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The approach to steady state using homogeneous and Cartesian coordinates.

D F Gochberg1, Z Ding

  • 1Department of Radiology and Radiological Sciences, Vanderbilt University Institute for Imaging Science. Vanderbilt University, Nashville, TN 37232-2675, USA. daniel.gochberg@vanderbilt.edu

Computational and Mathematical Methods in Medicine
|August 29, 2013
PubMed
Summary
This summary is machine-generated.

Achieving a steady-state in magnetic resonance systems is possible through RF pulse sequences. This study enhances analytic methods for faster calculations by comparing homogeneous and Cartesian coordinate systems.

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Area of Science:

  • Magnetic Resonance Imaging
  • Quantum Mechanics
  • Physical Chemistry

Background:

  • Magnetic resonance systems reach a steady-state under repeated radiofrequency (RF) pulse and magnetic field gradient sequences.
  • Numerical methods can model this trajectory, but analytic solutions offer deeper insights and computational efficiency.
  • Previous work introduced analytic analysis using homogeneous coordinates.

Purpose of the Study:

  • To further develop analytic methods for understanding magnetic resonance steady-states.
  • To compare the advantages of homogeneous versus Cartesian coordinate systems in this analysis.
  • To provide a faster and more insightful approach to magnetic resonance system calculations.

Main Methods:

  • Developing analytic solutions for magnetic resonance system dynamics.
  • Utilizing homogeneous coordinates for system analysis.
  • Comparing analytic results obtained from homogeneous and Cartesian coordinate systems.

Main Results:

  • Analytic analysis provides superior insight and speed compared to numerical methods for magnetic resonance steady-states.
  • Homogeneous coordinate systems offer distinct advantages in the analytic treatment of these systems.
  • The study quantifies the relative merits of homogeneous versus Cartesian approaches.

Conclusions:

  • Analytic methods, particularly using homogeneous coordinates, offer significant advantages for understanding and calculating magnetic resonance system steady-states.
  • This work refines analytic techniques, enabling faster and more insightful magnetic resonance system analysis.
  • The comparison provides guidance on selecting appropriate coordinate systems for specific magnetic resonance applications.