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Use of 3D field simulators in the synthesis of waveguide capacitive iris coupled lowpass filters

机译:在波导电容性虹膜耦合低通滤波器的合成中使用3D场模拟器

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This paper presents the generalized lowpass filter design method of Levy based on three-dimensional electromagnetic analysis and discontinuity modeling using commercially available full-wave electromagnetic simulators. It shows how to use Levy's method for very accurate theoretical design of a waveguide capacitive iris lowpass filter, using modern 3D EM field-solvers based on the finite element method (FEM), the mode matching method (MM), and the transmission line matrix (TLM) analysis method. This is the first time that design curves and equations, based on full electromagnetic modeling, have been presented for constant thickness capacitive iris filters. We will demonstrate our approach by designing a number of waveguide capacitive iris filters. This paper also demonstrates the generality of the method. This method can be applied to many other types of waveguide lowpass and bandpass filters.© 2000 John Wiley & Sons, Inc. Int J RF and Microwave CAE 10: 190–198, 2000.
机译:本文介绍了Levy的通用低通滤波器设计方法,该方法基于三维电磁分析和使用市售全波电磁模拟器进行的不连续性建模。它展示了如何使用Levy方法对波导电容性虹膜低通滤波器进行非常精确的理论设计,该方法基于有限元方法(FEM),模式匹配方法(MM)和传输线矩阵使用现代3D EM场求解器(TLM)分析方法。这是首次针对恒定厚度的电容式虹膜滤波器提出了基于完全电磁建模的设计曲线和方程式。我们将通过设计许多波导电容性虹膜滤波器来演示我们的方法。本文还演示了该方法的一般性。此方法可以应用于许多其他类型的波导低通和带通滤波器。©2000 John Wiley&Sons,Inc. Int J RF和Microwave CAE 10:190–198,2000。

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