强激光与粒子束, 2005, 17 (7): 1038, 网络出版: 2006-04-28   

微波同轴腔高阶TM模式参数的计算

Calculation of higher-order TM mode parameters of microwave cylindrical coaxial cavity resonator
董玉和 1,2,3丁耀根 1肖刘 1,3
作者单位
1 中国科学院电子学研究所,北京,100080
2 内蒙古科技大学数理系,内蒙古,包头,014010
3 中国科学院研究生院,北京,100049
摘要
用FORTRAN语言编程计算了微波圆柱同轴谐振腔TM工作模式的系列关**数.给定合适的几何结构参数范围与模式参数范围,就可快速算出同轴腔内所有可能存在的腔体尺寸、本征频率、纵向电场强度极大值的位置对应的半径以及该位置处的特性阻抗.这样,设计者就可以根据特定的需要,从计算出的大量结果中选取符合要求的结构参数,为下一步仿真和实验提供依据,减少了设计初期冗长反复的仿真模拟和试错实验.用3维电磁场软件ISFEL 3D对计算结果进行仿真发现:计算结果与仿真结果有很好的一致性,说明自编程序的计算结果可以作为多注速调管谐振腔设计的优选或优化数据库,可以提高其设计的准确性和效率.
Abstract
The inter-related parameters of higher-order TM mode was investigated of microwave cylindrical coaxial cavities. Using FORTRAN program, parameters of the cavity were obtained, such as cavities' size, orders of TM mode, frequencies, radii of positions of longitudinal maximum electric field intensity and characteristic impedances in the cavities etc. The calculated result was in good agreement with that simulated by ISFEL 3D. Database used for optimum seeking can be gotten instantly this way instead of the time-consuming emulation by trial and error method.
参考文献

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董玉和, 丁耀根, 肖刘. 微波同轴腔高阶TM模式参数的计算[J]. 强激光与粒子束, 2005, 17(7): 1038. DONG Yu-he, DING Yao-gen, XIAO Liu. Calculation of higher-order TM mode parameters of microwave cylindrical coaxial cavity resonator[J]. High Power Laser and Particle Beams, 2005, 17(7): 1038.

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