How to design this filter is a complicated question, and this article will focus on ways to increase the transmission zeros during the design of the Coaxial cavity filters.

而该思想的分析与实现方法一直是设计中的难点，本文在腔体滤波器的优化设计中着重介绍了增加传输零点的方法。

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Stepped Impedance Resonators (SIR) taken as basic resonator unit of coaxial filters, a kind of generalized Chebyshev coaxial-cavity filter through cross coupling is designed.

利用阶跃阻抗谐振器SIR作为同轴腔滤波器的基本谐振单元，设计了一个利用交叉耦合来实现广义切比雪夫函数的同轴腔体滤波器。

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