کنفرانس مهندسی برق ایران

صفحه اصلی / سی امین کنفرانس بین المللی مهندسی برق

A Single-Fed Circularly-Polarized Elliptical Slot Antenna for S-Band applications

نویسندگان :

Sina Rezaee¹ Mahdi Janforooz² Behnam Rasoulpour³

1- دانشگاه صنعتی شریف 2- دانشگاه صنعتی شریف 3- دانشگاه صنعتی امیرکبیر

کلمات کلیدی :

Circular patch antenna, Circular polarization, S-band applications, Microstrip feeding

چکیده :

In this paper, a single-fed, circularly-polarized printed antenna with an elliptical slot for S-band application is suggested. The antenna structure includes a circular patch radiator having one rotated elliptical slot which feeds through a microstrip line. The circular polarization is obtained by adjusting the major axis of the elliptical slot. A metallic circular ground and four 80˚ slices of a wide ring-shaped patch surrounding the main radiator improve impedance matching bandwidth and circular polarization performance. The suggested antenna radiates left-handed circularly polarized (LHCP) and has an acceptable axial ratio bandwidth that is in agreement with the operating frequency band and hence is well suited for S-band applications. For verification of the presented concepts, the designed antenna is suggested together with the simulation and measurement data. The proposed antenna exhibits very good agreement between the measured data and simulation results.

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بیشتر

ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 42.3.2