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在连续介质中,曲射线法勾绘深度剖面图是比直射线法优越的方法,它能真实地反映反射界面的产状,特别是在地层倾角大的断褶带地区更显示出它的优点。但是,曲射线法,除了量板的计算和制作较复杂以外,勾绘深度剖面的过程也比直射线法麻烦。一般来讲,需要用卡规从量板上截取与某一t_0值相对应的z_0,从地表或从校正基准面起确定z点;然后用另一只园规截取相对应的R_0,以z为园心划弧形……(图1)。在剖面较长,反射层次很多的情况下,这一往返进行的过程显得很烦琐。
In continuous media, the curved line method depict the depth profile is a superior method than the direct ray method, which can truly reflect the appearance of the reflective interface, especially in the area of the fault zone with a large fold more shows its advantages . However, the curve method, in addition to the calculation and production of the volumetric plate is more complicated, the process of drawing the depth profile is also more troublesome than the direct ray method. In general, you need to use the gauge from the volume board interception of a t_0 value corresponding to z_0, from the surface or from the calibration datum to determine the z point; and then use a different garden rules interception of the corresponding R_0, z Park arc planning arc ... ... (Figure 1). In the case of a long profile and a large number of reflection levels, this round-trip process is cumbersome.