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This paper describes the development of an electronically beam scanning array antenna having a wide beam steering range in 5.8GHz ISM band. The antenna is comprised of one feed active element and two passive elements with variable reactive loads. The wide beam steering range from -38° to 37° is achieved by adjusting variable reactive load of passive elements. And the fine beam scanning performance...
A compact aperture coupled patch type microstrip‐to‐waveguide transition at V‐band is proposed and fabricated using low‐temperature cofired ceramic process. It uses the aperture coupled microstrip feed and the parasitic patch antenna radiating into the waveguide to improve the insertion loss and the bandwidth. As a result of experiments, low‐transmission loss and high‐return loss are realized at the...
The characteristics of a wideband and high gain cavity-backed slot array antenna with new configuration are investigated in terms of the reflection coefficient, radiation pattern, and gain. The proposed cavity-backed slot antenna is comprised of baffles, reflectors, and thick ground plane. The baffles and reflectors are used to increase an antenna gain, thus reducing the coupling among slots on a...
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