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An A, B-Polar Approach for Multimode Polarization Analysis in Satellite Communications

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2 Author(s)
Fan-Tung Tseng ; Directorate General of Telecommunications, Taipei, Taiwan, China ; Lin-shan Lee

This paper describes a convenient method of polarization analysis for a circular multimode aperture antenna by decomposing the field distribution into two components calledA,B-polar. The new idea in this technique is the separation of theA,B-polar for field expression into a rotationally symmetric magnitude function and an orientation function independent of the antenna off-axis. This leads to easily sketched figures of the multimode polarization patterns which give a clear physical picture on their effects and applications. Several examples are done in the context of the frequency reuse capabilities of earth-station antennas.

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Communications, IEEE Transactions on  (Volume:32 ,  Issue: 9 )