Frequency division matching method for increasing seismic data resolution of limestone exposure area
A technology of seismic data and matching method, applied in the field of seismic exploration, can solve the problems of amplifying low-frequency noise, ineffective reception of high-frequency signals, poor reception of low-frequency signals, etc., to achieve the effect of improving resolution
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[0059] Replace the conventional geophone (model 20DX) at a receiving point of the field seismic array (usually a receiving point near the seismic source) with a high-sensitivity geophone (model SSJ-10H) and connect it to the large line, and then connect the high-sensitivity geophone Move the detector to the position of the adjacent receiving point, and embed the high-sensitivity detector in the same way as the conventional detector at the same position. The specific observation method is as follows figure 1 shown. After that, data collection is performed.
[0060] figure 2 Records of conventional geophones and high-sensitivity geophones in the frequency range of 0-20Hz obtained during experiments in a certain place, where figure 2 (a) for conventional geophone records, figure 2 (b) Recorded for a high-sensitivity geophone. image 3 Records for conventional geophones and high-sensitivity geophones in the frequency range greater than 20Hz, where image 3 (a) for conventi...
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