Title :
The impact of frequency on radiation pattern of bowtie and spiral antenna based on RWG elements
Author :
Sarkar, Mushlah Uddin ; Hossain, Md Aynal ; Amin, M.R. ; Islam, Md Imdadul
Author_Institution :
Dept. of Electron. & Commun. Eng., East West Univ., Dhaka, Bangladesh
Abstract :
Some antennas like bowtie, spiral, log-periodic array and conical spiral are known as frequency independent in context of antenna parameters like input impedance, reflection coefficient, gain and radiation pattern. In this paper, the work is done on bowtie and spiral antenna due to their easy construction and implementation. Although both the antennas are considered as frequency independent but shows some variation in their patterns with wide variation of frequency. Objective of this paper is to find the variation of two and three dimensional radiation pattern of both type of antenna based on RWG (Rao-Wilton-Glisson) element.
Keywords :
antenna radiation patterns; log periodic antennas; method of moments; spiral antennas; RWG elements; bowtie antenna; conical spiral antenna; input impedance; log-periodic array antenna; method of moments; radiation pattern; reflection coefficient; spiral antenna; Antenna radiation patterns; Computer science; Current distribution; Dipole antennas; Feeds; Frequency; Moment methods; Reflector antennas; Spirals; Surface impedance; Green function; Method of Moments (MoM); incident EM signal and impedance matrix; surface current diversity;
Conference_Titel :
Electronic Computer Technology (ICECT), 2010 International Conference on
Conference_Location :
Kuala Lumpur
Print_ISBN :
978-1-4244-7404-2
Electronic_ISBN :
978-1-4244-7406-6
DOI :
10.1109/ICECTECH.2010.5479972
