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The Radiation Characteristics of an Array of Horizontally Asymmetrical Waveguides that Utilize Continuous Arc Diffraction Slots

Previous work presented the radiation characteristics of a horizontally asymmetrical waveguide that utilizes a continuous arc diffraction slot. It showed good coverage control above 1 kHz, as long as the waveguide center line axis angle stays below a certain angle limit. This paper examines the radiation characteristics of an array of horizontally asymmetrical waveguides. Waveguides with different angular variations are developed, and several vertical arrays are constructed consisting of those waveguides. The radiation characteristics of the arrays are measured. Horizontally symmetrical and asymmetrical vertical arrays are compared, and the consistency inside of the coverage and limitations are discussed.

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