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標題: An Evolutionary Design Method Using Genetic Local Search Algorithm to Obtain Broad/Dual-Band Characteristics for Circular Polarization Slot Antennas
作者: Tseng, L.Y.
Han, T.Y.
關鍵字: Circular polarization;genetic local search (GLS) algorithm;slot;antenna;planar monopole antenna;microstrip antennas;patch antenna;optimization;fdtd
Project: Ieee Transactions on Antennas and Propagation
期刊/報告no:: Ieee Transactions on Antennas and Propagation, Volume 58, Issue 5, Page(s) 1449-1456.
We present a new evolutionary design method using genetic local search (GLS) algorithm to obtain broad/dual-band characteristics for circular polarization (CP) slot antennas. By employing this computer-aided design (CAD) technique, optimal or near-optimal impedance and axial-ratio bandwidths for a given operating frequency can be achieved without using the trial and error method. In our method, several key parameters were first investigated, and their effects on both the input impedance and the axial-ratio were obtained by simulation. Different local search procedures used in the GLS algorithm were then developed. The proposed design technique was evaluated by designing antennas using different slot shapes: the ellipse, the equilateral triangle, and the square. These antenna prototypes were constructed and measured to provide validation of the design method.
ISSN: 0018-926X
DOI: 10.1109/tap.2010.2044312
Appears in Collections:資訊網路與多媒體研究所

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