Analysis of a linear slot array comprised of tilted edge slots cut in the narrow wall of a rectangular waveguide

A linear array antenna comprised of tilted edge slots cut in the narrow wall of a rectangular waveguide is analyzed. The analysis method is a hybrid FEM/BIE method that uses spectral domain integral equations to determine the boundary elements in the FEM analysis. The mutual coupling effects in a la...

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Bibliographic Details
Main Authors: Young, J.C., Hirokawa, J., Ando, M.
Format: Conference Proceeding
Language:English
Subjects:
Conductors
Finite element methods
Geometry
Integral equations
Linear antenna arrays
Mutual coupling
Radar
Rectangular waveguides
Reflection
Slot antennas
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Summary:A linear array antenna comprised of tilted edge slots cut in the narrow wall of a rectangular waveguide is analyzed. The analysis method is a hybrid FEM/BIE method that uses spectral domain integral equations to determine the boundary elements in the FEM analysis. The mutual coupling effects in a large array are approximated with an infinite array assumption. Calculations are compared to measurements as well as results from Ansoft's HFSS simulator.
DOI:10.1109/WCACEM.2005.1469660