Title :
Maximum Frequency Indication: Minima Counting Versus Zero-Crossing Counting
Author :
Becker, Allen ; Mackay, R.Stuart
Author_Institution :
Department of Biology, Boston University
fDate :
3/1/1982 12:00:00 AM
Abstract :
Certain Doppler blood flow measurements are well done by extracting the greatest momentarily present frequency; an alternative method involving counting of minima is presented, along with a circuit type that directly produces a volume-indicating integral.
Keywords :
Bandwidth; Biomedical measurements; Blood flow; Circuits; Displays; Frequency; Pacemakers; Pulse measurements; Time measurement; Transfer functions; Blood Flow Velocity; Doppler Effect; Electronics, Medical; Humans;
Journal_Title :
Biomedical Engineering, IEEE Transactions on
DOI :
10.1109/TBME.1982.324890
