Showing 17,761 - 17,780 results of 102,654 for search '(( 5 ((we decrease) OR (a decrease)) ) OR ( 50 ((mean decrease) OR (nn decrease)) ))', query time: 1.18s Refine Results
  1. 17761
  2. 17762

    Measurement protocols. by Peter H. Charlton (11389289)

    Published 2025
    “…Signal quality increased as the arm was raised to heart height: whilst sitting, quality was lowest with the arm alongside the body (10.5 dB), and increased when the sensor was held in the lap (13.7 dB) and at heart height (15.5 dB) (p < 0.001). …”
  3. 17763

    Factors influencing PPG signal quality. by Peter H. Charlton (11389289)

    Published 2025
    “…Signal quality increased as the arm was raised to heart height: whilst sitting, quality was lowest with the arm alongside the body (10.5 dB), and increased when the sensor was held in the lap (13.7 dB) and at heart height (15.5 dB) (p < 0.001). …”
  4. 17764
  5. 17765
  6. 17766

    The observed levels of PPG signal quality. by Peter H. Charlton (11389289)

    Published 2025
    “…Signal quality increased as the arm was raised to heart height: whilst sitting, quality was lowest with the arm alongside the body (10.5 dB), and increased when the sensor was held in the lap (13.7 dB) and at heart height (15.5 dB) (p < 0.001). …”
  7. 17767

    The AC and DC components of the PPG signal. by Peter H. Charlton (11389289)

    Published 2025
    “…Signal quality increased as the arm was raised to heart height: whilst sitting, quality was lowest with the arm alongside the body (10.5 dB), and increased when the sensor was held in the lap (13.7 dB) and at heart height (15.5 dB) (p < 0.001). …”
  8. 17768
  9. 17769
  10. 17770
  11. 17771
  12. 17772
  13. 17773
  14. 17774
  15. 17775
  16. 17776
  17. 17777
  18. 17778
  19. 17779
  20. 17780