JP2015224916A5 - - Google Patents

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JP2015224916A5
JP2015224916A5 JP2014108923A JP2014108923A JP2015224916A5 JP 2015224916 A5 JP2015224916 A5 JP 2015224916A5 JP 2014108923 A JP2014108923 A JP 2014108923A JP 2014108923 A JP2014108923 A JP 2014108923A JP 2015224916 A5 JP2015224916 A5 JP 2015224916A5
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JP
Japan
Prior art keywords
vibration
calculated
wave generated
receiving device
vibration wave
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JP2014108923A
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JP2015224916A (ja
JP6347480B2 (ja
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Priority claimed from JP2014108923A external-priority patent/JP6347480B2/ja
Priority to JP2014108923A priority Critical patent/JP6347480B2/ja
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Priority to CA2947662A priority patent/CA2947662C/en
Priority to PCT/JP2015/065110 priority patent/WO2015182608A1/ja
Priority to AU2015266532A priority patent/AU2015266532B2/en
Publication of JP2015224916A publication Critical patent/JP2015224916A/ja
Priority to US15/355,878 priority patent/US10281601B2/en
Publication of JP2015224916A5 publication Critical patent/JP2015224916A5/ja
Publication of JP6347480B2 publication Critical patent/JP6347480B2/ja
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Description

図10(A)に示すように、震源装置50から発生する振動波の振動信号を「f(ω)」、受振装置60において受信する測定振動信号を「R(ω)」とすると、震源装置50から受振装置60までの地盤の伝達関数H(ω)は、以下の式により算出することができる。
H(ω)=1/f(ω)×R(ω)
反転運転時において、震源装置50から発生する振動波は制御されておらず予め把握することはできないものの、信号処理装置1は、震源装置50の動作のログ情報(例えば、偏心錘の位置や速度等)から、震源装置50から実際に発生している振動波を算出することができる。そのため、反転運転時であっても、震源装置50から発生する振動波の振動信号f(ω)を取得することができる。
また、震源装置50から受振装置60までの地盤の伝達関数H(ω)は、定常運転時において既に算出しているため、標準周期信号R´(ω)は、以下の式により算出することができる。
R´(ω)=H(ω)×f(ω)
JP2014108923A 2014-05-27 2014-05-27 振動検出システム、信号処理装置及び信号処理方法 Active JP6347480B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2014108923A JP6347480B2 (ja) 2014-05-27 2014-05-27 振動検出システム、信号処理装置及び信号処理方法
CA2947662A CA2947662C (en) 2014-05-27 2015-05-26 Vibration detection system, signal processing device, and signal processing method
PCT/JP2015/065110 WO2015182608A1 (ja) 2014-05-27 2015-05-26 振動検出システム、信号処理装置及び信号処理方法
AU2015266532A AU2015266532B2 (en) 2014-05-27 2015-05-26 Vibration detection system, signal processing device, and signal processing method
US15/355,878 US10281601B2 (en) 2014-05-27 2016-11-18 Vibration detecting system, signal processing apparatus and signal processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014108923A JP6347480B2 (ja) 2014-05-27 2014-05-27 振動検出システム、信号処理装置及び信号処理方法

Publications (3)

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JP2015224916A JP2015224916A (ja) 2015-12-14
JP2015224916A5 true JP2015224916A5 (ja) 2016-12-15
JP6347480B2 JP6347480B2 (ja) 2018-06-27

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US (1) US10281601B2 (ja)
JP (1) JP6347480B2 (ja)
AU (1) AU2015266532B2 (ja)
CA (1) CA2947662C (ja)
WO (1) WO2015182608A1 (ja)

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BR112016015182B1 (pt) * 2013-12-30 2022-10-04 Pgs Geophysical As Sistema e método de controle para vibradores marinhos que operam próximo de fontes de sinais sísmicos impulsivos
JP6423219B2 (ja) * 2014-09-24 2018-11-14 前田建設工業株式会社 構造物の安全性診断システム
US11481677B2 (en) * 2018-09-30 2022-10-25 Shearwater Geoservices Software Inc. Machine learning based signal recovery
CN112946728A (zh) * 2019-12-11 2021-06-11 中国石油天然气集团有限公司 可控震源振动器振动工作保护控制方法及装置
CN111522060A (zh) * 2020-04-17 2020-08-11 重庆地质矿产研究院 一种页岩气开发区域的地震监测系统
JPWO2022176717A1 (ja) * 2021-02-17 2022-08-25
CN113720421B (zh) * 2021-09-22 2023-09-22 北京锐达仪表有限公司 振动波分层界面测量装置及测量方法

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EA008398B1 (ru) * 2003-08-11 2007-04-27 Эксонмобил Апстрим Рисерч Компани Способ непрерывного качания частоты и разделения нескольких сейсмических вибраторов
US9519072B2 (en) 2006-05-11 2016-12-13 Schlumberger Technology Corporation Method and apparatus for locating gas hydrate
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