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International Journal of Antennas and Propagation
Volume 2015, Article ID 340704, 12 pages
http://dx.doi.org/10.1155/2015/340704
Research Article

Dual-Polarized Planar Phased Array Analysis for Meteorological Applications

1National University of Defense Technology, Deya Road 109, Changsha 410073, China
2Delft University of Technology, Stevinweg 1, 2628 CD Delft, Netherlands

Received 27 February 2015; Revised 19 July 2015; Accepted 22 July 2015

Academic Editor: Stefano Selleri

Copyright © 2015 Chen Pang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper presents a theoretical analysis for the accuracy requirements of the planar polarimetric phased array radar (PPPAR) in meteorological applications. Among many factors that contribute to the polarimetric biases, four factors are considered and analyzed in this study, namely, the polarization distortion due to the intrinsic limitation of a dual-polarized antenna element, the antenna pattern measurement error, the entire array patterns, and the imperfect horizontal and vertical channels. Two operation modes, the alternately transmitting and simultaneously receiving (ATSR) mode and the simultaneously transmitting and simultaneously receiving (STSR) mode, are discussed. For each mode, the polarimetric biases are formulated. As the STSR mode with orthogonal waveforms is similar to the ATSR mode, the analysis is mainly focused on the ATSR mode and the impacts of the bias sources on the measurement of polarimetric variables are investigated through Monte Carlo simulations. Some insights of the accuracy requirements are obtained and summarized.