I. F. da Costa, R. A. Santos, S. C. Patrício, J. Ribeiro, D. Spadoti, A. Bogoni, A. Cerqueira S.
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引用次数: 10
Abstract
This paper describes the design and fabrication of a novel dual-band slotted waveguide antenna array for radar applications. The radiation structure is composed by two groups of slots, milled into the rectangular waveguide in opposite faces, enabling the antenna operation over two different frequency bands. Using this innovative structure becomes possible to perform diverse sorts of tracking using a unique structure for different radar applications, such as maritime navigation, surveillance and communications. Numerical results were obtained by ANSYS HFSS and measurements demonstrate two operational bandwidths over the S- and C-frequency bands. The antenna gain varies from 14.41dBi to 17.64dBi at 2.25GHz and 4.91GHz, respectively.
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