𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A study of optimization of the complex hyperbolic secant inversion pulses

✍ Scribed by Jintong Mao; C. Virapongse; J. R. Fitzsimmons


Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
315 KB
Volume
13
Category
Article
ISSN
0740-3194

No coin nor oath required. For personal study only.

✦ Synopsis


The conjugate gradient method is used to optimize the inversion slice profile produced by complex hyperbolic secant selective pulses. An improved quality is obtained for the inversion slice profile at a price, however, of a lower immunity to the amplitude variation of radiofrequency pulses.


πŸ“œ SIMILAR VOLUMES


Pulsed electric dichroism studies of the
✍ A.R. Foweraker; B.R. Jennings πŸ“‚ Article πŸ“… 1974 πŸ› Elsevier Science βš– 854 KB

The anisotropic optical absorption of macromolecules can be studied, when the molecules are in dilute solution, by subjecting the system to pulsed electric fields. Measurements were made on solutions of six amylose samples of varying molecular weights (M) in the range 1.4 x 10' to 1 x 106, after the

A theoretical study of the inversion bar
✍ Larry A. Curtiss πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 English βš– 452 KB

The barrier to inversion in NF$ has been studied using ab initio molecular-orbital theory including geometry optimization at the correlation energy level. The barrier is predicted to be 12.6 kcal mol-'. Comparison is made to previous theoretical and experimental results.

Optimization of the Water-PRESS Pulse Se
✍ William S. Price; Kikuko Hayamizu; Yoji Arata πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 213 KB

In this paper, the recently developed ''Water-PRESS'' method the water resonance independently of the solute resonances of water suppression [W. S. Price and Y. Arata (1996), J. Magn. in the frequency domain. Reson. B 112, 190] in which homospoil pulses are used to manipulate the effects of radiatio