Miniaturized rectangular hard waveguides for use in multifrequency phased arrays
- 10 January 2005
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Antennas and Propagation
- Vol. 53 (1), 100-109
- https://doi.org/10.1109/tap.2004.840519
Abstract
The elements of a multiband array need to be small to allow elements of other frequencies to be interlaced over the same array aperture. This paper investigates the use of miniaturized open-ended partially dielectric-loaded hard-walled rectangular waveguides for this purpose. Apart from studying its modal properties, we seek to find out how it performs in an infinite planar array environment. Specifically, we study how the various array parameters affect its radiation characteristics. Comparisons are also made with fully filled waveguides. The waveguides are matched at broadside. The results show a narrow-band solution.Keywords
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