发明名称 |
Method of summing dual-sensor towed streamer signals using cross-ghosting analysis |
摘要 |
A merged particle velocity signal is generated by combining a recorded vertical particle velocity signal, scaled in an upper frequency range using a time-dependent arrival angle as determined by cross-ghosting analysis, with a simulated particle velocity signal, calculated in a lower frequency range from a recorded pressure signal using a time-varying filter based on the time-dependent arrival angle. Combined pressure and vertical particle velocity signals are generated from the recorded pressure and merged particle velocity signals. |
申请公布号 |
US8089825(B2) |
申请公布日期 |
2012.01.03 |
申请号 |
US20080231117 |
申请日期 |
2008.08.29 |
申请人 |
BARR, JR. FREDERICK JAMES;TENGHAMN STIG RUNE LENNART;PGS GEOPHYSICAL AS |
发明人 |
BARR, JR. FREDERICK JAMES;TENGHAMN STIG RUNE LENNART |
分类号 |
G01V1/38 |
主分类号 |
G01V1/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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