基础实验题B:滤波电路的研究  

Fundamental test B:Research on filter circuit

作　　者：惠王伟[1,2] 钱钧[1,2] 牛紫平 王槿[1,2] 于健[1,2] 陈平[1,2] 姚江宏[1,2] 孔勇发[1,2] HUI Wang-wei;QIAN Jun;NIU Zi-ping;WANG Jin;YU Jian;CHEN Ping;YAO Jiang-hong;KONG Yong-fa(School of Physics,Nankai University,Tianjin 300071,China;National Demonstration Center fox Experimental Physics Education,Nankai University,Tianjin 300071,China)

机构地区：[1]南开大学物理科学学院,天津300071 [2]南开大学基础物理国家级实验教学示范中心,天津300071

出　　处：《物理实验》2019年第10期37-41,共5页Physics Experimentation

基　　金：教育部基础学科拔尖学生培养试验计划(No.20170108,20170301);国家基础科学人才培养基金项目(No.J1210027);南开大学物理基地能力提高项目(No.J1103208)

摘　　要：介绍了第5届全国大学生物理实验竞赛基础实验题B的实验内容,给出了参考解答,并分析了竞赛结果.实验试题B为滤波电路的研究,包括4个小题:一阶RC滤波电路、二阶RC滤波电路、串联谐振选频电路和电学黑盒子.实验既有常规内容,同时也在常规实验的基础上进行了拓展.该试题比较全面地考察了考生的电学基础知识、实验操作能力和利用所掌握的知识解决实际问题的能力.The experiment content,solution and result analysis of the fundamental test B of the5 th Chinese Undergraduate Physics Experiment Competition were given.The title of test B was research on filter circuits.It included four sub-questions:first-order RCfilter circuit,second-order RC filter circuit,resonance circuit and electrical black box.The test involved not only conventional contents,but also the expansions to conventional ones.This test could comprehensively examine the examinee's basic electrical knowledge,the ability to operate experiments and the ability to use the knowledge acquired to solve practical problems.

关 键 词：RLC电路 滤波电路 谐振电路 

分 类 号：TM13[电气工程—电工理论与新技术]