Abstract: This article presents an ultrawideband (UWB) E-plane multibeam antenna array with broadband grating lobe suppression characteristics, operating in the band of 6–18 GHz. First, a grating lobe ...

Abstract: Far field pattern of the large antenna array is synthesized by combining the theory of active element pattern method and array factor in this paper. Patterns of 16 and 64 elements planar ...

Purpose: Derive the array factor for a uniform linear array (ULA), beam steering, grating lobe conditions, amplitude tapering for sidelobe control, and the extension ...

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The questions in this quiz are suitable for GCSE maths students studying multiples and factors, prime, square and cube numbers, powers and roots, highest common factor and lowest common multiple, ...

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You’ve heard the buzz about normal, oily, dry, combination, or sensitive skin types. But which one do you have? It can change over time. For example, younger people are more likely than older folks to ...