JP5174526B2 - 地震波干渉法 - Google Patents
地震波干渉法 Download PDFInfo
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- JP5174526B2 JP5174526B2 JP2008124405A JP2008124405A JP5174526B2 JP 5174526 B2 JP5174526 B2 JP 5174526B2 JP 2008124405 A JP2008124405 A JP 2008124405A JP 2008124405 A JP2008124405 A JP 2008124405A JP 5174526 B2 JP5174526 B2 JP 5174526B2
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Claims (4)
- 地中または地表へ向かう振動が地中の反射点で反射した地中反射波を、地表に配置した異なる二地点に配置した受振器で同時刻に測定し、それらの測定データの波形について相互相関処理を行うことにより一方を震源に他方を受振点とした場合の波形を合成して作成した擬似反射波の合成ショット記録に所定の処理を加えて統合し、測定区域における地下構造の可視化データを合成する地震波干渉法において、前記地中へ向かう振動についての実際の伝播方向を特定するとともに、前記地中反射波の測定データの中から前記地中へ向かう振動の実際の伝播方向に進行する反射波の測定データを抽出して前記擬似反射波の合成ショット記録を作成することを特徴とする地震波干渉法。
- 前記地中または地表へ向かう振動が、地中雑音により生じた振動である請求項1記載の地震波干渉法。
- 前記地中または地表へ向かう振動が、少数の発破により発生させた振動である請求項1記載の地震波干渉法。
- 前記地中または地表へ向かう振動が、自然地震により発生する振動である請求項1記載の地震波干渉法。
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JP2009271033A JP2009271033A (ja) | 2009-11-19 |
JP5174526B2 true JP5174526B2 (ja) | 2013-04-03 |
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JP4181139B2 (ja) * | 2005-03-30 | 2008-11-12 | 俊文 松岡 | 反射法地震探査による地下構造イメージング方法 |
JP4632312B2 (ja) * | 2006-04-28 | 2011-02-16 | 応用地質株式会社 | 地表震源による坑井間弾性波トモグラフィ法 |
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