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首页> 外文期刊>Journal of Microwaves, Optoelectronics and Electromagnetic Applications >Simulation and Design of a Bandpass Filter Based on Substrate Integrated E-Plane Waveguide
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Simulation and Design of a Bandpass Filter Based on Substrate Integrated E-Plane Waveguide

机译：基于基板集成电平波导的带通滤波器的模拟与设计

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摘要

This paper presents a bandpass filter based on a substrate integrated E-plane waveguide (SIEW) structure for wireless applications, at X-band. The SIEW geometry allows the development of new horizontally polarized filter topologies, unlike filter structures based on substrate integrated waveguide (SIW), which present vertical polarization (perpendicular to the ground plane). The simulation of the proposed SIEW filter is carried out using Ansoft HFSS software. To evaluate the performance of the proposed structure, the frequency behaviors of the scattering parameters are obtained for a horizontally polarized excitation. In the simulation, analyses are performed for the lossless and lossy (dielectric and metallic) cases, in order to compare the obtained results. The SIEW filter is fabricated and measured using a vector network analyzer (VNA). Measurement results are in agreement with simulation ones, validating the proposed filter design and topology. The fabricated prototype resonates at 10.54 GHz, with a bandwidth of 1.20 GHz, defined for a -3 dB transmission coefficient reference level. The SIEW filter structure is easy to design and manufacture and can be used in wireless communications systems that require components with ease integration into other planar structures.
机译：本文介绍了基于X波段的基于基板集成的E面波导（SIEW）结构的带通滤波器。 Siew几何允许开发新的水平偏振滤波器拓扑，与基于基板集成波导（SiW）的滤波器结构不同，该滤波器结构存在垂直极化（垂直于地平面）。使用ANSOFT HFSS软件进行所提出的SIEW滤波器的仿真。为了评估所提出的结构的性能，获得散射参数的频率行为用于水平极化激发。在模拟中，对无损和损耗（电介质和金属）情况进行分析，以比较所获得的结果。使用矢量网络分析器（VNA）制造和测量Siew滤波器。测量结果与模拟介绍一致，验证所提出的滤波器设计和拓扑。制造的原型以10.54GHz的共振，带宽为1.20 GHz，定义为-3 dB传输系数参考电平。 SIEW滤波器结构易于设计和制造，可用于无线通信系统，这些系统需要轻松集成到其他平面结构中。

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