微震仪有线传输避雷研究
A STUDY ON LIGHTNING PREVENTION OF TELEPHONE LINE TRANSMISSION OF MICROSEISMOGRAPHS
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摘要: 本文通过对雷电放电分析,研究解决微震仪有线传输的避雷问题,并介绍接收雷电信号控制传输线上电荷对地短路的"DBL-1"避雷仪。Abstract: This paper, by analysis of lightning dischange.has studied and solved the problem on lightning prevention of telephone line transmission of microseismographs, and introduced "DBL-l" lightning prevention meter.