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- Amplitude attenuation tomography is based on seismic ray tracing by using linear traveltime interpolation . 模型试算表明:它能对地层的品质因子和Q值异常很好的成像。
- seismic ray tracing using linear traveltime interpolation 线性插值射线追踪
- seismic ray tracing 射线追踪
- Ray tracing now seems set to leap the speed barrier, however. 不过，光迹追踪法似乎即将跨越速度的障碍。
- Develop new software for ray tracing and beamline optimisation. 开发用于射线跟踪和光束优化的新软件。
- Ray tracing is a technique for creating photo-realistic images. 光线追踪是产生仿真影像的技术。
- Realized the curving ray tracing method based on the Snell law. 实现了基于Snell定律的弯曲射线追踪法。
- The data acquisition system (ob-servation system, ground seismic source and borehole seismic detector) and processing methods (ray tracing proc-essing and tomography imaging) are discussed. 数据采集从震源和检波器两个方面优化，选用激发能量强、频率高、成本低、效率高的震源，以及灵敏度高、抗噪能力好的检波器；
- Greater fidelity for ray tracing bias has significantly reduced bias artifacts. 减少了光线跟踪中的误差光线。
- A parallel process method of ray tracing is proposed based on a BSP tree. 摘要提出了一种基于BSP树的光线跟踪并行处理方法。
- However, the grid resolution affects the efficiency of ray tracing greatly. 但是网格划分的尺度对光线跟踪的效率有很大的影响。
- On the hardware side, Larrabee isn't even optimized for ray tracing. 硬件方面，Larrabee甚至没有为光线追踪做过优化。
- VSP dip correction formulae for vertical and deviated boreholes are derivedfrom seismic ray theory,and some notices in using the formulae are mentioned indetail. 文中基于射线理论分别导出了垂直非和斜井VSP倾角校正公式，并指出了实际应用时应注意的问题。
- The computation of seismic traveltime is a core matter of ray-tracing method, and its accuracy affects the accuracy of the path and the accurate degree of the forward of seismic ray simulation. 地震波旅行时计算是射线追踪方法的核心问题,其精度直接影响着路径的精度和正演模拟的准确程度。
- These typical effects on imaging are simulated with ray tracing, post-processing and pixel-based processing. 使用光线追迹法、后处理法以及基于象素处理的方法模拟了这些典型效应给成像质量带来的影响。
- The computation of seismic traveltime is a core matter of ray-tracing method,and its accuracy affects the accuracy of the path and the accurate degree of the forward problem of seismic ray simulation. 地震波旅行时计算是射线追踪方法的核心问题,其精度直接影响着路径的精度和正演模拟的准确程度。
- By making use of two-dimensional (2D) ray tracing model results, a new propagation model was presented. 摘要射线跟踪是一种有效的无线通信电波传播预测方法。
- Seismic ray path is analytically calculated assuming a model of the square of slowness.For the model composed of a grid withvalues of model assigned at the grid points,a nonnegative matrix is formed. 文章采用平方慢度模型解析计算地震射线传播路径，就模型参数值在网格节点上的情形，可形成一个非负矩阵，这类似单元模型的路径长度矩阵。
- From both the ray tracing method and formulas, the stretcher model with Offner triplet stretcher were studied. 并对压缩器的各阶色散作了光线追迹的模拟计算，得到与解析式完全一致的计算结果，从而验证了解析式的正确性。
- The programming has realized the curving ray tracing method based on the Snell law. 在小波变换模极大值去噪的基础上，用模极大值线法成功地实现了含噪超声波信号的首波时间的准确判读；
