Magn Reson Med. 2003 Jul;50(1):214-9 doi: 10.1002/mrm.10493.

Simple analytic variable density spiral design

Kim DH, Adalsteinsson E, Spielman DM.

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