کنفرانس مهندسی برق ایران

صفحه اصلی / سی و یکمین کنفرانس بین المللی مهندسی برق

Development of a Compact Linearly Polarized Wideband Hybrid Antenna Using Semi-Elliptical SIW Resonator and Patch Radiator

نویسندگان :

Behzad Hosseinitalab¹ Mohammad Hassan Neshati²

1- Ferdowsi University of Mashhad 2- Ferdowsi University of Mashhad

کلمات کلیدی :

Substrate Integrated Waveguide (SIW)،Elliptical Cavity،Hybrid Antenna

چکیده :

A novel linearly polarized (LP) wideband hybrid antenna using semi-elliptical substrate integrated waveguide (SIW) cavity and a patch radiator is proposed. The cavity is tuned at its fundamental resonate frequency, which excites the patch radiator in such a way that resonate frequencies of the two resonators are merged to provide broadband operation. The hybrid antenna is simulated using High Frequency Simulation Structure (HFSS) and the results including reflection coefficient, impedance bandwidth, co- and cross-polarized patterns, Half Power Beam width (HPBW), and the variation of gain versus frequency is reported. It is shown that the proposed hybrid antenna provides 10.9% fractional impedance bandwidth (FBW) with minimum gain of 6.55 dB in X band.

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