Light Plethysmographic Measurements
Omer E. H. Hamid, and Moncef Ben Ali, and Mohieddine Ben Ali, (1997) Light Plethysmographic Measurements. Jurnal Fizik Malaysia, 18 (4). pp. 125-136. ISSN 0128-0333
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Gezira University. Faculty of Science and Technology. Electronics and Instrumentation. Dept. of Applied Physics.["lib/metafield:join_corp_creators" not defined]Universiti Sains Malaysia. School of Physics.
A circuit is designed for light plethysmographic measurements. The signal was interfaced to a PC via a card and analyzed by an interactive program, the IP-Coach. The forward and the reverse blood flow at a fingertip is clearly shown and a reflection coefficient was then obtained. Fourier transforms and phase diagrams were carried out to highlight features of the finger pressure pulse wave.
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|Subjects:||Q Science, Computer Science|
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