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Fully Polarimetric Analysis of Weather Radar Signatures

Galletti, Michele (2010) Fully Polarimetric Analysis of Weather Radar Signatures. DLR-Forschungsbericht. DLR-FB--2010-05, 98 S.

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Abstract

The present doctoral thesis deals with radar polarimetry, namely with the investigation of properties of polarimetric variables potentially useful in radar meteorology. For use with dual-polarization radars, the degree of polarization is analyzed. This variable is available to planned operational radars. The degree of polarization is dependent on transmit polarization state and, consequently, it is dependent on the radar system operating mode. The primary operating mode of operational radars consists in simultaneous transmission and simultaneous receive of both horizontal and vertical components. The secondary operating mode consists of horizontal transmission and simultaneous receive. Both degrees of polarization are investigated in this thesis. Also, as operational systems are being updated to dual-polarization, research should start investigating the capabilities of fully polarimetric weather radar systems. Among the numerous variables available from this operating mode, the target entropy was chosen for investigation, also because of its close relation to the degree of polarization.

Document Type:Monograph (DLR-Forschungsbericht)
Title:Fully Polarimetric Analysis of Weather Radar Signatures
Authors:
AuthorsInstitution or Email of Authors
Galletti, MicheleMichele.Galletti@noaa.gov
Date:March 2010
Journal or Publication Title:DLR Forschungsbericht
Number of Pages:98
ISSN:1434-8454
Status:Published
Keywords:Weather Radar, Degree of Polarization, Entropy, Radar Polarimetry, Fully polarimetric
Institution:Institut für Hochfrequenztechnik und Radarsysteme, DLR Oberpfaffenhofen
Department:Radarkonzepte
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben SAR-Expert-Support-Lab (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Dr.rer.nat. Thomas Börner
Deposited On:26 Mar 2010 13:01
Last Modified:26 Mar 2010 13:01

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