filters the baseline drift in ECG signals using different techniques: - median filtering - moving average filtering - first order Kalman Smoother Filter - first order zero-phase Lowpass filter - Bandpass filter using