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Field gradient correction apparatus for compensating static field inhomogeneities in NMR imaging system
Field gradient correction apparatus for compensating static field inhomogeneities in NMR imaging system
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机译:用于补偿核磁共振成像系统中静态场不均匀性的场梯度校正装置
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摘要
Selective excitation is used to excite to resonance nuclear spins in a predetermined planar slice of a target. The received NMR signals are then used to correct non-homogenity of a static magnetic field based upon the calculated spin-spin relaxation time T.sub.2 * of the observed NMR signal.
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