An instrument system for low-frequency (10−3-103 Hz) impedance measurements

An instrument system for low-frequency (10−3-103 Hz) impedance measurements

An instrument system is presented for impedance measurements in the frequency range 10 −3 -10 3 Hz. The instrument features a three-frequency sinusoidal source with digital data acquisition. The former shortens the experimental duration whereas the latter facilitates simple computer analysis for the...

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Veröffentlicht in:IEEE transactions on instrumentation and measurement 1986-09, Vol.IM-35 (3), p.287-292
Hauptverfasser: Morgan, F. D., Madden, T. R., Bennett, B. R.
Format: Artikel
Sprache:eng
Schlagworte:
Atmospheric measurements
Generators
Geophysical measurements
Impedance
Impedance measurement
Instruments
Time-frequency analysis
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Beschreibung
Zusammenfassung:An instrument system is presented for impedance measurements in the frequency range 10 −3 -10 3 Hz. The instrument features a three-frequency sinusoidal source with digital data acquisition. The former shortens the experimental duration whereas the latter facilitates simple computer analysis for the impedance. The system performs well even for cases with superimposed dc drifts. The results of some illustrative experiments are also presented.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.1986.6499211