大家知道，雷电会损坏通信设备，甚至会造成建筑物倒塌，人员伤亡。自从２００多年前富兰克林发明避雷针之后，建筑物得到有效的保护。但是，随着现代无线电技术的不断发展，大量精密通信设备的使用，雷击造成设备损坏的事故呈上升趋势。这是由于无线电通信设备大量采用了ＣＭ As we all know, thunder and lightning can damage communications equipment and even cause the collapse of buildings and casualties. Buildings have been effectively protected since Franklin invented the lightning rod more than 200 years ago. However, with the continuous development of modern radio technology, the use of a large number of sophisticated communications equipment and the accident of equipment damage caused by lightning strikes are on the rise. This is due to the extensive use of CM by radiocommunication equipment