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KMID : 0861119990030010173
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Korean Journal of Oriental Preventive Medicine
1999 Volume.3 No. 1 p.173 ~ p.179
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Analysis of Fourier Amplitude of Pulse Wave with Varying Contact Pressure
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Yoon Young-Jun
Lee Myeong-Hwa
Shin Hak-Soo
Johng Hyun-Min
Cho Johng-Hyun
Soh Kwang-Sup
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Abstract
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We investigate how the frequency and the Fourier amplitude of the pulse wave behave as the contact pressure of the sensor on the skin increases. The results are that the fundamental frequency of the pulse wave hardly changes and the Fourier amplitude has several different patterns depending on the personal constitution, and its patterns are classified. We also show that the classified patterns can be related to the different pulse types by the magnitude of the pressure required to reach the maximum Fourier amplitude and the range of the pressure at which the maximum Fourier amplitude is maintained.
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