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本文首次采用有限元法对有调谐销钉的可调频薄基片矩形贴片微带天线的谐振频率和输入阻抗进行了计算，谐振频率的计算结果与实验结果符合很好．该方法原则上适合于任意数目调谐销钉置于任意位置的情形．可能会是处理带调谐销钉的最有效的方法．
In this paper, the resonant frequency and the input impedance of a microstrip patch antenna with tunable pinned thin substrate are calculated by finite element method for the first time. The calculation results of the resonant frequency are in good agreement with the experimental results. This method is suitable in principle for any number of tuning pins in any position. It may be the most effective way to handle tuned pins.