地闪

一个女司机在他超车时不停地闪着车前灯，这让他火冒三丈。

He lost his temper after a driver flashed her headlights as he overtook

红色警示灯一明一灭地闪着。

At intervals there were red warning lights .

地闪定向仪（DF）的测站定向误差及应用

The site error and application of direction finder for ground flash

利用闪电定位系统（LLS）在兰州地区和北京地区探测到的共两万多个地闪资料，对两地的正、负地闪特征进行了对比。

Over twenty thousand lightning location data from Lanzhou region and Beijing area have been analysed .

并引入脉冲丰度这一概念，对地闪各特征阶段VHF辐射脉冲进行定量分析。

A concept of pulse plentiful degree ( PPD ) was introduced to interpret quantitatively the VHF radiation phenomena in each discharge stage of lightning .

M-LDARS观测的北京地区云地闪特征分析

The characteristics of ground flashes detected by M-LDARS in Beijing region

在此基础上，以地闪密度等级为目标属性，11个地形属性为候选属性，建立了C4.5决策树模型，依据所建立的树提取出了If-then形式规则。

Then the C4.5 decision tree model is built with the attribute of flash density classes as a target attribute and 11 topographical attributes as candidate attributes .

0.1~40MHz地闪、云闪及NBE事件的辐射场频谱特征分析

The Lightning Radiation Field Spectra of Cloud-to-Ground , Intra-Cloud Flashes and Narrow Bipolar Events in the Intervals of 0.1 to 40 MHz

与回击主电流峰期间VHF辐射较弱不同，地闪最强的VHF辐射来自初始击穿过程和回击后云内放电通道扩展或者新通道形成过程；

The strongest VHF radiation can be produced by both preliminary breakdown before the first return stroke and extension of old channel or formation of new channel after the return stroke while VHF radiation associated with the return stroke peak is quite weak .

利用地面雷电探测网资料、多普勒雷达和卫星资料对一次典型的MCS过程的地闪变化特征进行了分析，结果表明，在系统发展的最初阶段全为负地闪；

The evolution of cloud-to-ground ( CG ) lightning in a typical mesoscale convective system ( MCS ) was analyzed by using the data from lightning detection system , Doppler radar and satellite . The result shows that almost all the CG flashes are negative at the first developing stage .

在雷暴初期及活跃期前期，地闪回击发生之前有持续170～300ms的云内放电过程，它发生在云下部正电荷区和主负电荷区。

Positive and negative flashes usually follow cloud discharges which lasted 170 ~ 300 ms and occurred between lower positive charge region and main negative charge region during the developing stage and early active stage of thunderstorm .

两次超级单体雷暴的电荷结构及其地闪特征

Charge Structures and Cloud-to-ground Lightning Discharges Characteristics in Two Supercell Thunderstorms

高原雷暴地闪回击辐射场特征分析

Characteristics of the radiation fields from return strokes in plateau thunderstorms

那些房屋的灯光沉闷地闪现在山边。

The lights of the houses gleamed dully on the hillside .

地闪电磁脉冲对近地电缆外导体的耦合研究

Study on coupling of LEMP to cables very close to ground

正极性地闪和双极性闪电特征的最新观测结果

The Latest Observation of Characteristics of Positive and Bipolar Lightning Discharges

相对于地闪发生位置的对流性降水空间分布；

The spatial distribution of rainfall relative to the CG lightning location ;

地闪回击的微秒级辐射场特征及近地面连接过程分析

Radiation electric field of return stroke and attachment process near the ground

正负地闪首次回击负反冲深度分别为20%、31%，其二者均介于美国夏季雷暴和日本冬季雷暴之间。

The overshoot depth is 20 % and 31 % , respectively .

北京与兰州地区的地闪特征

The characteristics of ground flashes in Beijing and Lanzhou regions

利用对地闪的观测估算对流性天气中的降水

Estimation of Rainfall in Convective Weather System by Using CG Lightning Data

地闪连续电流特征的统计分析

Statistics analysis of characteristics of continuing current in C-G lightning

非稳定直流电源放电地闪模式

Ground flash mode of not stabilizing direct current power discharge

地闪雷电电磁脉冲防护研究中的几个问题

Several problems in the research on protection against LEMP of cloud-to-ground strokes

爱伦试着不笑，但她的眼睛快乐地闪着光。

Ellen tried not to laugh , but her eyes sparkled merrily .

地闪回击辐射场波形的重构及地闪放电参量的估算

Reconstruction of Return Stroke Radiation Field Waveforms and Estimation of Cloud-to-Ground Discharges Parameters

研究了4次地闪的甚高频辐射波形及其特征。

Moreover , waveforms of VHP radiations of 4 cloud-to-ground flashes were analyzed .

地闪回击电流水平电场近场研究

Study on Horizontal Electric Field of Close Range Generated by Return Stroke Current

地闪资料反演山东雷暴天气降水的适用性分析

Applicability Analysis of Thunderstorm Precipitation Inversion in Shandong Province via CG Lightning Data

现在，大海在我们的面前平静地闪着微光。

The sea now shimmered placidly before our eyes .