Vol. 19, issue 12, article # 6

Banakh V.A., Falits A.V. Phase unwrapping from its principal value. // Atmospheric and oceanic optics. 2006. V. 19. No. 12. P. 928-930.
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The iteration procedure for elimination of the smoothing error occurring when phase unwrapping from its principal value by the least-square method is described. As is shown by the example of a synthesized aperture radar interferogram, even two applications of the least-square method are sufficient for total elimination of the error.