Micro-seismic event detection method and system by using non-homogeneous polynomial
An event detection and polynomial technology, applied in seismology, surveying devices, earth cube drilling and mining, etc., can solve the problems of unguaranteed picking quality, time-consuming, labor-intensive accuracy and reliability, and inability to process massive data, etc.
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[0044] The purpose of the present invention is to provide a microseismic event detection method and system using non-homogeneous polynomials to reduce the impact of noise on microseismic event detection, improve the accuracy of microseismic event detection, and realize automatic and accurate first-arrival picking.
[0045] In order to make the above objects, features and advantages of the present invention more comprehensible, the invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0046] Such as figure 1 As shown, the present invention provides a method for detecting microseismic events utilizing inhomogeneous polynomials, the detection method comprising the steps of:
[0047] Sequentially collect the microseismic signals of N points in the detection area respectively to form a microseismic signal sequence containing N microseismic signals; S=[s 1 ,s 2 ,...,s N ].
[0048] Let n=1,2,...,N respective...
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