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Research for Seismic Electromagnetic Phenomena in VHF and MF Bands

Research for Seismic Electromagnetic Phenomena in VHF and MF Bands
VHF和MF频段地震电磁现象研究
批准号:
20560362
负责人:
YOSHIDA Teruaki
金额:
$2.91万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

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中文摘要
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英文摘要
Received levels of non-line-of-sight in VHF and MF bands have been continuously observed in day and night. Observation results as follows: The received levels in MF band fluctuated with good correlation at sunrise and sunset. The received levels in VHF band frequently increased about 20 dB in midnight. It was confirmed that the phenomenon was due to fluctuation of aerological atmospheric refractivity. Tohoku-Pacific Ocean Earthquake occurred on 11th March 2011. It was confirmed that the electromagnetic phenomenon associated with the earthquake was feebler than that with aerological atmospheric refractivity.
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会议论文
瀬戸内地域におけるUHF帯電波の海上伝搬特性
濑户内地区UHF电波的海上传播特性
DOI: --
发表时间: 2009
期刊: 電子情報通信学会論文誌B Vol. J92-B, No. 1
影响因子: --
作者: [岩見哲也, 西正博, 吉田彰顕]
通讯作者: 吉田彰顕
DOI: --
发表时间:
期刊:
影响因子: --
作者: []
通讯作者:
見通し外FM放送波の電波伝搬特性と地震活動との関連
非视距调频广播波的无线电波传播特性与地震活动的关系
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者: [吉田彰顕, 西正博, 新浩一]
通讯作者: 新浩一
見通し外FM放送波の電波伝搬特性と地震活動と の関連
非视距调频广播波的无线电波传播特性与地震活动的关系
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者: [吉田彰顕, 西正博, 新浩一]
通讯作者: 新浩一
8
    Research on Over-reach Interference Propagations for Non-line-of-sight Terrestrial Digital Television
    • 批准号:
      23360174
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $8.74万
    • 财政年份:
      2011
    • 负责人:
      YOSHIDA Teruaki
    • 依托单位:
    Observations of CD-seismic Electromagnetic Phenomena in VHF Band
    • 批准号:
      14550367
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.56万
    • 财政年份:
      2002
    • 负责人:
      YOSHIDA Teruaki
    • 依托单位:
    海外基金