Multiple frequency system for body composition measurement

This paper describes a multiple frequency system for body composition measurement. The system uses a fixed reference frequency method of phase locked loop to control the frequency of the excitation signal. It also uses a synchronous technique to ensure that the excitation signal is stable under vary...

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Bibliographic Details
Main Authors: Ezenwa, B.N., Couch, W., Clarence Wu, Almeyda, J.
Format: Conference Proceeding
Language:English
Subjects:
Bladder
Current control
Current measurement
Detectors
Electrodes
Frequency measurement
Impedance measurement
Phase locked loops
Signal generators
Voltage control
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Description
Summary:This paper describes a multiple frequency system for body composition measurement. The system uses a fixed reference frequency method of phase locked loop to control the frequency of the excitation signal. It also uses a synchronous technique to ensure that the excitation signal is stable under varying load at eleven frequencies. Pilot results indicate that the system could be used for body composition determination such as bladder fluid volume.
DOI:10.1109/IEMBS.1993.978985