Method for rapidly eliminating seismic first arrival abnormal value
The invention discloses a method for rapidly eliminating a seismic first arrival abnormal value. The method includes: A, inputting an original first arrival data; B, drawing an effective first arrivalcentral tendency curve to obtain first arrival data; C, classifying and sorting the first arrival da...
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| creator | LI SHUBING MA ZENGBIAO MA ZHAOJUN ZENG TAO ZHU HONGQUAN LING HANG ZHONG JIAJUN |
| description | The invention discloses a method for rapidly eliminating a seismic first arrival abnormal value. The method includes: A, inputting an original first arrival data; B, drawing an effective first arrivalcentral tendency curve to obtain first arrival data; C, classifying and sorting the first arrival data to obtain a first first arrival sequence; D, obtaining a second first arrival sequence; E, obtaining a first arrival difference sequence according to the difference between two adjacent first arrivals in the second first arrival sequence, and obtaining a first singular value editing threshold range according to the average value and the standard deviation of the first arrival difference sequence and a multiple coefficient value thereof; F, determining a second editing threshold range and thenumber of editing iterations; and G, screening the first first arrival data according to the second editing threshold range and the number of editing iterations to obtain the second first arrival data. The method can improve |
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The method includes: A, inputting an original first arrival data; B, drawing an effective first arrivalcentral tendency curve to obtain first arrival data; C, classifying and sorting the first arrival data to obtain a first first arrival sequence; D, obtaining a second first arrival sequence; E, obtaining a first arrival difference sequence according to the difference between two adjacent first arrivals in the second first arrival sequence, and obtaining a first singular value editing threshold range according to the average value and the standard deviation of the first arrival difference sequence and a multiple coefficient value thereof; F, determining a second editing threshold range and thenumber of editing iterations; and G, screening the first first arrival data according to the second editing threshold range and the number of editing iterations to obtain the second first arrival data. 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| subjects | DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING |
| title | Method for rapidly eliminating seismic first arrival abnormal value |
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