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Proceedings Paper

Polarimetric signatures of extended meterological targets derived with the DLR radar
Author(s): Arno Schroth; Karl Tragl; Ernst Lueneburg; Mudjianto Chandra M.D.
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Paper Abstract

At DLR (formerly DFVLR) in Oberpfaffenhofen, West Germany, a coherent polarimetric C-Band radar is in operation since three years for applications in microwave propagation (satellite communications) and cloud physics research. Its functional aspects are briefly described. The radar permits the characterization of scatter volumes consisting of statistically distributed targets by a time series of relative scattering matrices, the Stokes matrix and the covariance matrix. Radar scattering from extended meteorological targets is treated as a stationary ergodic stochastic process. The elements of the fundamental second moments (covariances) are discussed. Special consideration is given to the microphysical interpretation of polarimetric radar echoes using the scattering matrix and the covariance matrix approach. Polarization signatures for backscattered power and correlation observables are derived applying polarization transformations to the covariance matrix. Finally, the signal degradations on virtual Earth-satellite paths are studied with the aid of radar data for frequencies in the new bands (Ka-Band) for satellite communications.

Paper Details

Date Published: 1 October 1990
PDF: 21 pages
Proc. SPIE 1317, Polarimetry: Radar, Infrared, Visible, Ultraviolet, and X-Ray, (1 October 1990); doi: 10.1117/12.22055
Show Author Affiliations
Arno Schroth, DLR (Germany)
Karl Tragl, DLR (Germany)
Ernst Lueneburg, DLR (Germany)
Mudjianto Chandra M.D., DLR (Germany)

Published in SPIE Proceedings Vol. 1317:
Polarimetry: Radar, Infrared, Visible, Ultraviolet, and X-Ray
Russell A. Chipman; John W. Morris, Editor(s)

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