Design of Sharp Roll-Off Band Notch With Fragment-Type Pattern Etched on UWB Antenna
| Autor: | Yijun Du, Johan Sidén, Gang Wang, Xiaopo Wu |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Physics
business.industry Acoustics Bandwidth (signal processing) Evolutionary algorithm 020206 networking & telecommunications Ranging 02 engineering and technology Ultra wideband antennas Planar antennas Wireless lan 0202 electrical engineering electronic engineering information engineering Wireless 020201 artificial intelligence & image processing Electrical and Electronic Engineering Band notch business |
| Zdroj: | IEEE Antennas and Wireless Propagation Letters. 17:2404-2408 |
| ISSN: | 1548-5757 1536-1225 |
| Popis: | Fragment-type etch patterns are proposed and designed on an ultrawideband planar antenna to acquire sharp roll-off band notch. Multiobjective evolutionary algorithm is applied to achieve the optimization searching of the best fragment-type etch pattern by setting multiple objectives to acquire the exact notched band and challenge the roll-off criterion (ROC) of band notch. Efficiency of the design can be improved by properly presetting slits on the patch radiator. For demonstration, designs with different slit presetting are implemented and tested. With single slit preset, the band notch of ROC = 0.72 at the wireless local area networks (WLAN) band ranging from 5.15 to 5.85 GHz is acquired. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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