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The nuclear spin-echo signals under combined action of magnetic field and RF pulses

✍ Scribed by A. M. Akhalkatsi; G. I. Mamniashvili; T. I. Sanadze


Publisher
Springer Vienna
Year
1998
Tongue
English
Weight
778 KB
Volume
15
Category
Article
ISSN
0937-9347

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## Abstract Calculations of the RF magnetic (__B__~1~) field as a function of frequency between 64 and 345 MHz were performed for a head model in an idealized birdcage coil. Absorbed power (__P__~abs~) and SNR were calculated at each frequency with three different methods of defining excitation pul