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New Window Function for Very Short Acquisition Times

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Abstract:

An apodization function, the sinc-TRAF function (S-TRAF), has been developed for application to exponentially decaying data sets where the acquisition times ( AT ) is less than or equal to one time constant, T * . For heavily truncated time-domain signals, S-TRAF is able to remove sinc ripple with only minor losses in linewidth (LW) and signal-to-noise ratio (S/N). Ripple removal achieved with the application of S-TRAF rivals that observed from use of the ''ultimate ripple-free resolution enhancement'' function (URFRE) for AT as low as 0.3 T * . S-TRAF maintains LW and S/N better than URFRE for all acquisition times examined.

Keywords: APODIZATION NMR SPECTROSCOPY SIGNAL PROCESSING WINDOW FUNCTION TRUNCATION

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702981942474

Publication date: January 1, 1998

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