کنفرانس مهندسی برق ایران

صفحه اصلی / سی و یکمین کنفرانس بین المللی مهندسی برق

A Novel Ultra Wide-Band Antenna for the Array with Shaped Beam Radiation Pattern

نویسندگان :

Shima Amirinalloo¹ Zahra Atlasbaf²

1- دانشگاه تربیت مدرس تهران 2- دانشگاه تربیت مدرس تهران

کلمات کلیدی :

Ultra Wide-Band،Antenna Array،Beam shaping،cosecant squared،Flat-top

چکیده :

In this paper a linear Ultra Wideband (UWB) antenna array with the shaped beam radiation pattern is studied for wireless communication and target detecting applications, respectively, operating in the frequency band of 0.8-4.18GHz. The Array consists of 16 Ultra Wide Band antenna Elements with elliptical radiator and a U-shaped slot on the Ground for bandwidth (BW) enhancement, in size of 104.9×104.9 mm2. The return loss of the antenna in the whole frequency band is less than -10 dB. In addition, the synthesis methods of the shaped beam radiation patterns are based on Woodward-Lawson superposition principle, and modified-Taylor method for controlling the side lobe level (SLL) of the shaped beam. The antennas E-plane (2D) radiation pattern shows agreement to array design with shaped beam radiation pattern. Also, the fidelity factor of the antenna element is studied.

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