DocumentCode
2946034
Title
Bandwidth enhancement of narrow band antennas exploiting adjoint-based geometry evolution
Author
Bakr, Mohamed H. ; Ghassemi, Massoud ; Sangary, Nagula
Author_Institution
Dept. of Electr. & Comput. Eng., McMaster Univ., Hamilton, ON, Canada
fYear
2011
fDate
3-8 July 2011
Firstpage
2909
Lastpage
2911
Abstract
We present a novel approach for extending the bandwidth of narrow band antennas exploiting geometry evolution. The geometry of the antenna is allowed to evolve subject to constraints on the shape feasibility. The sensitivities of the objective function with respect to the coordinates of a number of control vertices are utilized to determine how the shape evolves. We illustrate our approach by showing that a narrow band antenna can be evolved to an Ultra Wide Band (UWB) antenna using our approach.
Keywords
geometry; optimisation; ultra wideband antennas; UWB antenna; adjoint based geometry evolution; bandwidth enhancement; narrow band antennas; shape feasibility; Algorithm design and analysis; Electromagnetics; Geometry; Optimization; Sensitivity; Ultra wideband antennas; UWB antennas; evolutionary approaches; optimization techniques;
fLanguage
English
Publisher
ieee
Conference_Titel
Antennas and Propagation (APSURSI), 2011 IEEE International Symposium on
Conference_Location
Spokane, WA
ISSN
1522-3965
Print_ISBN
978-1-4244-9562-7
Type
conf
DOI
10.1109/APS.2011.5997136
Filename
5997136
Link To Document