An Electronically Tunable Leaky-Wave Antenna Based On Goubau Transmission Line

2019 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT 2019)(2019)

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摘要
In this paper, an electronically tunable leaky-wave antenna based on Goubau transmission line is presented. The dynamic control over the main beam scanning angles is achieved by periodically loading PIN switch diodes in the modulation units. The biasing circuit of diodes is implemented at the bottom of the antenna. The electronic state of each PIN diode is independently biased in which way the modulation periodicity can be dynamically modified. The proposed antenna provides not only frequency-dependent radiation beams but also tunable beam steering angles at fixed frequencies. Simulated antenna prototype demonstrates beam scanning capability of 9 degrees/GHz within 8-10 GHz and angle range 62 degrees at 9 GHz.
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关键词
PIN diode,frequency-dependent radiation beams,tunable beam steering angles,simulated antenna prototype,beam scanning capability,electronically tunable leaky-wave antenna,Goubau transmission line,main beam scanning angles,PIN switch diodes,electronic state,frequency 9.0 GHz,frequency 8.0 GHz to 10.0 GHz
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