Data acquisition unit, system and method for geophysical data

A data acquisition system for gathering geophysical data, a corresponding method, and a data acquisition unit for use with the system and method are disclosed. The system ( 10 ) comprises a plurality of data acquisition units ( 14 ) for gathering geophysical data, each data acquisition unit ( 14 ) b...

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Bibliographic Details
Main Authors TRESIDDER JOHN DOUGLAS, GOLDEN HOWARD, DUNCAN ANDREW CHARLES
Format Patent
LanguageChinese
English
Published 02.07.2008
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETECTING MASSES OR OBJECTS
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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Summary:A data acquisition system for gathering geophysical data, a corresponding method, and a data acquisition unit for use with the system and method are disclosed. The system ( 10 ) comprises a plurality of data acquisition units ( 14 ) for gathering geophysical data, each data acquisition unit ( 14 ) being connectable to at least one sensor ( 15 ) and being arranged, during use, to gather geophysical data from the at least one sensor ( 15 ). Each data acquisition unit ( 14 ) comprises time referencing means ( 48 ) arranged to generate time reference data usable to control the time at which samples of geophysical data are taken. The system ( 10 ) further comprises means for calculating spatial derivatives between samples associated with adjacent sensors ( 15 ) connected during use to the data acquisition units ( 14 ).
Bibliography:Application Number: CN20038014374