Development of VLF/LF bands interferometer and its initial observations

被引：0

作者：

Takayanagi Y. ^{[1
]}

Akita M. ^{[1
,2
]}

Nakamura Y. ^{[3
]}

Yoshida S. ^{[1
]}

Morimoto T. ^{[1
]}

Ushio T. ^{[1
]}

Kawasaki Z.-I. ^{[1
,4
]}

Yamamoto K. ^{[1
]}

机构：

[1] Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, 2-1, Yamada-oka

[2] Overseas Fellowship Division, Japan Society for the Promotion of Science (JSPS), Chiyoda-ku, Tokyo 102-8472

[3] Department of Electric Engineering, Kobe City College of Technology, Higashimachi, Nishi-ku, Kobe, Hyogo 651-2194, 8-3, Gakuen

[4] Electronics, Communications and Computer Science Engineering School, Egypt-Japan University of Science and Technology, New Borg El-Arab City, Alexandria, P.O.Box 179

来源：

IEEJ Transactions on Fundamentals and Materials | 2011年 / 131卷 / 09期

关键词：

Broadband interferometry; EM source location; Lightning discharge;

D O I：

10.1541/ieejfms.131.716

中图分类号：

学科分类号：

摘要：

We have been developing EM source location system in VLF/LF bands based on broadband digital interferometry to monitor lightning activities in a wide area. Since EM waves in VLF/LF radiated by lightning discharges propagate a long distance, the VLF/LF interferometer locates lightning discharges a few hundred kilometers away from the VLF/LF interferometer. We conducted lightning observation campaign by a prototype of a VLF/LF band digital interferometer and VHF band digital interferometers in Darwin, Australia. Horizontal distances between VLF/LF and VHF band locations show that VLF/LF radiation sources were located near those of VHF source. We succeeded in locating VLF/LF radiation sources associated with return strokes near the ground. © 2011 The Institute of Electrical Engineers of Japan.

引用

页码：716 / 722

页数：6

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