DocumentCode :
1027217
Title :
Directivity optimization for Yagi-Uda arrays of shaped dipoles
Author :
Liang, Changhong ; Cheng, David K.
Author_Institution :
Northwest Communication Engineering Institute, Xian, China
Volume :
31
Issue :
3
fYear :
1983
fDate :
5/1/1983 12:00:00 AM
Firstpage :
522
Lastpage :
525
Abstract :
A method is presented for the maximization of the directivity of Yagi-Uda arrays whose elements are not straight conductors. The optimum shapes as well as the positions of the array elements are determined, both of which depend on the radius of the conductors. The moment method is used in the optimization process. An example shows that an optimized Yagi-Uda array of three 
elements can achieve a maximum directivity of 11.8 dB.
elements can achieve a maximum directivity of 11.8 dB.Keywords :
Moment methods; Yagi - Uda arrays; Antenna arrays; Conductors; Current distribution; Frequency; Geometry; Helium; Optimization methods; Phased arrays; Shape; UHF antennas;
fLanguage :
English
Journal_Title :
Antennas and Propagation, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-926X
Type :
jour
DOI :
10.1109/TAP.1983.1143085
Filename :
1143085
Link To Document :
