Extended Abstract (2.0M)P13.2
X-band simultaneous horizontal and vertical transmit data and cross-coupling signatures
J. C. Hubbert, NCAR, Boulder, CO; and X. S. Shen, T. C. Wang, and S. M. Ellis
Simultaneous transmission of horizontal and vertical polarization waves
is becoming an increasingly popular way to attain dual polarization
radar data. Several papers have appeared in the literature analyzing and
illustrating the effects of cross-coupling of the H and V electric field
components. S-band measurements have been the focus of these papers. In this
paper, experimental X-band data from the new dual-polarized
TEAM-R (Taiwan Experimental Atmospheric Mobile - Radar),
owned and operated by National Central University, Taiwan, are used to demonstrate
cross-coupling effects on differential reflectivity (Zdr) and differential phase
(Phi_dp). Cross-coupling can be caused by either non-zero mean canting angle of the
precipitation medium or antenna polarization errors. Both low elevation scan data as well
as vertical pointing data are used to investigate and demonstrate cross-coupling artifacts.
Poster Session 13, Polarimetric Radar Applications and Techniques
Thursday, 8 October 2009, 1:30 PM-3:30 PM, President's Ballroom
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