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Waveguide-based Monopulse Wideband Travelling-Wave Array

DOGAN, Doganay
Aydın Çivi, Hatice Özlem
A novel, travelling-wave, waveguide antenna structure with monopulse capability in the two principal planes is proposed with increased frequency bandwidth. The array consists of two interleaved waveguide arrays which provide appropriate excitations to the antenna elements above the waveguide to generate proper sum and difference patterns. With the use of printed antennas and the elimination of the narrow frequency characteristics of the slots on the waveguides, the bandwidth of the array is greatly improved.