This paper proposes a numerical approaching algorithm to calculate the real refraction route and the time-delay of the echo,simplifying the calculation.
提出了一种数值逼近的计算方法来求解真实的折射路径和回波时间延迟,简化了计算过程。
The inversion method of velocity in the stratified medium using the ray path;
利用射线路径反演层状介质速度的方法
Influence of smooth operator on travel-times and ray paths of seismic waves;
光滑算子对地震波走时和射线路径的影响
Segmentally-iteratlve operation, starting from any given initial ray path, isdone to obtain reflaction (refraction) Points on interface-.
本文根据同一条射线路径上满足相同射线参数的原理，首先采用一个适合于任意界面情况下计算反（折）射点的一阶近似公式，从任意给定的初始路径出发进行逐段迭代计算，求出界面上的反（折）射点。
true-zero-offset raypath
真零炮检距射线路径
The ray paths are circles.
射线路径呈圆弧状。
Any outgoing ray path must be coincident with that of the returning ray.
任何出发的射线与返回的射线路径完全相同。
straight ray path tomographic inversion
直射线路径层析成象反演
Seismic surveying is more concerned with reflected ray paths than refracted ones.
地震勘探主要考虑的是反射波的射线路径，而不是折射波的射线路径。
Coordinate positioning method of straight ray path tracing for electromagnetic wave tomographic imaging
电磁波层析成像直射线路径追踪之坐标定位法
Thus it is convenient to consider the movement of waves in terms of their ray paths.
这样，根据射线路径来研究声波的传播自然就很方便了。
Interior Affine Scaling Trust Region Algorithm Via Optimal Path for Nonlinear Optimizations Subject to Linear Constraints;
线性约束优化的最优路径仿射内点信赖域方法
The phenomenon that light deviates from the straight path while it goes through a barrier of limited size is called diffraction of light.
光通过有限大小的障碍物时偏离直线路径的现象称为光的衍射。
Shooting path planning for soccer robot based on dynamic ellipse curve
基于动态椭圆曲线的足球机器人射门路径规划算法
An inexact Newton affine scaling conjugate gradient path method for bound-constrained nonlinear systems
有界约束非线性方程组的不精确牛顿类仿射共轭梯度路径方法
AN AFFINE SCALING CONJUGATE GRADIENT PATH METHOD FOR NONLINEAR OPTIMIZATION SUBJECT TO BOUNDS
有界约束非线性优化问题的仿射共轭梯度路径法
radial beam tube
径向偏转电子射线管
The path of light in materials with gradient refraction index is discussed and calculated numerically.
从理论上分析了渐变折射率介质中光线传播的规律，建立了光线路径的数值计算方法.
critical path method scheduling
要径程序,关键路线程序
cosmic-ray pathlength distribution
宇宙线路径长度分布
escape pathlength of cosmic rays
宇宙线逃逸路径长度
The line or course along which a person or thing moves.
移动路线人或物运动所沿的路线或路径