Once the Frequency Taper is displayed (red line in a pop-up window), a spectrum on any inline/crossline can be viewed by pressing the Preview Spectrum button.
It will prompt to select an inline/crossline ("Select line from Data").
In that dialog select either inline or crossline radio button and press Next .
Sub select the part of inline/crossline and proceed.
A blue coloured amplitude spectrum will be displayed (as shown below).
最后结果是可以查看amplitude spectrum。
Now adjust the parameters (Slope or Start/Stop Frequency) and finalize the frequency taper settings。
调整参数(斜率或开始/停止频率)然后完整频率逐渐减小设置。