Dual-frequency square patch antenna with rectangular notch
- 3 August 1989
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 25 (16) , 1067-1068
- https://doi.org/10.1049/el:19890714
Abstract
A dual-frequency antenna consisting of a square microstrip patch with a rectangular notch is experimentally investigated. The resonant frequencies and return loss are shown as a function of the rectangular notch depth. The radiation patterns show that the polarisation planes at the first and second resonant frequencies are perpendicular to each other.Keywords
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