Intuitive microearthquake event classification method
A classification method and micro-seismic technology, applied in the direction of seismic signal processing, etc., can solve the problems of wasting computing resources and affecting the positioning accuracy of micro-seismic events
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[0029] In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments are listed below and described in detail in conjunction with the accompanying drawings.
[0030] An intuitive method for classifying microseismic events, including:
[0031] 1) Denoise the original record to improve the signal-to-noise ratio of the record;
[0032] 2) Find out the microseismic events according to the long and short time window energy ratio method;
[0033] 3) Determine the first arrival of the microseismic event;
[0034] 4) Regularize the first arrival of the microseismic event in step 3;
[0035] 5) the microseismic first arrival in step 4) is drawn in the same coordinate system;
[0036] 6) Classify the microseismic events according to the shape of the first arrival of the coordinate system in step 5).
[0037] The above programs further include:
[0038] The first arrival of determining the microseismic event...
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