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Design of Circularly Polarized Waveguide Slot Linear Arrays

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1 Author(s)
Montisci, G. ; Cagliari Univ.

A design procedure for circularly polarized waveguide slot linear arrays is presented. The array element, a circularly polarized radiator, consists of two closely spaced inclined radiating slots. Both the characterization of the isolated element and the evaluation of the mutual coupling between the array elements are performed by using a method of moments procedure. A number of traveling wave arrays with equiphase excitations are designed and then analyzed using a finite element method commercial software. A good circular polarization is achieved, the design goals on the far field pattern are fulfilled and high antenna efficiency can be obtained

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Antennas and Propagation, IEEE Transactions on  (Volume:54 ,  Issue: 10 )