您要查找的是不是：
- An upwind finite-diff erence scheme of eikonal equation along exp anding wavefronts is developed which can ca lculate imaging condition of reverse-time migration. 采用逆时格式差分求解程函方程,得到网格空间中各点的直达波旅行时,以此作为弹性波逆时偏移的成像条件,实现了二维多波多分量资料的叠前逆时深度偏移。
- In the forward step, the eikonal equation was solved by finite-difference method.Raypaths were determined in the minus gradient direction of travel time. 正演采用快速的有限差分求解程函方程的方法求取旅行时，利用旅行时的负梯度方向求取射线路径。
- UPWIND FINITE-DIFFERENCE SOLUTION OF EIKONAL EQUATION 地震波走时计算的逆风差分算法
- Keywords eikonal equation;ray-tracing;curve coordinate; 程函方程;射线追踪;慢度;
- Keywords wavefront spreading method;eikonal equation;anisotropic media; 波前扩展法;程函方程;各向异性介质;
- Keywords Electromagnetic waves;tomography;eikonal equation;maximum entropy; 电磁波;层析成像;程函方法;最大熵;
- Keywords finite difference;eikonal equation;travel time;ray tracing;tomography;iteration; 有限差分;程函方程;旅行时;射线追踪;层析成像;迭代;
- Keywords first arrival time;eikonal equation;finite difference;triangular grid;parallel computation; 初至旅行时;程函方程;有限差分;三角网格;并行计算;
- I can't make this equation come out. 我不会解这个方程式。
- then, using finite-difference algorithm of eikonal equation to compute the cross-hole seismic travel times and make inversion of cross-hole velocity structure; 然后采用程函方程有限差分法进行井间地震走时计算,反演出井间速度结构;
- What does x represent in this equation? 这个方程式中的x代表什么?
- eikonal equation 短时距方程
- The equation of wealth with happiness can be dangerous. 把财富与幸福等同起来是很危险的
- An equation or inequality relating the variables in an optimization problem. 在优化问题中，一种表示若干变量相互关系的方程(式)或不等式。
- Show me how to solve this equation. 告诉我，这个方程式怎么解。
- Is the Eikonal Approximation Certainly Bad at Larger Angles? Eikonal近似在大角度一定不好吗?
- The oil versus nuclear equation is largely moot. 石油和核能之间的关系还很有争议。
- One side of an equation must balance the other. 方程式的一边必须和另一边相等。
- At first the equation refused to work out. 起初这个议程式一直解不出。
- The equation is beyond me, and it won't come out. 这个方程式太难，我怎么也解不出来。
