constant time evolution

https://doi.org/10.1351/goldbook.08322
Segment of a pulse sequence in nuclear magnetic resonance spectroscopy that allows evolution of chemical shift during a fixed time period rather than through the traditional symmetrical incremented delays.
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 684 (https://doi.org/10.1515/pac-2019-0203)