The well known MUSIC algorithm for direction- finding is improved by applying the CLEAN post-processing method. A mathematical explanation for the performance improvement, is presented along with both synthetic and experimental validations.
Hislop, G., & Craeye, C. (2013). An accelerated implementation of the FMIR-MoM algorithm. IEEE Transactions on Antennas and Propagation, 61(7), 3839-3849. https://hdl.handle.net/2078.5/255282 (Original work published 2013)