谐振第20讲 谐振
内容
什么是谐振?什么是电路谐振
串联谐振
谐振频率
其他谐振
利用谐振 谐振时的入端电阻
Principles of Electric Circuits Lecture 20 Tsinghua University 2005
1
1 谐振与电路谐振
resonance
a vibration of large amplitude in a mechanical or
electrical system caused by a relatively small
periodic stimulus of the same or nearly the same
period as the natural period of the system.
19世纪的
垮桥悲剧
法、德、俄
非常著名的Tacoma大桥垮塌事件
Washington, USA ……