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讨论了一种调节微波介质谐振器谐振频率的新方法，通过改变该结构中介质谐振器顶端介质覆盖层的厚度，或者置换具有不同介电常数的介质覆盖层，均可实现谐振频率的微调，本文应用开波导法分析和计算了介质覆盖层参数的改变对微波介质谐振器谐振特性的影响，并将计算结果与实验数据进行比较，两者吻合良好
A new method of adjusting the resonant frequency of a microwave dielectric resonator is discussed. The resonant frequency can be fine-tuned by changing the thickness of the dielectric coating at the top of the dielectric resonator in the structure or by replacing the dielectric coating with different permittivity. In this paper, the open-waveguide method is used to analyze and calculate the influence of the change of the dielectric coating parameters on the resonant characteristics of microwave dielectric resonators. The calculated results are in good agreement with the experimental data.