Plus minus method

The plus minus method is a geophysical principle attributed to J. G. Hagedoorn for statics solution derivation in which two emergence points on a refractor and a common midpoint (cmp) on the surface are considered. It is used to interpret seismic refraction profiles over irregular layers whose slope angles are less than 10°. Both forward and reverse shooting allow for matched time-distance graphs to be plotted.

单词	Plus minus method
释义	Plus minus method 英语百科 Plus minus method The plus minus method is a geophysical principle attributed to J. G. Hagedoorn for statics solution derivation in which two emergence points on a refractor and a common midpoint (cmp) on the surface are considered. It is used to interpret seismic refraction profiles over irregular layers whose slope angles are less than 10°. Both forward and reverse shooting allow for matched time-distance graphs to be plotted.
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