... apparent diffusion coefficient表观扩散系数 apparent velocity视速度；表观速度 apparent motion视运动；表观运动；虚表运动 ...
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apparent velocity theorem 视速度定理
apparent velocity of propagation 表观传播速度
apparent velocity filtering 视速度滤波
apparent velocity v 视速度v
apparent-velocity filter 视速度滤波器
negative apparent velocity 负视速度
In the article, negative apparent velocity event which tunnel vertical seismic profiling has got is used to resolve the sign of the reflected wave from the front of the tunnel face.
利用隧道垂直地震剖面所得到的负视速度同相轴，用此作为识别来自隧道施工掌子面前方界面的反射波标志。
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Thus the negative group velocity is simply an apparent velocity as we shall show from the study of energy flow.
因此，负群速度只是表观速度，能流的研究结果也证明了这一点。
An inertial controlling scheme to the altitude with the signal of the axis apparent velocity and its integral by the method of conjugate equation is presented in this paper.
本文以飞行器轴向视速度及其积分为控制信号，用共扼方程法设计了一种惯性高度控制方案。
Therefore, moveout transform filtering method in T-X domain was adopted, which linearized the curved coherent noise in T-X domain, and remove noise by the contrast of apparent velocity.
为此，采用T-X域时差变换滤波技术，即在T-X域内将曲线型相干噪声线性化，通过视速度差异去除噪声，从而达到压噪目的。
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