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We propose a perpendicular-corporate feed in a three-layered parallel-plate radiating-slot array to remove the x-shaped cavity walls completely in the radiating part of the conventional planar corporate-feed waveguide slot array antenna. Coupling apertures on the bottom excite radiating slots spaced with the half of their spacing on the middle in the parallel plates. We place dielectric with proper...
This paper presents a new method to calculate slot conductance which takes mutual coupling between the adjacent elements in an array into account. This method is explained for calculating slot conductances of inclined slots in the narrow wall of a rectangular waveguide. Then a slot array with this type of radiating elements is designed for −35 dB side lobe level. The results show that proposed method...
This paper presents results of a study of the feasibility of Ka band slot arrays for an interferometric radar for the purpose of topographic mapping of the outer planets such as Jupiter and its moons. A small array is designed, built and tested.
We have presented the design, analysis and development of a Ka band digitally beamformed 1 m x 1 m slot array. The array was found to be successful in meeting the objectives of GLISTIN demonstration antenna, especially with respect to the difficult 0.042deg relative beam alignment between sticks.
In this paper design curves have been investigated for broad wall longitudinal radiating slot and centered-inclined coupling slot in a Ku-band waveguide WR51 using an FEM based full wave EM analysis software, HFSS. These curves have application in the design of waveguide slot arrays. Two waveguide-fed planar slot arrays have been designed using these curves and HFSS was used to simulate the performances...
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