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Magn Reson Med. 2003 Jul;50(1):214-9.

Simple analytic variable density spiral design.

Author information

1
Radiological Sciences Laboratory, Department of Radiology, Stanford University, Stanford, California 94305-5488, USA. dhkim@stanford.edu

Abstract

Variable density spirals have been proposed in a variety of applications, including MR fluoroscopy, cardiac imaging, and MR spectroscopic imaging. In this work, a simple analytic solution for designing a flexible set of variable density spiral trajectory waveforms is presented. The method enables real-time waveform prescription on scanners with limited computational power. Both slew rate-limited and amplitude-limited regimes are incorporated in the design process.

PMID:
12815699
DOI:
10.1002/mrm.10493
[Indexed for MEDLINE]
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