NOISE REDUCTION SYSTEMS AND METHODS FOR A GEOPHYSICAL SURVEY CABLE

NOISE REDUCTION SYSTEMS AND METHODS FOR A GEOPHYSICAL SURVEY CABLE

A disclosed geophysical survey cable includes a signal amplifier coupled between two electrodes spaced apart along the length of the geophysical survey cable (the electrodes being coupled to the signal amplifier by a first conductor pair), and a noise amplifier coupled to a second conductor pair pos...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JUHASZ ROBERT, VERRAS PANAGIOTIS, SUEDOW MATTIAS, SKOGMAN JOEL, LINDQVIST PETER
Format: Patent
Sprache:eng
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:A disclosed geophysical survey cable includes a signal amplifier coupled between two electrodes spaced apart along the length of the geophysical survey cable (the electrodes being coupled to the signal amplifier by a first conductor pair), and a noise amplifier coupled to a second conductor pair positioned substantially parallel to the first conductor pair. The geophysical survey cable further includes a combiner that combines a noise signal provided by the noise amplifier with a sensor signal provided by the signal amplifier to provide a sensor signal with a reduced noise component.