Polarimetric Passive Remote Sensing of a Periodic Soil Surface: Microwave Measurements and Analysis

S.V. Nghiem Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics Massachusetts Institute of Technology Cambridge, MA 02139, USA

M.E. Veysoglu Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics Massachusetts Institute of Technology Cambridge, MA 02139, USA

J.A. Kong Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics Massachusetts Institute of Technology Cambridge, MA 02139, USA

R.T. Shin Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics Massachusetts Institute of Technology Cambridge, MA 02139, USA

K. O'Neill U.S. Army Cold Regions Research and Engineering Laboratory Hanover, NH 03755, USA

A.W. Lohanick U.S. Army Cold Regions Research and Engineering Laboratory Hanover, NH 03755, USA

Abstract

Microwave radiopolarimetry is applied to remote sensing of azimuthally asymmetric features on Earth terrain. The first three components in the brightness-temperature modified Stokes vector are measured for a triangularly corrugated soil surface. The measurements are made at 10 GHz with horizontal, vertical, and 45° orientations. Significant values of the third Stokes brightness temperature U_B are observed in various configurations. A theoretical analysis of the data incidates that the appreciable values of U_B are caused by the azimuthal asymmetry on the remotely sensed soil surface.

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Polarimetric Passive Remote Sensing of a Periodic Soil Surface: Microwave Measurements and Analysis

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Polarimetric Passive Remote Sensing of a Periodic Soil Surface: Microwave Measurements and Analysis

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