The velocity measurement of 2-dimensional motion is realized through target radial moving information measured by two times range finding to improve the shooting precision.
由两次测距的目标径向运动信息，实现目标二维运动速度测量，改善射击精度。
The key to data processing lies in accurate time corrections which are computed from velocity model made by well shooting data.
资料处理的关键在于根据地震测井资料建立的速度模型，求出校正量。
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