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The unpolarized component in polarimetric radar observations of forested areas

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3 Author(s)
Durden, S.L. ; Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA ; van Zyl, J.J. ; Zebker, H.A.

A polarimetric radar measures the complete scattering matrix of a target. For a forest and other natural targets, the average return is, in general, partially polarized. Conditions on the second-order statistics of the scattering matrix under which the return is fully polarized are derived, and it is shown that these conditions are connected with the eigenvalues of the covariance matrix. The result of this analysis is a set of three quantities which indicate the ability of a scatterer to generate an unpolarized component. These quantities for forested areas are shown

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:28 ,  Issue: 2 )