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Form of field in small-offset longitudinal slot in broad wall of rectangular waveguide

Form of field in small-offset longitudinal slot in broad wall of rectangular waveguide

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A surface-patch moment method approach is used to examine the electric field distribution in longitudinal slots that have small offsets from the host rectangular waveguide centreline. It is shown that the phase of the transverse electric field in the slot may display a large variation across the slot narrow dimension in such instances.

References

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      • M.J. Ehrlich , H. Jasik . (1961) Slot-antenna arrays, Antenna engineering handbook.
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      • R.W. Lyon , A.J. Sangster . Efficient moment methods analysis of radiating slots in a thick-walled rectangular waveguide. IEE Proc. H , 197 - 205
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      • G.J. Stern , R.S. Elliott . Resonant length of longitudinal slots and validity of circuit representation. IEEE Trans. , 11 , 1264 - 1271
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      • Jacobs, J.P.: `On the mutual coupling between inclined slots in the narrow wall of rectangular waveguide', March 1991, MEng Thesis, University of Pretoria, obtainable on request from first author.
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