The Powell's method and the net random-ray method are chosen as optimum methods.
选用了鲍威尔法和网格随机射线法，进行优化计算。
A virtual ray method which simulated infrared sensor detecting obstacles was proposed.
提出了一种模拟红外传感器探测障碍物的虚拟射线方法。
Moreover, compared with the X-ray method, neutron scattering causes less damage to biological samples.
和X射线方法相比，中子散射法对生物材料的损伤较小。
Trial ray method is an effective one for solving two point ray tracing. This method is efficient and simple.
试射法是求解两点射线追踪问题的一种方法，它的解法快速简便，易于判断和识别。
The solving of wave equations and tortuous ray method are fundamental methods of analysing plane optical waveguiding.
曲折光线法和解波动方程是分析平面光波导的基本方法。
The radiated fields from Gaussian distributed aperture(GDA)can be approximately analyzed using the complex ray method(CRM).
高斯型口径分布所产生的辐射场可以近似地用复射线法来分析。
An example of North China Oil Field proves it feasible that people use iterative curved ray method to produce angular tr...
文中列举了华北油田的一个实例，说明迭代曲射线法求角道集是可行的。
Firstly, the ray method and normal mode method are used to calculate the acoustic field in underwater with the source in the air.
首先，用射线方法和简正波方法对空气中的声源在水下产生的声场进行了分析。
An example of North China Oil Field proves it feasible that people use iterative curved ray method to produce angular trace gather.
文中列举了华北油田的一个实例，说明迭代曲射线法求角道集是可行的。
Based on complex ray method, a paraxial approximation analysis of Gaussian beam transmission through a dielectric radome is presented.
本文根据复射线法对通过介质天线罩的高斯波束场进行近轴近似分析。
The complex ray method is employed to analyze a Gaussian beam reflected at , a plane interface from a denser medium into a thinner one.
本文用复射线方法分析高斯波束从光密媒质入射到光疏媒质界面上时的反射。
Then the relationships between the numerous cracks and residual stress should be analyzed by testing the vessel systematically with X-Ray method.
用X射线法对该球罐进行了系统的残余应力测试，分析了大量裂纹与残余应力水平的关系。
Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much...
所得数字结果表明，在波束的近轴区域内为获得同样的计算精度，近轴近似法所需要的计算机时间远小于复射线追综法的时间。
The residual stresses of the diamond film were measured by X-ray method, and the effect of the polishing condition on the stresses was investigated experimentally.
用X射线衍射法测定金刚石厚膜的残余应力，研究机械抛光对膜内残余应力的影响。
Conclusion Phase-contrast imaging with synchrotron X-ray can detect micro lesion of cartilage that can't be detected by conventional absorption-contrast X-ray method.
结论同步辐射相衬X线成像技术可检测到普通X线成像技术无法检测到的软骨微缺损，并可进一步分析病变的细微结构。
Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much less computer time.
所得数字结果表明，在波束的近轴区域内为获得同样的计算精度，近轴近似法所需要的计算机时间远小于复射线追综法的时间。
The evolution rule of the rare earth aluminum capacitor foil preparation process was investigated by means of bit etching, EBSD micro orientation analysis and X-ray method.
采用蚀坑法、EBSD微取向分析和X射线法等手段，对稀土电解电容器用铝箔制备过程中的织构演变规律进行了研究。
For high chromium cast iron with structure of preferred orientation, its retained austenite amount can be measured accurately by X-ray method of rotating and tilting specimen holder.
对有择优取向的组织来说，用旋转摆动的X射线法可准确测定高铬铸铁中残余奥氏体的含量。
Some experimental results are consistent with the results obtained by optical methods, however, X-ray method has its special advantage in discriminating the properties of dislocations.
实验结果与光学方法所得结果相一致，但在判明位错的性质方面，X射线形貌术有其独特的优点。
Based on the complex ray method and source expansion with a set of Gaussian beams, a new method for analysis and calculation of radar cross-section (RCS) of a complex target is presented.
本文根据复射线分析和场的高斯波束展开，提出了一种计算复杂目标电磁散射特性的简便方法。
The astronomers found an "X-ray mass" only a tenth of the mass found using the gravitational lens method.
天文学家发现“X射线估算的质量”仅有“引力透镜”方法估算的质量的十分之一。
In this paper, we present a new rapid ray tracing method -available visible area radiant point tree ray searching.
本文给出了一种新型的快速的射线追踪方法——有效可见区域辐射源树射线跟踪法。
In addition, the team tested their analysis method by comparing the X-ray brightness of certain clusters with the strength of temperature changes seen in the WMAP data.
此外，通过对WMAP探测器数据中看到温度变化力度的X光亮度进行比较，该小组测试了他们的分析方法。
By using the ray tracing method, the scattering from all cells of scatters under a certain radar resolution is mapped into the image pixels.
用射线跟踪法，按射程计算将散射投影在平面图像对应单元的像素点上，得到自然地表的雷达图像模拟。
X ray diffraction method has been used to study the crystallinity of wheat starch granules with different water content.
应用X射线衍射方法对不同水分含量的小麦淀粉颗粒的结晶度进行了研究。
The new method USES a technology called mini-X-ray fluorescence to detect chemical elements in fingerprints without altering them.
而该新方法使用了“微x射线束荧光技术”，可以探测到指纹携带的化学成分，却不会指纹的保存状态。
The fundamental parameter method of X-ray fluorescence analysis has many advantages, such as no concentration range limitation of elements, dispensability of standard samples and so on.
本文叙述了利用基本参数法校正源激发合金元素荧光分析的基体效应的基本原理、基体效应的修正方法。
The fundamental parameter method of X-ray fluorescence analysis has many advantages, such as no concentration range limitation of elements, dispensability of standard samples and so on.
本文叙述了利用基本参数法校正源激发合金元素荧光分析的基体效应的基本原理、基体效应的修正方法。
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