Optimized gradient waveforms for spiral scanning

K. F. King, T. K F Foo, C. R. Crawford

Research output: Contribution to journalArticle

Abstract

Spiral scanning gradient waveforms can be optimized with respect to blurring from off-resonance effects by minimizing the readout time. This is achieved by maximizing the gradient amplitude during the scan so that the edge of k-space is reached as quickly as possible. Gradient hardware constraints are incorporated by considering a circuit model for the gradient coil and amplifier. The optimized gradient waveforms are determined by a set of coupled differential equations. The resulting solutions have shorter readout time than solutions that do not consider the circuit model.

Original languageEnglish (US)
Pages (from-to)156-160
Number of pages5
JournalMagnetic Resonance in Medicine
Volume34
Issue number2
DOIs
StatePublished - 1995
Externally publishedYes

Keywords

  • fast imaging
  • magnetic resonance imaging
  • spiral scanning

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Optimized gradient waveforms for spiral scanning. / King, K. F.; Foo, T. K F; Crawford, C. R.

In: Magnetic Resonance in Medicine, Vol. 34, No. 2, 1995, p. 156-160.

Research output: Contribution to journalArticle

King, K. F. ; Foo, T. K F ; Crawford, C. R. / Optimized gradient waveforms for spiral scanning. In: Magnetic Resonance in Medicine. 1995 ; Vol. 34, No. 2. pp. 156-160.
@article{355f7f6b497b422ebdeae665a406367d,
title = "Optimized gradient waveforms for spiral scanning",
abstract = "Spiral scanning gradient waveforms can be optimized with respect to blurring from off-resonance effects by minimizing the readout time. This is achieved by maximizing the gradient amplitude during the scan so that the edge of k-space is reached as quickly as possible. Gradient hardware constraints are incorporated by considering a circuit model for the gradient coil and amplifier. The optimized gradient waveforms are determined by a set of coupled differential equations. The resulting solutions have shorter readout time than solutions that do not consider the circuit model.",
keywords = "fast imaging, magnetic resonance imaging, spiral scanning",
author = "King, {K. F.} and Foo, {T. K F} and Crawford, {C. R.}",
year = "1995",
doi = "10.1002/mrm.1910340205",
language = "English (US)",
volume = "34",
pages = "156--160",
journal = "Magnetic Resonance in Medicine",
issn = "0740-3194",
publisher = "John Wiley and Sons Inc.",
number = "2",

}

TY - JOUR

T1 - Optimized gradient waveforms for spiral scanning

AU - King, K. F.

AU - Foo, T. K F

AU - Crawford, C. R.

PY - 1995

Y1 - 1995

N2 - Spiral scanning gradient waveforms can be optimized with respect to blurring from off-resonance effects by minimizing the readout time. This is achieved by maximizing the gradient amplitude during the scan so that the edge of k-space is reached as quickly as possible. Gradient hardware constraints are incorporated by considering a circuit model for the gradient coil and amplifier. The optimized gradient waveforms are determined by a set of coupled differential equations. The resulting solutions have shorter readout time than solutions that do not consider the circuit model.

AB - Spiral scanning gradient waveforms can be optimized with respect to blurring from off-resonance effects by minimizing the readout time. This is achieved by maximizing the gradient amplitude during the scan so that the edge of k-space is reached as quickly as possible. Gradient hardware constraints are incorporated by considering a circuit model for the gradient coil and amplifier. The optimized gradient waveforms are determined by a set of coupled differential equations. The resulting solutions have shorter readout time than solutions that do not consider the circuit model.

KW - fast imaging

KW - magnetic resonance imaging

KW - spiral scanning

UR - http://www.scopus.com/inward/record.url?scp=0029095343&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0029095343&partnerID=8YFLogxK

U2 - 10.1002/mrm.1910340205

DO - 10.1002/mrm.1910340205

M3 - Article

VL - 34

SP - 156

EP - 160

JO - Magnetic Resonance in Medicine

JF - Magnetic Resonance in Medicine

SN - 0740-3194

IS - 2

ER -