论文部分内容阅读
山区表层因素严重影响地震剖面的质量,我们采用了多个相邻的CDP道集同相叠加组成模型道,当道数足够多时,模型道在整个测线上趋于稳定,它的时间位置就是静校正零基准线的位置.只要将CDP道集内各道向对应的模型道对齐,就可以同时完成道集内和道集间的剩余静校正.本方法可提高剖面的信噪比,增强叠加能量,使浅中深反射层光滑连续,构造形态清晰……,它比引进的1704和1724机的自动剩余静校正方法更加完善.本方法程序简单,占用内存量小,处理速度快,适用于小型计算机.方法的适应性广泛,无论是弯、直测线;单、多次覆盖剖面都可应用.本方法也可作为修饰性程序应用于地震勘探的数字处理中.
In the mountain area, the quality of the seismic section is seriously affected by the surface layer. We use multiple adjacent CDP gathers to form a model channel. When the number of channels is large enough, the model channel tends to be stable over the entire survey line. Its time position is static correction Zero baseline position.As long as the alignment of each track in the CDP gathers to the corresponding model track can be completed at the same time the remaining static correction within the gathers and gathers.This method can improve the signal to noise ratio of the profile and enhance the superimposed energy , So that the shallow depth of the reflective layer is smooth and continuous, clear shape ... ... than the introduction of the 1704 and 1724 automatic residual static correction method is more perfect.This method is simple, small footprint, fast processing speed, suitable for small Computer.The method has wide adaptability, no matter it is curved or straight line, single or multiple coverage sections can be applied.The method can also be applied as a modified program to digital processing of seismic exploration.