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Correction of polarization error in scanned array weather radar antennas

Author: Pang, C. · Hoogeboom, P. · Russchenberg, H. · Wang, T. · Dong, J. · Wang, X.
Publisher: EuMA
Place: Louvain-la-Neuve
Source:European Microwave Week EuMW 2014, Proceedings of the 11th European Radar Conference, EuRAD 2014, 6-7 Oct 2014, Rome, Italy, 408-411
Identifier: 525555
Keywords: Radar · Antenna arrays · Antennas · Error correction · Intelligent systems · Meteorological radar · Monte Carlo methods · Polarization · Radar · Radar antennas · Array patterns · Beam direction · Beam scanning · Correction method · Dual-polarized · Polar measurements · Polarization errors · Scanned arrays · Scanning antennas · Defence, Safety and Security · Physics & Electronics · RT - Radar Technology · TS - Technical Sciences


In this paper, the polarization error correction of dual-polarized planar scanned array weather radar in alternately transmitting and simultaneously receiving (ATSR) mode is analyzed. A method based on point correction and a method taking the complete array patterns into account are discussed. To analyze their performances, a linear error model is presented and a Monte-Carlo simulation procedure is developed. The simulation results show that, since only the information at the beam direction is used, the cross-polar measurements of point correction method degrade with the beam scanning while the second method can effectively overcome this deficiency. © 2014 EuMA.