한국인터넷방송통신학회논문지 (The Journal of the Institute of Internet, Broadcasting and Communication)

  • 제13권6호
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  • Pages.109-114
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  • 2013
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  • 2289-0238(pISSN)
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  • 2289-0246(eISSN)
한국인터넷방송통신학회 (The Institute of Internet, Broadcasting and Communication)
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적응주파수추적필터기반의 생체임피던스분석을 통한 생물학적활성점측정에 관한 연구

Measurement of the Biological Active Point using the Bio-electrical impedance analysis based on the Adaptive Frequency Tracking Filter

  • 투고 : 2013.10.10
  • 심사 : 2013.12.13
  • 발행 : 2013.12.31
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초록

낮은 저항이나 좋은 전기투과도 지점으로 알려진 생물학적 활성점(biological active points, BAP)인 BAP검출을 위한 새로운 방법으로 적응주파수추적필터와 과도이벤트검출을 기반으로 하는 생체임피던스측정시스템을 사용하는 방식에 대해 제안하였다. 이 생체임피던스장치에 다중주파수 전류주입과 전압측정 모두 표면전극을 사용하였다. 또한 마이크로컨트롤러를 통하여 적응주파수추적필터를 사용한 다중주파수요소에 의해 변조된 신호의 연속적인 복조를 처리하였다. 또한 위상공간방식의 과도이벤트검출방식이 제안된 BAP등가모델에 각주파수에 대해 적용되었다.

The biological active points (BAP) are known as low resistance spots or good electro-permeable points. In this paper, a new method for BAP detection using the bio-impedance measurement system based on the adaptive frequency tracking filter (AFTF) and the transition event detector is presented. Also, the microcontroller process continuous time demodulation of the modulated signal by multi frequency components using the AFTF. The transition event detector based on the phase space method is applied about each frequency using the BAP equivalent model which is proposed.

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참고문헌

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