مرکز منطقه ای اطلاع رسانی علوم و فناوری Journal of Information Systems and Telecommunication (JIST) 2322-1437 1 2 2013 6 20 Wideband Log Periodic-Microstrip Antenna with Elliptic Patches Wideband Log Periodic-Microstrip Antenna with Elliptic Patches 1 10 10.7508/jist.2013.02.005 en حامد قنبری فشتمی آزاد اسلامی واحد شهرمجلسی Ali Hashemi Talkhouncheh Technical & Vocational Hossein Emami Islamic Azad 2014 10 21 A broadband microstrip antenna based on log periodic technique was conceived and demonstrated practically. The antenna exhibits a wideband characteristic comparing with other microstrip antennas. Over the operation frequency range, i.e. 2.5-6 GHz, a 50 Ω input impedance has been considered. Microstrip Antenna Log-Periodic VSWR Gain Pattern http://jist.ir/en/Article/Download/14821