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文中将麦克斯韦场方程式和网络的电路方程式的类似性作比较,得出用电抗网路板求解轴对称电磁场问题的理论根据。讨论了工作频率f_b电感量L和电容量C的选择以及实际调整的方法。叙述了模拟室腔谐振器的谐振频率和场结构图的方法,解释了网路板的工作频率,LC的自然谐振频率和空腔谐振器的谐振频率这三者之间的关系;用网络谐振时在节点上量得的电压值描绘场图。最后列举了一些实验结果,并与理论值作了比较。
In this paper, the similarity between the Maxwell field equations and the network equations is compared, and the theoretical basis for solving the axisymmetric electromagnetic field problem with the impedance network board is obtained. The selection of the inductance f and the capacitance C at the operating frequency f_b and the method of actual adjustment are discussed. The method of simulating the resonance frequency and the field structure diagram of the cavity resonator is described, and the relationship between the working frequency of the network board, the natural resonant frequency of LC and the resonant frequency of the cavity resonator is explained. The magnitude of the voltage measured at the node depicts the field map. Finally, some experimental results are listed and compared with the theoretical value.