Methods of using closure phases in radio aperture synthesis

Details Methods of using closure phases in radio aperture synthesis Methods of using closure phases in radio aperture synthesis

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980spie..231...10r&link_type=abstract

In: 1980 International Optical Computing Conference, Washington, DC, April 8-11, 1980, Proceedings. Book 1. (A81-37755 17-35) Be

Astronomy and Astrophysics

Astronomy

1

Astronomical Photography, Image Reconstruction, Iterative Solution, Radio Sources (Astronomy), Very Long Base Interferometry, Algorithms, Convergence, Image Processing, Spatial Filtering, Visibility

Scientific paper

A simple iterative algorithm for reconstructing the images of compact radio sources from very-long-baseline interferometry (VLBI) measurements of visibility amplitudes and 'closure' phases is described. The method makes efficient use of redundant sampling of spatial frequencies by making a global solution of phase 'closure' equations for a complete set of observations.

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