在频率资源日益紧张的今天，滤波器作为现代通信系统必不可少的选频器件，其作用日益突出，其性能的优劣直接影响整个通信系统的质量。现代微波滤波器大体来讲有两种结构：单通路和多通路结构。单通路结构简单，多通路结构可以引入交叉耦合产生传输零点，单通路结构可以通过K或J变换、Richard变换以及直接耦合的方式来综合实现，而广义切雪夫综合可以实现这两种结构。本文主要研究了微带和腔体滤波器的设计思路和方法，对广义切比雪夫滤波器的理论进行了探讨，并总结了微波滤波器的设计思想。基于这些理论，本文利用HFSS软件仿真，设计了几款满足要求的微波滤波器，同时通过在发夹滤波器中引入交指电容对其进行了改进，得到了新结构的发夹滤波器。最后，本文探讨了利用仿真软件ADS和HFSS对腔体滤波器进行联合仿真，实现滤波器的快速调谐，以减少调节时间。

In today’s increasingly tense frequency resources, the filter, as the selected frequency components, is essential for modern communication systems, its role becoming increasingly prominent and its performance directly affecting the quality of the whole communication system. General speaking, there are two structures of modern microwave filters: single channel and multi-channel structure. The structure of single channel is simple and the multi-channel structure can generate transmission zeros by introducing cross-coupling. Single channel structures can use K or J transformation, Richard transformation and direct coupling to synthesize and realize, and the generalized Chebyshev synthesis can realize both structures.This paper studies the microstrip and cavity filter design ideas and methods, discusses the generalized Chebyshev filter theory and summaries the microwave filter design. Based on these theories, several microwave filters, meeting the requirements, are designed using HFSS simulation software, while hairpin filter is improved by introducing interdigital capacitor and get a new structure hairpin filter. At last, this paper discusses the co-simulation of cavity filter using ADS and HFSS simulation software to achieve rapid tuning filters to reduce the settling time.