โ Scribed by L. Van Bockstal
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๐ SIMILAR VOLUMES
## Abstract A major problem in the development of high field (>100 MHz) large volume (>6000 cm^3^) MR coils is the interaction of the coil with the subject as well as the radiation loss to the environment. To reduce subject perturbation of the coil resonance modes, a volume coil that uses an array
A common mistake in biomagnetic experimentation is the assumption that Helmholtz coils provide uniform magnetic fields; this is true only for a limited volume at their center. Substantial improvements on this design have been made during the past 140 years with systems of three, four, and five coils
This paper presents a design method of ultrasonic motors using finite element analysis and subproblem approximation method. It adopts the finite element method for modal analysis and harmonic analysis of the motor, and subproblem approximation method for searching the optimal solution of design vari