Because of the ambiguity of seismic migration velocity, the quality of seismic migration imaging always bores people.
由于地震偏移速度的不确定性，偏移成像的质量很难得到保证。
The main parameters that effect horizontal resolution of migration imaging were identified as medium velocity, dominant frequency of seismic wavelet and aperture Angle of migration processing.
结果表明，影响偏移成像水平分辨率的主要参数是介质速度、地震子波主频和偏移处理的孔径角。
Wave equation time migration fails to image subsurface geological structure correctly in the case of obvious lateral seismic velocity variation.
当介质的速度在横向上存在较大的变化时，波动方程时间偏移不能使地下的构造正确成像。
Using special common offset gather for crosshole seismic, a migration velocity analysis method is developed for crosshole seismic.
利用井间地震特有的共偏移距道集，找出了适宜于分析井间地震偏移速度的方法。
Using special common offset gather for crosshole seismic, a migration velocity analysis method is developed for crosshole seismic.
利用井间地震特有的共偏移距道集，找出了适宜于分析井间地震偏移速度的方法。
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