Identities that can be used together with the phase closure relations to help remove noise in synthesis imaging.
Hybrid Mapping, Self Calibration
References
Pearson, T. J. and Readhead, A. C. S. "Image Formation by Self-Calibration in Radio Astronomy." Ann. Rev. Astron. Astrophys. 22, 97-130, 1984.
Readhead, A. C. S.; Walker, R. C.; Pearson, T. J.; and Cohen, M. H. "Mapping Radio Sources with Uncalibrated Visibility Data." Nature 285, 137-140, 1980.
