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Frequency-domain Analysis of ECG Signal |
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| Authors: | Tu Chengyuan Zeng Yanjun and Li Shuxin |
| Abstract: | A new simple approach to effectively detect QRS-T complexes in ECG curve is described, so as to easily get the P-wave (when AF does not happen) or the f-wave (when AF happens). By means of signal processing techniques such as the power spectrum function,the auto-correlation function and cross-correlation function, two kinds of ECG signal when AF does or does not happen were successively analyzed, showing the evident differences between them. |
| Keywords: | ECG curve P-wave f-wave histogram AF(atrial fibrillation) cross-correlation power spectrum auto-correlation |
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