射线模型是比较常见的传播模型之一，可以用于不规则海域声传播建模。
Ray model is one of the conventional sound propagation models, which can be used to model the sound propagation in the irregular ocean environment.
本文对比了波动理论、简正波声场和射线模型的声场预报结果，给出了后二种方法的近似程度。
Results of acoustic field prognosis on wave theory, normal model and ray model are compared, and the approximate degree of the later two models is given.
提出阶跃光纤导光的一种几何射线模型，方便地求出了截止条件，并与光波导理论所得结果作了比较。
A geometric ray model for the propagation of light in a step fiber is presented, and the cut-off conditions are derived.
有时候我们把光看成光束模型，看成光射线。
Sometimes we model light as beams of light, as rays of light.
科学家发现，观测到的X射线辐射要比吸积模型预言的少上30到50倍，这有效地将该模型排除了。
The scientists found the observed X-ray emission was a factor of 30 to 50 times smaller than expected from the accretion scenario, effectively ruling it out.
这个模型看来很好的解释了X-射线探测到的Sgr A*周围扩张的热气体形态与其它波长射线所探测的特征相一致。
The model appears toexplain well the extended shape of hot gas detected around Sgr A* inX-rays as well as features seen in other wavelengths.
这个模型看来很好的解释了X-射线探测到的Sgr A*周围扩张的热气体形态与其它波长射线所探测的特征相一致。
The model appears to explain well the extended shape of hot gas detected around Sgr A* in X-rays as well as features seen in other wavelengths.
射线闹鬼尺寸凯姆发布了迪士尼乐园幽灵鬼屋非常凉爽，新奥尔良广场的纸模型。
Ray Keim of Haunted Dimensions released an extremely cool paper model of the Disneyland Haunted Mansion in New Orleans Square.
提出了一种有效的微蜂窝电波传播预测模型，该模型基于射线跟踪法和UTD理论，并使用辐射源树的方法。
This paper presents an effective radio wave propagation prediction model by using radiation sources tree for microcellular environment. This model is based on ray-tracing and UTD.
在总结前人工作的基础上，本文提出了一种新的基于“虚拟源树”射线跟踪技术的微蜂窝小区的电波传播模型。
On this condition, the paper put forward a new electric wave transmition model in the microcell , which based on ray tracing method of Virtual Fountain Tree.
最后，射线跟踪模型被应用于实际的PHS室内覆盖系统工程中。
At last, the ray tracing modeling is applied to the actual PHS indoor distribution system project.
在研究地壳结构的人工源宽角反射地震资料解释中，常规宽角反射波走时和射线路径计算大都假定地壳模型为层状块状均匀介质。
Layered and blocked homogeneous models are usually used to calculated travel times and ray paths of wide-angle reflection waves in interpreting wide-angle reflection data of deep seismic sounding.
讨论了大气折射的射线追踪算法和等效地球模型；
The radial-tracing algorithm and the effective earth model are discussed.
阐述了数字图象处理技术在射线图象采样、复原、降噪和增强过程中的应用，给出了处理过程的数学模型。
The application of digital image processing technology to sampling, restoring, noise-suppressing and enhancing of X-ray images is described. Mathematical models of the processing are also given.
通过分析射线成像检测的数理模型，提出等效能谱透照成像方法，对探测器灵敏度进行校正。
The image method of equivalent energetic-spectrum is put forward, and applied in correcting the detector sensitivity by analyzing the mathematical model of X-ray radiography.
本文提出一种按速度模型计算绕射波射线旅行时和进行绕射归位的方法。
This paper presents a method for calculating travel time of diffracted wave from velocity model and for making diffraction migration.
全波模型震相分析法研究的内容是非常广泛的，本文仅对其中的射线分析、振幅分析、波谱分析、质点振动方式分析等方法进行了探讨。
Full wave model phase analysis technique may involve wide subjects, but this paper only deals with the analysis methods of ray, amplitude, wave spectrum and particle vibration pattern.
本文利用较简单的计算模型计算低杂波沿射线轨迹的能量沉积和电流分布。
A simple model is presented for calculating the lower hybrid wave (LIIW) power deposit along the ray tracing and for obtaining the RF current profiles.
针对射线跟踪技术在无线网络规划中实现的困难，提出了一种基于射线跟踪技术的室外传播模型。
An outdoor propagation model based on ray tracking technology is presented to improve the practicability of ray tracking propagation model in wireless network planning.
现有模型中，射线追踪法的计算结果较为准确。
Of the available models, the computational results of ray tracing method are comparatively accurate.
目的：以放射线处理建立小鼠淋巴细胞减少症模型并探讨其免疫学意义。
Objective: To establish a mouse lymphopenia model via irradiation and to study its immune characteristics.
类似蜘蛛物种的古化石通过数千X射线扫描以及成像软件绘制出3D模型。
Ancient fossilised, spider-like species have been imaged in 3d using thousands of X-ray scans and imaging software.
作者介绍了短波单站定位机理和两种实用的电离层模型，并对基于这两种电离层模型的射线反跟踪算法进行了分析比较。
This author introduces the principle of SSL and two kind of applied ionospheric models and compares and analyses the radial inverse tracking arithmetics based on the two kind of ionospheric models.
结合等效射线管模型和物理光学法实现了复杂目标高频电磁波多次散射高效且精确的数值求解。
Using physical optics to calculate single scattering, and using equivalent ray tubes to calculate multiple scattering, we can get the numerical results more efficiently and accurately.
本文给出了采用IGRF模型的哨声模波三维射线跟踪方程，并概述了射线跟踪模型及数值计算程序。
In this paper we have developed a program for three dimensional ray tracing of whistler-mode waves in which the IGRF model was adopted.
本文针对STL格式的模型数据设计了一种简单的网格划分算法，并且用点射线法判断网格节点是否在模型内部。
We design an easy meshing algorithm with STL data and using point radial method to decide whether the point is in the model.
本文在参照了镜像法、射线管法等射线跟踪思想的基础上，提出了一种有效的基于虚拟源树的射线跟踪模型。
Based on Image Theory and tube-tree method, an applicable ray tracing method based on virtual source tree was presented in this paper.
提出了一种基于射线跟踪方法的定位模型。
This paper presented a positioning model based on ray-tracing method.
此法以反射地震资料中的观测初至旅行时与模型射线追踪旅行时之差的最小平方法为基础。
It is based on the least square of the difference between the real reflection first break time and corresponding modeled ray-tracing travel time.
此法以反射地震资料中的观测初至旅行时与模型射线追踪旅行时之差的最小平方法为基础。
It is based on the least square of the difference between the real reflection first break time and corresponding modeled ray-tracing travel time.
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