Cardiopulmonary coupling analysis method based on single lead ECG
A technology of cardiopulmonary coupling and analysis method, applied in the fields of medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as affecting the effect of cardiopulmonary coupling analysis and inaccurate estimation of cardiopulmonary coupling
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[0019] Next, the single-lead ECG-based cardiopulmonary coupling analysis method of the present invention will be described with reference to the accompanying drawings.
[0020] like Figure 7 As shown, the key steps of the cardiopulmonary coupling method of the present invention are 1) obtaining the enhanced EDR signal; 2) decomposing the RR interval sequence and the enhanced EDR signal by EMD / EEMD technology, and then decomposing the decomposition results of the two The eigenfunctions of interest are coupled to obtain cardiopulmonary coupling results. Here "interesting" refers to the meaning of "specific frequency range". For example, when performing breath analysis, the range of interest is 0.15-0.4 Hz where the breath frequency band is located.
[0021] Specifically, the heartbeat interval sequence (RR interval sequence) and EDR signal are extracted from the body surface ECG signal, and then the RR interval sequence is used as the reference input signal of the adaptive fi...
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