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

数字滤波器设计及在心电信号滤波中的应 心电信号采集 心电信号分析 含噪心电信号合成-Digital filter design and filtering of the ECG should be collected ECG ECG ECG analysis of noisy synthetic

利用聚类算法和小波分析进行声发射信号的阈值去噪 -The use of clustering algorithms and thresholding wavelet analysis of acoustic emission signals

基于小波阈值去噪的麦克风阵列语音增强方法-Wavelet thresholding microphone array speech enhancement based