Method for extracting pulse waveform feature points
A technology of waveform features and extraction methods, applied in catheters and other directions, can solve the problems of unsatisfactory detection rate of irregular pulse wave signals, no obvious characteristics of wave peaks, and narrow useful signal frequency bands, etc.
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[0014] The present invention is a method for extracting pulse waveform feature points, the steps of which are:
[0015] (1) Synchronously collect ECG and pulse signals;
[0016] (2) Remove baseline drift, remove power frequency interference, remove myoelectric interference, and eliminate noise on the collected ECG signals and pulse signals;
[0017] (3) Detect and analyze ECG signals, extract ECG feature information, and accurately determine the R-wave and T-wave positions of ECG signals;
[0018] (4) Based on the position of the R wave and T wave of the ECG signal, determine the position of the main wave of the pulse signal, the descending gorge and the dicrotic wave.
[0019] Further expand the present invention below in conjunction with accompanying drawing.
[0020] The method for extracting the feature points of the pulse waveform firstly collects the ECG signal and the pulse signal synchronously, figure 1 Shown is the block diagram of the synchronous acquisit...
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