基于这种方法，制作了一个C波段的单级微带端耦合滤波器。

Based on this method, a C-band single stage microstrip line end-coupled filter has been designed and fabricated.

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本论文分析了单级LC滤波器、两级LC滤波器和谐振滤波器三种滤波器的特点。

This dissertation analyzes the characteristics of single stage LC filter, two-stage LC filter, and resonance filter respectively.

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同时，分析了单级振子YIG滤波器中耦合环参数对通带响应的影响。

Also, the influence of the parameters of the coupling loops on the passband response is analyzed for a single-stage YIG resonance filter.

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