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Full-wave design of dual-band double-septum circular waveguide polarizers

✍ Scribed by José R. Montejo-Garai; Juan Zapata

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 184 KB
Volume: 20
Category: Article
ISSN: 0895-2477
DOI: 10.1002/(sici)1098-2760(19990120)20:2<99::aid-mop5>3.0.co;2-b

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✦ Synopsis

A dual-band circular wa¨eguide polarizer for TTC teleme-) try, tracking, and command applications is presented. The structure is composed of two corrugated metal sheets inside a circular wa¨eguide allowing easy manufacturing and low cost. A rigorous CAD which combines the mode-matching and the finite-element techniques ( ) ( ) MM᎐FEM permits us to obtain the generalized scattering matrix GSM and to take into account the higher order mode interaction between the step discontinuities. The experimental polarizer results show excellent agreement with theory.

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