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Development of Direction Finding of Man-made Noise Sources

Development of Direction Finding of Man-made Noise Sources
人造噪声源测向的进展
批准号:
07650478
负责人:
HAYAKAWA Masashi
金额:
$1.41万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
1995
资助国家:
日本
项目状态:
已结题
起止时间:
1995 至 1996

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中文摘要
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英文摘要
Direction finding of man made noises is of essential uimportance in EMC.Though some mthods have so far beenproposed, there are problems with them.The method we proposed, has the following advantages ; (1) it provides us withthe snapshot distribution of noise sources, and (2) it is based on the measurement of multiple field components ata single point. Computer simulations have shown that we can have the distributions of right- and left-handed polarized components by using the maximum entropy concept, and the agreement with the assumed source was found to be good. Further the effect of noise on the image reconstruction was also estimated.Finally we carried out the laboratory experiment and we obtained a good agreement with the assumed source.
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作者: []
通讯作者:
M.Hirari, M.Hayakawa: "A neural network for the DOA of vlf/elf radio waves" ibid. E79-B. 1598-1605 (1996)
M.Hirari、M.Hayakawa:“用于 vlf/elf 无线电波 DOA 的神经网络”同上。
DOI: --
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通讯作者:
N.suzuki,M.Hayakawa,Y.Maeda: "A Proposal on the direction finding for man-made radio noise sources ; Simulation Experiments" Iroc.1996 Int'l Symp.on Antennas d Propagation (chiba,Japn). vol.3. 729-732 (1996)
N.suzuki、M.Hayakawa、Y.Maeda:“关于人造无线电噪声源测向的建议;模拟实验”Iroc.1996 Intl Symp.on Antennas d Propagation(日本千叶)。
DOI: --
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作者: []
通讯作者:
M.Hirari,M.Hayakawa: "A neural network for the DOA of VLF/ELF radio waves" Trans.Inst.Electr.Inform.Comm.Egrs.japan. E79-B. 1598-1605 (1996)
M.Hirari、M.Hayakawa:“用于 VLF/ELF 无线电波 DOA 的神经网络” Trans.Inst.Electr.Inform.Comm.Egrs.japan。
DOI: --
发表时间:
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作者: []
通讯作者:
10
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    • 批准号:
      20540261
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.75万
    • 财政年份:
      2008
    • 负责人:
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    • 依托单位:
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    • 批准号:
      15403012
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $9.86万
    • 财政年份:
      2003
    • 负责人:
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    • 依托单位:
    Role of ULF emissions in the terrestrial electromagnetic environment
    • 批准号:
      09044067
    • 项目类别:
      Grant-in-Aid for international Scientific Research
    • 资助金额:
      $6.08万
    • 财政年份:
      1997
    • 负责人:
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    • 依托单位:
    Cloud-to-Ionosphere Discharge, Electromagnetic Radiation and Their Effect on Power Transmission.
    • 批准号:
      09450110
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $8.96万
    • 财政年份:
      1997
    • 负责人:
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    • 依托单位:
    海外基金