基于大气电场资料的预警体系及其阈值控制分析  

Early warning system based on atmospheric electric field data and its threshold control analysis

作　　者：刘威 雷彪 Liu Wei;Lei Biao(Zhenhai Meteorological Bureau of Ningbo,Ningbo 315206;Hangzhou Jiudao Brand Design Co.,Ltd.,Hangzhou 310000)

机构地区：[1]宁波市镇海区气象局,宁波315206 [2]杭州九道品牌设计有限公司,杭州310000

出　　处：《气象水文海洋仪器》2023年第3期47-50,共4页Meteorological,Hydrological and Marine Instruments

基　　金：宁波市镇海区公益类科技计划项目“基于镇海区大气电场数据的预警阈值研究”(镇科[2020]20号)资助。

摘　　要：文章详细介绍了Pre-storm 2.0场磨式大气电场仪的系统组成与功能、信号输出与级别等预警程序,同时结合辖区内雷暴过程的发生、发展、监测预警体系及大气电场幅值阈值控制,运用统计学原理、幅值差分方法对典型雷暴过程进行案例剖析,所得结果以期提高预警准确率,为辖区防灾减灾提供必要的支持。This paper introduces the system composition and function,signal output level and other early warning procedures of Pre-storm2.0 rotating-vane atmospheric electric field meter in detail.At the same time,combined with the occurrence,development,monitoring and early warning system of thunderstorm process in the jurisdiction and the threshold control of atmospheric electric field amplitude,the statistical principle and amplitude difference method are used to analyze the typical thunderstorm process.The results are expected to improve the accuracy of early warning and provide necessary support for disaster prevention and mitigation in the jurisdiction.

关 键 词：大气电场 时序差分 雷电监测 预警 阈值控制 

分 类 号：P412[天文地球—大气科学及气象学]