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Study of R.f., Gradient Pulse and Magnet Instability Effect in NMR Tomography

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6 Author(s)
Oh, C.H. ; Korea Advanced Institute of Science, Seoul, Korea ; Kim, H.S. ; Park, H.W. ; Kim, W.S.
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Newly emerged NMR imaging requires careful studies on r. f. pulse shapes and sequencing for the selection of the region, gradient pulsing for the 2- or 3-D spatial coding, and suitable signal handling technique for the compensation of the inherent instability of the system, especially fluctuation of the static magnetic field. Above subjects are discussed in detail and a new method which would be useful for the line integral projection reconstruction is proposed. The method could equally be applied to other 3-D NMR imaging techniques such as KWE (Kumar-Welti-Ernst) direct Fourier reconstruction or planar integral projection type reconstruction.

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Nuclear Science, IEEE Transactions on  (Volume:30 ,  Issue: 3 )