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Uniaxial Dielectric Waveguide Filter Design Accounting for Losses Using Mode Matching Technique

机译:使用模式匹配技术解决损耗的单轴介质波导滤波器设计

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摘要

Dielectric filters can provide compact solutions for filter design problems. However, most dielectrics exhibit uniaxial properties, as well as, losses that will undoubtedly affect performance if not accounted for. This paper derives dispersion relations for lossy uniaxial media in dielectric waveguides and also accounts for lossy conducting walls. The waveguide discontinuity problem in the presence of lossy uniaxial media and finite conductivity waveguide walls, is calculated by mode matching technique and the results are applied to a Ka band filter. The design specifications for the proposed filter are a 32.5 GHz center frequency with 6%. Good agreement between simulated and measured results are shown.
机译:介电滤波器可以为滤波器设计问题提供紧凑的解决方案。但是,大多数电介质均表现出单轴性能,并且,如果不加以考虑,损耗无疑会影响性能。本文推导了介质波导中有损耗的单轴介质的色散关系,并说明了有损耗的导电壁。通过模式匹配技术计算了存在有损耗的单轴介质和有限电导率波导壁时的波导不连续性问题,并将结果应用于Ka带滤波器。建议的滤波器的设计规格是32.5 GHz中心频率,为6%。显示了模拟结果与测量结果之间的良好一致性。

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