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首页> 外文会议>2013 International Workshop on Microwave and Millimeter Wave Circuits and System Technology >A broadband circuit analog absorber based on printed dipole antenna
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A broadband circuit analog absorber based on printed dipole antenna

机译：基于印刷偶极子天线的宽带电路模拟吸收器

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摘要

Based on the equivalent transmission line theory, a composite absorber with broadband planar array antenna and AFSS is designed. The first layer is an array antenna, which uses printed dipole with balun feed as basic unit. The second layer is a AFSS, in which the traditional resistive layer is replaced with a PIN diode array, which corresponded with antenna feeding units. The impedance match characteristic of the absorber can be adjusted by adjusting the bias current of the PIN diode array. And the reflection characteristic of the composite absorber can be improved by printed dipole antenna array. Simulated by electromagnetic simulation software HFSS and CST, the results show that the composite absorber reflection coefficient is below −10dB at 3.5–15GHz. The experimental result is in good agreement with simulation data.
机译：基于等效传输线理论，设计了具有宽带平面阵列天线和AFSS的复合吸收体。第一层是阵列天线，它使用带有巴伦馈电的印刷偶极子作为基本单元。第二层是AFSS，其中传统的电阻层被PIN二极管阵列代替，PIN二极管阵列与天线馈电单元相对应。吸收器的阻抗匹配特性可以通过调节PIN二极管阵列的偏置电流来调节。通过印刷偶极子天线阵可以改善复合吸收体的反射特性。通过电磁仿真软件HFSS和CST进行仿真，结果表明，复合吸收体的反射系数在3.5-15GHz时低于-10dB。实验结果与仿真数据吻合良好。

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