AIRBORNE VECTOR MAGNETIC SURVEYS

An aircraft equipped for airborne vector magnetic exploration surveys comprising three magnetometers orthogonally mounted to measure the component s of the earth's vector magnetic field; two rotation sensors mounted to measur e the angular orientation of the aircraft; and a recording system to...

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Bibliographische Detailangaben
Hauptverfasser:	CHRISTENSEN, ASBJORN NORLUND, LIU, GUIMIN, DRANSFIELD, MARK
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	An aircraft equipped for airborne vector magnetic exploration surveys comprising three magnetometers orthogonally mounted to measure the component s of the earth's vector magnetic field; two rotation sensors mounted to measur e the angular orientation of the aircraft; and a recording system to record th e measurements of the magnetometers and rotation sensors. The measured angular orientation is used to orientate the measured components of the earth's vect or magnetic field to derive true vector aero-magnetic (VAM) data from airborne surveys. Also disclosed is a method for processing magnetic data by removing the permanent, induced, and eddy-current magnetic effects of the aircraft fr om the magnetic data.