Compensation for higher order mode coupling between inclined coupling slots and radiating slots in planar slotted waveguide arrays

Coetzee, Jacob C., Kulkarni, Advait, & Albannay, Mohammed M. (2014) Compensation for higher order mode coupling between inclined coupling slots and radiating slots in planar slotted waveguide arrays. In Proceedings of the 2014 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), IEEE, Memphis, Tennessee, p. 60.

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Abstract

Summary form only given. Geometric simplicity, efficiency and polarization purity make slot antenna arrays ideal solutions for many radar, communications and navigation applications, especially when high power, light weight and limited scan volume are priorities. Resonant arrays of longitudinal slots have a slot spacing of one-half guide wavelength at the design frequency, so that the slots are located at the standing wave peaks. Planar arrays are implemented using a number of rectangular waveguides (branch line guides), arranged side-by-side, while waveguides main lines located behind and at right angles to the branch lines excite the radiating waveguides via centered-inclined coupling slots. Planar slotted waveguide arrays radiate broadside beams and all radiators are designed to be in phase.

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ID Code: 80093
Item Type: Conference Paper
Refereed: Yes
Keywords: Antenna arrays, Couplings, Equations, Mathematical model, Planar waveguides, Radar antennas, Rectangular waveguides
DOI: 10.1109/USNC-URSI.2014.6955442
ISBN: 9781479937462
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 14 Jan 2015 23:40
Last Modified: 16 Jan 2015 00:57

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