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Proceedings Paper

Hybrid polarity SAR architecture
Author(s): R. Keith Raney
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Paper Abstract

A space-based synthetic aperture radar (SAR) designed to provide quantitative information on a global scale implies severe requirements to maximize coverage and to sustain reliable operational calibration. These requirements are best served by the hybrid-polarity architecture, in which the radar transmits in circular polarization, and receives on two orthogonal linear polarizations, coherently, retaining their relative phase. This paper summarizes key attributes of hybrid-polarity dual- and quadrature-polarized SARs, reviews the associated advantages, formalizes conditions under which the signal-to-noise ratio is conserved, and describes the evolution of this architecture from first principles.

Paper Details

Date Published: 29 April 2009
PDF: 8 pages
Proc. SPIE 7308, Radar Sensor Technology XIII, 730802 (29 April 2009); doi: 10.1117/12.816650
Show Author Affiliations
R. Keith Raney, Johns Hopkins Univ. Applied Physics Lab. (United States)

Published in SPIE Proceedings Vol. 7308:
Radar Sensor Technology XIII
Kenneth I. Ranney; Armin W. Doerry, Editor(s)

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