Title :
Performance assessment of multi-frequency SAR interferometry based on statistical estimation
Author :
Pascazio, Vito ; Schirinzi, Gilda
Author_Institution :
Ist. de Teoria e Tecnica delle Onde Electromagnetiche, Univ. di Napoli, Italy
Abstract :
We show the information theoretic performance of two maximum likelihood techniques to solve the problem of phase unwrapping in SAR interferometry. Bias and minimum variance of the estimators, in terms of the Cramer Rao lower bounds, are computed.
Keywords :
geophysical techniques; maximum likelihood estimation; statistics; synthetic aperture radar; CRLB; Cramer Rao lower bounds; SAR interferometry; information theoretical analysis; maximum likelihood techniques; multifrequency SAR interferometry; phase unwrapping; statistical estimation; synthetic aperture radar; Earth; Frequency estimation; Image reconstruction; Interferometry; Maximum likelihood estimation; Phase estimation; Phase measurement; Phase noise; Surface topography; Synthetic aperture radar;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2003. IGARSS '03. Proceedings. 2003 IEEE International
Print_ISBN :
0-7803-7929-2
DOI :
10.1109/IGARSS.2003.1295279
