offset-focus 中文意思是什麼
offset-focus
解釋
偏焦-
Based on the similarity of common reflection point trace gathers in one coherent zone, crs stack can focus more energy on the vicinity of the reflector, and therefore can obtain a high signal - to - noise ratio zero offset section by stacking events with the same phase
共反射面疊加利用了鄰近多個共反射點道集的相似性，提高了資料的覆蓋次數，從而壓制了隨機噪聲，增強反射波同相軸的連續性，大幅提高了地震資料的信噪比。
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