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首页> 外文期刊>Microwave and Wireless Components Letters, IEEE >Hybrid Spoof Surface Plasmon Polariton and Substrate Integrated Waveguide Broadband Bandpass Filter With Wide Out-of-Band Rejection
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Hybrid Spoof Surface Plasmon Polariton and Substrate Integrated Waveguide Broadband Bandpass Filter With Wide Out-of-Band Rejection

机译:具有广泛带外抑制功能的混合欺骗性表面等离激元极化子和基片集成波导宽带带通滤波器

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摘要

This letter presents a novel hybrid spoof surface plasmon polariton (SSPP) and substrate integrated waveguide (SIW) filter, which has the broadband bandpass and wide out-of-band rejection features. The lower and upper cutoff frequencies of the passband can be independently adjusted by changing the structural parameters of the SSPP and SIW units, respectively. The dispersion curves of the SSPP and SIW units are analyzed and the influences of some structural parameters are investigated. A hybrid SSPP-SIW filter is fabricated based on the proposed method, and the measured passband is at 7.3-11.2 GHz with a relative bandwidth of 44%. The upper stopband rejection level is lower than -40 dB from 11.8 to 19.8 GHz.
机译:这封信提出了一种新颖的混合欺骗表面等离子体激元极化子(SSPP)和衬底集成波导(SIW)滤波器,它具有宽带带通和宽带外抑制特性。通带的下限和上限频率可以分别通过更改SSPP和SIW单元的结构参数来独立调整。分析了SSPP和SIW单元的色散曲线,并研究了一些结构参数的影响。基于提出的方法,制造了一种混合SSPP-SIW滤波器,测得的通带为7.3-11.2 GHz,相对带宽为44%。在11.8至19.8 GHz范围内,较高的阻带抑制电平低于-40 dB。

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