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Simple analytic spiral K-space algorithm
DOI:10.1002/(SICI)1522-2594(199908)42:2<412::AID-MRM25>3.0.CO;2-U.png)
Abstract
En 中文
The exact, hardware-constrained design of a spiral k-space trajectory requires the solution of a differential equation, thereby making real-time prescription difficult on scanners with limited computational power. This study describes a closed-form approximate solution for interleaved Archimedian spiral trajectories that closely matches the exact design. Both slew rate-limited and amplitude-limited regimes are incorporated. Magn Reson Med 42:412-415, 1999. (C) 1999 Wiley-Liss, Inc.
Keywords:
spiral k-space trajectory design
spiral magnetic resonance imaging
rapid magnetic resonance imaging
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