微動の2点同時観測から得られる空間自己相関係数の確率論的性質と位相速度の推定法に関する一考察

DOI

書誌事項

タイトル別名
  • A STUDY ON STOCHASTIC PROPERTIES OF AUTO-CORRELATION COEFFICIENTS FOR MICROTREMOR DATA SIMULTANEOUSLY OBSERVED AT TWO SITES

説明

We discussed the stochastic properties of the spatial auto-correlation (SPAC) coefficients for microtremor data which are observed simultaneously at two sites. Usually, the SPAC method can provide the phase velocities using the data observed simultaneously on circular array with four or seven sites. The method, however, suggests analytically the possibility that we can estimate the phase velocities using only the data observed simultaneously at two sites. To clarify the limitation of this idea, some mathematical analyses are performed and stochastic properties of the SPAC coefficients are derived. Furthermore, the real data of microtremors are applied to the above analytical results and the appropriateness is discussed.

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詳細情報 詳細情報について

  • CRID
    1390282680361313920
  • NII論文ID
    130004294807
  • DOI
    10.11532/proee2005a.29.1069
  • ISSN
    1884846X
  • 資料種別
    journal article
  • データソース種別
    • JaLC
    • CiNii Articles
    • KAKEN
  • 抄録ライセンスフラグ
    使用不可

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