An iterative technique for refinement of RF Pulses for magnetic resonance imaging
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Recent advances in non-Fourier-based magnetic resonance imaging (MRI) methods have created a need for spatially-selective RF Pulses. In applications such as wavelet-encoded imaging, narrow profile excitations are necessary for effective image reconstructions. In this paper we discuss problems with Fourier-based imaging, and then present an iterative technique which is implemented on a host imaging computer. This method of RF pulse optimization produces considerably accurate pulses for certain target profiles.