Optimal control design of pulse shapes as analytic functions
Thomas E Skinner1, Naum I Gershenzon
1Physics Department, Wright State University, Dayton, OH 45435, USA. thomas.skinner@wright.edu
Journal of Magnetic Resonance (San Diego, Calif. : 1997)
|April 2, 2010
Summary
Analytic functions optimize Nuclear Magnetic Resonance (NMR) pulse shapes for better performance. A new method combines analytic and numerical approaches for more efficient and smoother pulse generation.
Area of Science:
- Nuclear Magnetic Resonance (NMR) spectroscopy
- Quantum control theory
Background:
- Analytic functions are commonly used to represent Nuclear Magnetic Resonance (NMR) pulse shapes for performance optimization.
- Optimal control theory offers advanced capabilities for tackling complex optimization problems but often produces numerically generated pulses that lack smoothness and functional form integration.
Purpose of the Study:
- To develop a novel optimal control methodology for generating NMR pulse shapes.
- To combine the advantages of analytic and numerical pulse shaping techniques into a unified algorithm.
Main Methods:
- Derivation of an optimal control methodology for creating parameterized analytic functions for NMR pulse shapes.
- Integration of numerical and analytic protocols within a single algorithm.
Main Results:
- The derived methodology generates pulse shapes as simple parameterized functions.
- The combined approach enhances existing optimization strategies for NMR pulse shaping.
- Pulses generated are smoother and incorporate functional form capabilities.
Conclusions:
- The new methodology bridges the gap between analytic and numerical methods in NMR pulse shaping.
- This approach offers a powerful tool for optimizing NMR experiments with improved pulse fidelity and efficiency.
- It provides a more practical and versatile solution for generating NMR pulse shapes, especially for hardware with implementation constraints.
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