Radiation Pattern of a Circularly Polarized Microstrip Short Backfire Antenna
Advances in Research · pp. 1–9 · Published 3 Jul 2017
10.9734/AIR/2017/34595Abstract
A circularly polarized microstrip short backfire antenna (CPMSBA) with one ring corrugated rim, using aperture coupled feed method is proposed in this paper. The antenna is designed to operate in KU-band. The simulation results verify the circular polarization. The impedance bandwidth is 0.83 GHz. The CP antenna provides good radiation pattern over the whole frequency range. The axial ratio bandwidth bwAR is 2.96%, the gain is 9.79 dBi, directivity is 10.17 dBi and radiation efficiency is 91.62%. The antenna has a compact structure, high electrical and mechanical characteristics, it can be used as a single antenna or as an element of microstrip antenna arrays with various applications in the various communication systems.
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