The impedance characteristics and limiting sensitivity of electrode electromagnetic-field sensors in seawater

The impedance characteristics and limiting sensitivity of electrode electromagnetic-field sensors in seawater

The impedance of prototypes of electrode sensors is experimentally studied in an NaCl solution. It is demonstrated that niobium, nickel, Kh18N9T stainless steel, and titanium are the most suitable materials for the electrodes. Various methods for matching the electrode sensor with the receiver are a...

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Veröffentlicht in:Journal of communications technology & electronics 2006-07, Vol.51 (7), p.738-747
1. Verfasser: Maksimenko, V G
Format: Artikel
Sprache:eng
Schlagworte:
Constraining
Electrodes
Electronics
Frequency bands
Impedance
Matching
Receivers
Sensors
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Zusammenfassung:The impedance of prototypes of electrode sensors is experimentally studied in an NaCl solution. It is demonstrated that niobium, nickel, Kh18N9T stainless steel, and titanium are the most suitable materials for the electrodes. Various methods for matching the electrode sensor with the receiver are analyzed. Transformer matching of the sensor with the receiver is recommended. At a frequency band of 1 Hz, the limiting sensitivity is no greater than 0.2 nV.[PUBLICATION ABSTRACT]
ISSN:1064-2269
1555-6557
DOI:10.1134/S1064226906070023