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Method and apparatus for removing baseline wander from an ECG signal
Method and apparatus for removing baseline wander from an ECG signal
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机译：从ECG信号中消除基线漂移的方法和装置
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摘要
According to one aspect of the present invention, ECG monitor that is ameliorated include pluralities of electrodes attached to the patient's body to pick up an ECG signal ECG signal band. The input of the plurality of amplifiers, the electrodes are electrically coupled. Digital converter ("ADC"), so as to digitize the ECG signal is electrically coupled to the amplifier input - at least one analog. Filter has an internal finite impulse response ("FIR") low-pass filter characterized by a trapezoidal impulse response substantially wander digital baseline. Filter wander the base line, to remove, the signal component baseline wander with a range of frequency components of the ECG signal band below. One of the ECG signal, the ECG waveform output signal is the ECG waveform baseline represents the filter, or more. From the ECG signal, only 2 seconds or less, ECG waveform output signal from the ECG monitor is improved, is delayed.
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