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System and method for accurate determination of ocean bottom seismometer positioning and timing
System and method for accurate determination of ocean bottom seismometer positioning and timing
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机译:准确确定海底地震仪定位和时间的系统和方法
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摘要
There is provided herein a system and method of seismic exploration that produces improved locations and timings for ocean bottom seismometers. The instant method utilizes linearized inversion in conjunction with a conventionally accurate clock to provide both time and positioning for each OBS unit with high accuracy as compared with the prior art approach. Inversion is one mathematical tool that effectively performs the requisite triangulation. Furthermore, the clock drift can be accounted for in the inversion scheme. The inversion not only determines the OBS position and shot timing errors, but also estimates the accuracy of the position and timing determination.
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