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A novel 1 × 4 planar UWB antenna array is proposed. The utilized single element is a compact planar circular slot micro-strip antenna. The feeding network is 1 to 4 Wilkinson power divider. The bandwidth of the antenna array is from 3.1GHz to 12.4GHz and the radiation pattern is bidirectional.
The influence of model errors on radiation pattern of a hemispherical aperture antennas arrays is studied in the paper. Analysis was made with a developed moment method program that analyzes a particular influence of an azimuth and elevation position and local angle errors of the second waveguide as well as model dimension errors on radiation pattern. The spectral-domain approach to the analysis of...
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