Analytical approximations to inhomogeneously broadened, radiation damped free precession and echo signals.

Highlights: [•] An application of the time dependent variation of parameters to NMR problems. [•] Analytical radiation damping dynamics in an inhomogeneous magnetic field. [•] A radiation damping suppression pulse sequence is analyzed and another proposed. [•] The approach is general and can be applied to any time dependent problem. [ABSTRACT FROM AUTHOR]