Measurements made by the AirSAR polarimetric airborne system at longer wavelengths and for some vegetation types are inconsistent with a gaussian model for the data, and are much better described by a multivariate K distribution, although this does not appear adequate in all cases. Parameters suggested by the K distribution model are extracted from scattering matrix data for six different vegetation types at C, L and P bands and for four separate looks. As wavelength increases, spatial and inter-look variability increases markedly. The physical basis of this variability and its implications for data analysis are discussed.

Date Published: 21 December 1994
PDF: 12 pages
Proc. SPIE 2316, SAR Data Processing for Remote Sensing, (21 December 1994); doi: 10.1117/12.197535

Published in SPIE Proceedings Vol. 2316:
SAR Data Processing for Remote Sensing
Giorgio Franceschetti, Editor(s)