Admittance Loading Of Dielectric Loaded Inclined Slots In The Narrow Wall Of A H-Plane Tee Junction
Journal Title: International Journal of Research in Computer and Communication Technology - Year 2015, Vol 4, Issue 11
Abstract
Slotted waveguide antennas find applications in microwave communication and radar systems requiring narrow beam or shaped beam patterns because of its compactness. They are particularly useful in airborne, space craft applications where light weight and small scan volumes are important. Array of such slots are used to improve the directivity. Such slots are analysed by several researchers. However analysis on dielectric loaded slot coupled H-plane tee junctions is not considered. It is therefore of interest to investigate dielectric loaded H-plane tee junctions in order to control admittance loading, coupling and VSWR. The analysis involves plane wave spectrum approach and expression for the admittance is derived from the knowledge of self-reaction and discontinuity in modal current. The simulated results on normalised conductance, susceptance, coupling and VSWR as a function of frequency are presented in figures 2 to 12. The data presented in this paper is extremely useful for the design of small and large arrays of H-plane Tee junction radiators.
Authors and Affiliations
G. Srivalli, Dr. Srinivasa Baba V S S N
Keywords
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