Institute for Telecommunication Sciences
the research laboratory of the National Telecommunications and Information Administration

Hiroshi Akima

Abstract: Calculating the polarization angles of antennas and radio waves is necessary for analyzing the mutual interference when a linearly polarized emission is used in satellite communications. A method for calculating the polarization angle has been developed. It is based on several coordinate systems appropriate for representing the polarization angle and on a series of coordinate transformations and of projections of vectors in coordinate planes. It is applicable to a variety of cases of practical importance. Comparisons are made with some existing methods applicable to special cases, and some numerical examples are given. A computer subroutine package that implements the developed method is also presented.

Keywords: antenna; linear polarization; polarization angle; radio wave; satellite communication

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Institute for Telecommunication Sciences
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