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Polarimetric coherence optimization for interferometric differential applications
Pipia, Luca; Fabregas Canovas, Francisco Javier; Aguasca Solé, Alberto; López Martínez, Carlos; Mallorquí Franquet, Jordi Joan
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
In this paper, the potentials of polarimetric coherenceoptimization techniques for differential interferometric SAR (DInSAR) applications are examined. For this purpose, the cutting-edge approaches available in the literature are considered. First, synthetic PolSAR data simulating homogeneous distributed scatterers are employed to demonstrate the convergence of the optimized differential phase to the deformation phase information. Then, real X-band ground-based PolSAR acquisitions concerning an urban environment are analyzed. The relation between optimum coherences and corresponding optimum phase in terms of deformation on retrieval is carefully analyzed using two zero-baseline fullypolarimetric data sets. In the end, general conclusions about the advantages and drawbacks of the alternative maximization approaches are drawn.
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Signal theory (Telecommunication)
Radar
Senyal, Teoria del (Telecomunicació)
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