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本文系统地阐述了低通波状波导滤波器的基本理论、工作原理、参数公式、工程设计曲线的制作以及设计这种滤波器的方法和步骤。特别着重阐述了这种滤波器的各种参数的物理意义以及这些参数对滤波器性能的影响,这对于合理选择设计参数有着现实意义。最后给出了设计实例以及设计这种滤波器的经验和改进意见,这对于使这种滤波器设计得最佳有一定的参考价值。
This paper systematically expounds the basic theory, working principle, parameter formula, engineering design curve of low-pass waveguides filter and the method and steps of designing this filter. In particular, the physical significance of the various parameters of the filter and the influence of these parameters on the performance of the filter are emphasized, which is of practical significance for the rational selection of the design parameters. Finally, the design examples and the experience of designing this filter are given. Some suggestions are given to improve the design of this filter.