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道内插技术,可将二维测网数据内插成适合于偏移用的三维数据体,也可用于三维勘探。在用于三维勘探时,先按照在需要查明的最小断块宽度内有3个或3个以上采样点的要求,设计野外观测系统,进行数据采集,然后把此数据按所需要的线距和CDP间距进行内插。文中介绍了道内插方法及东濮凹陷文南地区部分三维资料的道内插实例,表明道内插资料的信噪比和分辨率都有明显的提高。
Road interpolation technology, two-dimensional network data can be interpolated into a suitable three-dimensional data for offset, but also can be used for three-dimensional exploration. When used for 3D exploration, the field observation system should be designed and data collected according to the requirements of 3 or more sampling points within the minimum block width to be identified, and then the data is collected according to the required line spacing And CDP spacing for interpolation. The article introduces the method of channel interpolation and the example of channel interpolation of some three-dimensional data in Wennan area of Dongpu Depression, which shows that the signal-to-noise ratio and resolution of the channel interpolation data are obviously improved.