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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Design of a Wideband CPW Fed Fractal Antenna for Satellite Communication
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Design of a Wideband CPW Fed Fractal Antenna for Satellite Communication

机译：Design of a Wideband CPW Fed Fractal Antenna for Satellite Communication

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摘要

A novel ‘T’ square wideband fractal antennais proposed for satellite communication. The Widebandis achieved through the ‘T’ square fractal design andCPW feed. At first, a conventional square-shaped patchantenna is designed. Then the square-shaped patch is replacedby a Type-I fractal to achieve wideband. Finally, aType-II fractal with an L-Shaped boundary is used to enhancethe bandwidth to a greater extent. The gain of theproposed antenna ranges from 4 dB to 6.3 dB for the entirefrequency range of 6.2 GHz to 14 GHz. The radiationefficiency of the antenna is noticed up to 84%. The fractalantenna resonates well throughout the entire frequencyrange with a VSWR of less than 2. The antenna havingsuch a wide band characteristic can be found suitable fora wide range of applications like earth exploration satellites,fixed satellites, radiolocation, maritime radio navigation,and aeronautical radio navigation. A metal reflectoris also introduced at the bottom of the antenna toproduce a unidirectional radiation pattern. This increasesthe gain up to 9.8 dBi and a front-to-back ratio is noticedabove 20 dB. The design is fabricated and the measurementresults are found to be in good agreement with thesimulation results.

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