OBS的时钟校正:利用水听器记录的波形互相关所提取的Scholte波(英文)
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摘要
<正>One of long-standing problems with underwater seismic studies is the inaccurate timing because the internal clock of Ocean Bottom Seismograph(OBS)is unable to synchronize with GPS.Here we present corrections of large clock error and temporal drift in a passive-source OBS array experiment in South China Sea by cross-correlating hydrophone records of each OBS pair.We show that the hydrophone on the OBS is
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