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METHOD OF SEISMIC SURVEILLANCE ABOVE A REGION OF THE SUBSURFACE OF THE EARTH
METHOD OF SEISMIC SURVEILLANCE ABOVE A REGION OF THE SUBSURFACE OF THE EARTH
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机译:地表以下区域的地震监测方法
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摘要
There is provided herein a method of passive seismic acquisition that utilizes real time or near real time computation to reduce the volume of data that must be moved from the field to the processing center. Much of the computation that is traditionally applied to passive source data can be done in a streaming fashion. The raw data that passes through a field system can be processed in manageable pieces, after which the original data can be discarded and the intermediate results accumulated and periodically saved. These saved intermediate results are at least two, more likely three, orders of magnitude smaller than the raw data they are derived from. Such a volume of data is trivial to store, transport or transmit, allowing passive seismic acquisition to be practically used for continuous near-real-time seismic surveillance.
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