Computer Science ›› 2017, Vol. 44 ›› Issue (10): 51-54, 70.doi: 10.11896/j.issn.1002-137X.2017.10.009

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Study of Hidden Tidal Wave Orientaion in Pulse Wave

ZHENG Gang, FAN Lin-lin, SUN Ying and DAI Min   

  • Online:2018-12-01 Published:2018-12-01

Abstract: Although the clinical significance of central arterial pressure is superior to traditional brachial artery and radial artery blood pressure,its estimation method is bound by the establishment of GTF (General Transform Function) and the tidal wave position determination of radial artery wave.In this paper,GTF was obtained by Fourier transform on published traumatic central arterial data (MIT MIMIC,MIMIC Database(minicdb)),and according to the central arterial systolic pressure value,combining with wavelet transform on radial artery wave,tidal wave position was calcula-ted.It is found that the sixth zero crossing of the radial wave pulse wave after the sym4 and haar transformations on the radial pulse wave is the concealed tidal wave position after the maximum value of the third order difference wave.The experimental results show that the accuracy of the concealed tidal wave position recognition is up to 91.11%.

Key words: Tidal wave,MIMIC,GTF,Central arterial pressure,Pulse wave

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