A Dubok, A Al-Rawi, G Gerini… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
A new complex offset double-reflector configuration for a wideband focal plane array (FPA) is presented which is optimized for Ka-band applications with a scan range of±20° in the …
The work investigates the electromagnetic performance of omnidirectional dual-reflector antennas designed to operate with a frequency bandwidth larger than 45%(25-40 GHz). We …
SK Rao, S Chun - US Patent 9,246,234, 2016 - Google Patents
An exemplary embodiment of an antenna in accordance with the present invention utilizes a sub-reflector and a main reflector with each of them having its own focal-ring type geometry …
FJ da Silva Moreira… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
The synthesis of classical dual-reflector antennas suited to provide omnidirectional coverages with arbitrary main-beam direction in the elevation plane is discussed. Both sub …
This work presents a formulation for shaping the main reflector of a dual-reflector antenna designed to offer an omnidirectional coverage with an arbitrary radiation pattern in the …
FJ da Silva Moreira, A Prata… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
A formulation is presented for shaping dual-reflector antennas designed to offer an omnidirectional coverage. The shaping procedure is based on geometrical optics (GO) …
O Shafalyuk, P Smith, L Velychko - Progress in Electromagnetics Research …, 2012 - jpier.org
Exact absorbing conditions are used in computational electrodynamics of nonsine waves for truncating the domain of computation when replacing the original open initial boundary …
This work presents a simple formulation to synthesize amplitude and phase distributions at cylindrical apertures of omnidirectional dual-reflector antennas. Adopting a tapered …