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|Title:||Analysis procedure for arrays of waveguide slot doublets based on the full T-network equivalent circuit representation of radiators|
|Authors:||Coetzee, J.C. |
|Source:||Coetzee, J.C., Joubert, J. (2000). Analysis procedure for arrays of waveguide slot doublets based on the full T-network equivalent circuit representation of radiators. IEE Proceedings: Microwaves, Antennas and Propagation 147 (3) : 173-178. ScholarBank@NUS Repository. https://doi.org/10.1049/ip-map:20000362|
|Abstract:||An array of longitudinal slot doublets in a rectangular waveguide may be modelled by an equivalent single-slot array in a halfheight waveguide. The slot electric fields display an increasing degree of asymmetry with large slot offsets and a reduction in waveguide height. In such cases, the values of the series elements in the equivalent T-network representation of radiators become significant. Existing analysis techniques ignore their effects and use a simple shunt element equivalent circuit model. The paper presents an offcentre-frequency analysis procedure for slot arrays which is based on the full T-network model for individual radiating elements. Calculations display excellent agreement with measured and fullwave analysis results for the scattering parameters of a slot doublet array.|
|Source Title:||IEE Proceedings: Microwaves, Antennas and Propagation|
|Appears in Collections:||Staff Publications|
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