JP2009271033A - 地震波干渉法 - Google Patents
地震波干渉法 Download PDFInfo
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Abstract
【解決手段】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、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、地中反射波の測定データの中から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擬似反射波の合成ショット記録を作成する。
【選択図】図1
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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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JP2008124405A JP5174526B2 (ja) | 2008-05-12 | 2008-05-12 | 地震波干渉法 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006275914A (ja) * | 2005-03-30 | 2006-10-12 | Toshibumi Matsuoka | 反射法地震探査による地下構造イメージング方法 |
JP2007298369A (ja) * | 2006-04-28 | 2007-11-15 | Oyo Corp | 地表震源による坑井間弾性波トモグラフィ法 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006275914A (ja) * | 2005-03-30 | 2006-10-12 | Toshibumi Matsuoka | 反射法地震探査による地下構造イメージング方法 |
JP2007298369A (ja) * | 2006-04-28 | 2007-11-15 | Oyo Corp | 地表震源による坑井間弾性波トモグラフィ法 |
Non-Patent Citations (2)
Title |
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JPN6012045834; 相澤隆生 他: 'フィールドで観測実データを用いた地震波干渉法の適用条件に関する検討' 物理探査 61(2), 200804, p121-132 * |
JPN6012054550; '「物理探査」(4月 第61巻 第2号)の表紙および奥付' 物理探査 * |
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