A Fast Method for Designing Time-Optimal Gradient Waveforms for Arbitrary k-Space Trajectories.

A Fast Method for Designing Time-Optimal Gradient Waveforms for Arbitrary k-Space Trajectories. Research Abstract Details 

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A Fast Method for Designing Time-Optimal Gradient Waveforms for Arbitrary k-Space Trajectories. Abstract Text:

A fast and simple algorithm for designing time-optimal waveforms is presented. The algorithm accepts a given arbitrary multidimensional k-space trajectory as the input and outputs the time-optimal gradient waveform that traverses k-space along that path in minimum time. The algorithm is noniterative, and its run time is independent of the complexity of the curve, i.e., the number of switches between slew-rate limited acceleration, slew-rate limited deceleration, and gradient amplitude limited regions. The key in the method is that the gradient amplitude is designed as a function of arc length along the k-space trajectory, rather than as a function of time. Several trajectory design examples are presented.

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A Fast Method for Designing Time-Optimal Gradient Waveforms for Arbitrary k-Space Trajectories. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: IEEE transactions on medical imaging

VOLUME: 27

Page Numbers: 866-73

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ISSN: 0278-0062

DAY: 10

MONTH: Jun

YEAR: 2008

A Fast Method for Designing Time-Optimal Gradient Waveforms for Arbitrary k-Space Trajectories. Information

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LANGUAGE: eng

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MEDLINETA: IEEE Trans Med Imaging

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