• 제목/요약/키워드: powerline noise reduction

검색결과 2건 처리시간 0.018초

전원잡음과 기저선변동을 고려한 이동형 ECG 센서모듈 및 모니터링 시스템 구현 (Portable ECG Sensor Module and Monitoring System Implementation Considering Reduction of Powerline Noise and Baseline Wander)

  • 오도창;최동혁;이홍우
    • 제어로봇시스템학회논문지
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    • 제12권10호
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    • pp.1022-1028
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    • 2006
  • A portable ECG sensor module and monitoring system which has the powerline noise reduction and the baseline wander removal is proposed. A small-szie ECG sensor H/W module with the 8-bits microprocessor is implemented. The ECG waveform can be inspected anytime with PDA in real time, and transmitted to the PC through wireless LAN. Portable ECG system can offer the environment that give the lasting medical service to the elderly and the long-time hospitalized patients at the wanted place, and the system can be attached to the chair, wheel chair, treadmill, elderly walker and used to monitor the health condition of man

ECG신호의 잡음제거와 특징점 검출을 위한 웨이브렛 변환의 적용 (Using Wavelet Transforms or Characteristic Points Extraction and Noise Reduction of ECG Signal)

  • 장두봉;이상민;신태민;이건기;김남현
    • 대한의용생체공학회:학술대회논문집
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    • 대한의용생체공학회 1997년도 추계학술대회
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    • pp.435-438
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    • 1997
  • One of the main techniques or diagnosing heart disease is by examining the electrocardiogram(ECG). Many studies on detecting the QRS complex, P, and T waves have been performed because meaningful information is contained in these parameters. However, the earlier detecting techniques can not effectively extract those parameters from the ECG that is severely contaminated by noise source such 60Hz powerline interference, motion artifact and baseline drift. in this paper, we performed the extracting parameters from and recovering the ECG signal using wavelet transform that has recently been applying to various fields.

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