Pulse sequence in
nuclear magnetic resonance spectroscopy in which
pulsed-field gradients are applied to a doubled
spin echo sequence to cleanly and precisely excite particular resonances.
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 686 (https://doi.org/10.1515/pac-2019-0203)