一、前言机场有净空要求,通信、导航、雷达、气象等台站必须设置在空旷区域或最高处,空管设备遭受雷击概率较大;随着全球气候变暖,许多地方的年雷电日增加,始雷时间提前,终雷时间推迟;民航快速发展,机场建筑的规模今非昔比,浦东在建航管指挥楼高度达百米以上;科技进步使各种 I. INTRODUCTION Airport has a requirement for headroom. Stations such as communications, navigation, radar and meteorology must be set up in open areas or at the highest place, and air traffic control equipment is subject to a greater probability of lightning strikes. As the global climate warms, the annual lightning days in many places increase , The beginning of thunder time in advance, the end of thunder time postponed; rapid development of civil aviation, the scale of the airport construction is not the same, Pudong is building navigation command building height of 100 meters or more; advances in science and technology make all kinds