Title :
Modelling a three-element printed dipole antenna array using the FDTD technique
Author :
Hilton, G.S. ; Railton, C.J. ; Ball, G.J. ; Dean, M. ; Hume, A.L.
Author_Institution :
Centre for Commun. Res., Bristol Univ., UK
Abstract :
This paper shows that finite-difference time-domain (FDTD) analysis incorporating a graded grid may be used to accurately model a three-element triangular array of printed dipoles. Each element forms a complicated structure that combines the microstrip feedline, balun and dipole. Examples of an input response and an element coupling are presented for the range 2-14 GHz, together with far-field radiation patterns for one of the elements at a frequency of 9.3 GHz. All the results obtained by the FDTD model run on a low-powered HP 9000 series workstation are compared with measurements of the actual antenna array.
Keywords :
antenna arrays; antenna feeds; antenna radiation patterns; antenna testing5822304; conical antennas; delays; dipole antenna arrays; electric impedance; finite difference time-domain analysis; frequency response; horn antennas; microstrip antenna arrays; numerical analysis; strip lines; 2 to 14 GHz; FDTD analysis; FDTD technique; HP 9000 series workstation; SHF; UHF; antenna array modelling; balun; element coupling; far-field radiation patterns; finite-difference time-domain; input response; measurements; microstrip feedline; mutual coupling; three-element printed dipole antenna array; triangular array; Antenna arrays; Antenna measurements; Antenna radiation patterns; Dipole antennas; Finite difference methods; Frequency; Impedance matching; Microstrip antenna arrays; Time domain analysis; Workstations;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1997. IEEE., 1997 Digest
Conference_Location :
Montreal, Quebec, Canada
Print_ISBN :
0-7803-4178-3
DOI :
10.1109/APS.1997.631740
