一种谐振频率的简便求解与测量  

Discussion on the simple solution method of resonant frequency

作　　者：王韦刚[1] 张云伟 田龙彬 Wang Weigang;Zhang Yunwei;Tian Longbin(College of Electronic and Optieal Nanjing University of Posts and Telecommunications,Nanjing 210023,China)

机构地区：[1]南京邮电大学电光学院

出　　处：《电子测量技术》2019年第23期25-29,共5页Electronic Measurement Technology

基　　金：南京邮电大学校科研项目(NY215164);南京邮电大学教改项目(JGO3318JX65);实验室工作研究课题(2016XSG04);江苏省研究生科研与实践创新计划项目(SJCX19_0275)资助

摘　　要：谐振是正弦稳态交流电路的一种特定工作状态,在无线电通信及电工技术中有着广泛的应用。掌握各种电路频率在理论上的计算方法,对实际工程的频率测量具有很好的指导意义。为了能快速计算出谐振电路的频率值,针对串并联的混合连接电路,提出一种求解谐振频率的简便方法。该方法不仅能快速求解出电路的谐振频率,还能拓展电路频率的测量方法以及加强对谐振频率的深入理解。此外,还深入分析与研究了电路谐振频率的性质。最后,通过对实例进行了电路仿真实验,给出了相关的性能曲线,证实了该方法的实用性和有效性。Resonance is a specific operating state of sinusoidal steady-state AC circuits,which has a wide range of applications in radio communications and electrical engineering.Mastering the theoretical calculation methods of various circuit frequencies has a good guiding significance for the frequency measurement of actual engineering.In order to quickly calculate the frequency value of the resonant circuit,in this paper,a simple method for solving the resonant frequency is proposed for hybrid circuit.Our method can not only quickly solve the resonant frequency of the circuit,but also expand the measurement method of the circuit frequency and enhance the deep understanding of the resonant frequency.It has practical value in both theory and engineering.Besides,we analysis and study the nature of the circuit resonant frequency in-depth.Finally,the circuit simulation experiment is carried out on the example»and the related performance curves are given**which proves the practicability and effectiveness of the method.

关 键 词：谐振频率 混联电路 串联谐振 并联谐振 

分 类 号：TN919[电子电信—通信与信息系统]