Comments on 'Influence of the Statistical Properties of Phase and Intensity on Closure Phase'
Francesco De Zan (Deutsches Zentrum für Luft- und Raumfahrt (DLR))
Fabio Rocca (Politecnico di Milano)
Alessandro Ferretti (TRE)
Paco Dekker (TU Delft - Mathematical Geodesy and Positioning)
Michael Eineder (Deutsches Zentrum für Luft- und Raumfahrt (DLR))
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Abstract
A recent publication claims that closure phases in SAR interferometry bear no relationship to physical changes of the scatterer, but only to the statistical properties of the averaged pixels. We disprove this claim with a simple counterexample and remind the reader of cases in which closure phases indicate a clear physical content, including the exploitation of closure phases in other fields.
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