VECTOR MAGNETIC DATA PROCESSING
This invention concerns airborne geophysical surveys and the processing of vector magnetic data from those surveys to remove the aircraft effect. Coefficients representing the permanent and induced magnetic effects are calculated from data obtained during a calibration flight, with reference to the...
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| creator | CHRISTENSEN, ASBJORN NORLUND LIU, GUIMIN DRANSFIELD, MARK |
| description | This invention concerns airborne geophysical surveys and the processing of vector magnetic data from those surveys to remove the aircraft effect. Coefficients representing the permanent and induced magnetic effects are calculated from data obtained during a calibration flight, with reference to the aircraft coordinate system. Then an airborne geophysical survey flight i s conducted, and the permanent and induced magnetic effects are removed from t he survey flight data in the aircraft coordinate system. The corrected survey flight data is rotated into the NED coordinate system, and the eddy-current effect is removed from the corrected survey data in the NED coordinate syste m. |
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Coefficients representing the permanent and induced magnetic effects are calculated from data obtained during a calibration flight, with reference to the aircraft coordinate system. Then an airborne geophysical survey flight i s conducted, and the permanent and induced magnetic effects are removed from t he survey flight data in the aircraft coordinate system. The corrected survey flight data is rotated into the NED coordinate system, and the eddy-current effect is removed from the corrected survey data in the NED coordinate syste m.</description><edition>7</edition><language>eng ; fre</language><subject>DETECTING MASSES OR OBJECTS ; GEOPHYSICS ; GRAVITATIONAL MEASUREMENTS ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040415&DB=EPODOC&CC=CA&NR=2501121A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040415&DB=EPODOC&CC=CA&NR=2501121A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHRISTENSEN, ASBJORN NORLUND</creatorcontrib><creatorcontrib>LIU, GUIMIN</creatorcontrib><creatorcontrib>DRANSFIELD, MARK</creatorcontrib><title>VECTOR MAGNETIC DATA PROCESSING</title><description>This invention concerns airborne geophysical surveys and the processing of vector magnetic data from those surveys to remove the aircraft effect. Coefficients representing the permanent and induced magnetic effects are calculated from data obtained during a calibration flight, with reference to the aircraft coordinate system. Then an airborne geophysical survey flight i s conducted, and the permanent and induced magnetic effects are removed from t he survey flight data in the aircraft coordinate system. The corrected survey flight data is rotated into the NED coordinate system, and the eddy-current effect is removed from the corrected survey data in the NED coordinate syste m.</description><subject>DETECTING MASSES OR OBJECTS</subject><subject>GEOPHYSICS</subject><subject>GRAVITATIONAL MEASUREMENTS</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAPc3UO8Q9S8HV093MN8XRWcHEMcVQICPJ3dg0O9vRz52FgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8c6ORqYGhoZGho6GxkQoAQCLtCD2</recordid><startdate>20040415</startdate><enddate>20040415</enddate><creator>CHRISTENSEN, ASBJORN NORLUND</creator><creator>LIU, GUIMIN</creator><creator>DRANSFIELD, MARK</creator><scope>EVB</scope></search><sort><creationdate>20040415</creationdate><title>VECTOR MAGNETIC DATA PROCESSING</title><author>CHRISTENSEN, ASBJORN NORLUND ; LIU, GUIMIN ; DRANSFIELD, MARK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2501121A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2004</creationdate><topic>DETECTING MASSES OR OBJECTS</topic><topic>GEOPHYSICS</topic><topic>GRAVITATIONAL MEASUREMENTS</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>CHRISTENSEN, ASBJORN NORLUND</creatorcontrib><creatorcontrib>LIU, GUIMIN</creatorcontrib><creatorcontrib>DRANSFIELD, MARK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHRISTENSEN, ASBJORN NORLUND</au><au>LIU, GUIMIN</au><au>DRANSFIELD, MARK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VECTOR MAGNETIC DATA PROCESSING</title><date>2004-04-15</date><risdate>2004</risdate><abstract>This invention concerns airborne geophysical surveys and the processing of vector magnetic data from those surveys to remove the aircraft effect. Coefficients representing the permanent and induced magnetic effects are calculated from data obtained during a calibration flight, with reference to the aircraft coordinate system. Then an airborne geophysical survey flight i s conducted, and the permanent and induced magnetic effects are removed from t he survey flight data in the aircraft coordinate system. The corrected survey flight data is rotated into the NED coordinate system, and the eddy-current effect is removed from the corrected survey data in the NED coordinate syste m.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | VECTOR MAGNETIC DATA PROCESSING |
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