This paper presents a synthesis algorithm for the beam-scanning of antenna arrays having fixed null directions in the far-field pattern. The proposed algorithm performs the beam-scanning by phase-only control. Hence, the amplitudes of the array elements are kept constant, while only their excitations are modified. This allows one to maintain a simpler and less expensive feeding network. The algorithm is suitable for arrays of arbitrary geometry. Numerical examples are provided to show the effectiveness of the method.
Phase-controlled beam-scanning of arbitrary antenna arrays with far-field fixed nulls
Buttazzoni G.;Babich F.;Vatta F.;Comisso M.
2019-01-01
Abstract
This paper presents a synthesis algorithm for the beam-scanning of antenna arrays having fixed null directions in the far-field pattern. The proposed algorithm performs the beam-scanning by phase-only control. Hence, the amplitudes of the array elements are kept constant, while only their excitations are modified. This allows one to maintain a simpler and less expensive feeding network. The algorithm is suitable for arrays of arbitrary geometry. Numerical examples are provided to show the effectiveness of the method.File in questo prodotto:
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