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Compensation of SQUID gradient data in a magnetic tensor gradiometer system for airborne exploration
Author(s) -
Ji Shuangxi,
Zhang Huai,
Guo Ziqi
Publication year - 2019
Publication title -
acta geologica sinica ‐ english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 61
eISSN - 1755-6724
pISSN - 1000-9515
DOI - 10.1111/1755-6724.14116
Subject(s) - chinese academy of sciences , beijing , geodynamics , gradiometer , china , key (lock) , library science , computer science , geography , geology , physics , seismology , archaeology , computer security , magnetometer , quantum mechanics , magnetic field , tectonics
Aeromagnetic exploration is an important prospecting method in geophysics. Starting in 1997, a SQUID based gradiometer system has been developed, which makes it possible to directly measure the gradient tensor components and has many advantages compared to conventional TMI measurements. Meanwhile, questions have been raised about the compensation due to its high sensitivity. Therefore, the aeromagnetic compensation method urgently needs improvement.