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人工传输线以其慢波效应可以使微波部件小型化,因而得到了广泛应用。首先介绍了人工传输线的基本原理,给出了一种简洁的等效电路模型,然后推导出了基于该模型的传输特性计算公式;在此基础上,根据仿真结果推算出各等效电路参数,从而得到了人工传输线传输特性与等效电路参数的关系;最后设计制作了人工传输线,测试结果与分析结果比较吻合,证明了提出的分析模型是有效的。为进一步简化设计平面型人工传输线奠定了基础。
Artificial transmission line with its slow wave effect can miniaturize microwave components, which has been widely used. First of all, the basic principle of artificial transmission line is introduced, a simple equivalent circuit model is given, and then the transmission characteristic calculation formula based on the model is deduced. Based on the simulation results, the equivalent circuit parameters are deduced, The relationship between transmission characteristics of artificial transmission line and equivalent circuit parameters is obtained. Finally, a manual transmission line is designed and manufactured. The test results are in good agreement with the analysis results, which proves that the proposed analysis model is effective. Laid the foundation for further simplifying the design of planar artificial transmission lines.