• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Asia-Pacific International Symposium on Electromagnetic Compatibility >Reconstructing initial continuous current waveform in rocket-triggered lightning with close magnetic measurement
【24h】

Reconstructing initial continuous current waveform in rocket-triggered lightning with close magnetic measurement

机译：用近距离磁测量重建火箭触发闪电中的初始连续电流波形

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

We present a new method that remotely measures the initial continuous current in classical rocket-and-wire triggered lightning using a compact dB/dt sensor deployed at 78 m distance from the channel base. The current waveform retrieved from the numerical integration of close magnetic signals perfectly shows the general feature and all the slow variations (such as M-components) embedded in the channel-base current measured with a shunt. This method was applied to several rocket-triggered lightning flashes in 2014, including one flash containing a long continuous current similar to that occurring in natural lightning. In comparison with the shunt measurement, the new method has the advantage of significantly reduced noise (with the lower detection threshold as small as a few mA). Our method could be applied to remotely probe the initial continuous current in upward lightning from high objects and altitude-triggered lightning, as well as continuing current in natural cloud-to-ground lightning strokes at a sufficiently close range.
机译：我们介绍了一种新方法，使用距沟道基座78米距离的紧凑型DB / DT传感器远程测量经典火箭和导线触发闪电中的初始连续电流。从密闭磁信号的数值积分检索的电流波形完美地显示了嵌入在用分流器测量的通道基电流中嵌入的通道基电流中的一般特征和所有慢变化（例如M组件）。该方法应用于2014年的几个火箭触发闪电，包括一个闪光灯，其中一个闪光灯含有与自然闪电中的长连续电流相似。与分流测量相比，新方法具有显着降低的噪声的优点（具有较低的检测阈值，只有几MA）。我们的方法可以应用于远程探测来自高对象和高度触发闪电的向上闪电的初始连续电流，以及在足够近距离的天然云到地闪电冲程中的持续电流。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号