查询词典 diffraction

The Fraunhofer diffraction phenomenon on the complementary structure of Sierpinski carpet grating is discussed on the basis of FresnelKirchhoff theory and Fourier analytical method.

利用菲涅耳基尔霍夫光栅衍射原理和傅里叶分析方法，对具有分形结构互补Sierpinski地毯光栅的夫琅和费衍射现象进行了探讨。

The measuring technique is based on the Fraunhofer diffraction of the parallel beam of the mono-chromatic light by the moving droplets.

这种仪器是利用平行单色光束照射运动着的雾滴而产生夫琅和费衍射，通过傅里叶透镜将衍射光束会聚在多元光电探测器上，来测定其衍射光能分布，再通过小型计算机，将光能分布翻译成为相应的雾滴尺寸分布。

The Fraunhofer diffraction phenomenon on the complementary structure of Sierpinski carpet grating is discussed on the basis of Fresnel-Kirchhoff theory and Fourier analytical method.

利用菲涅耳-基尔霍夫光栅衍射原理和傅里叶分析方法，对具有分形结构互补Sierpinski地毯光栅的夫琅和费衍射现象进行了探讨。

Using the classical Mie scattering theory and Fraunhofer diffraction theory , a detailed analysis of the differences of the light energy distribution on the multi-element concentric photodetector of a laser particle sizer is given.

本文用Mie散射理论和Fraunhofer衍射理论分别讨论了颗粒散射在激光测粒仪同心多环光电探测器上的能量分布，详细计算并比较了两者之间的差别，指出。。。

fraunhofer diffraction ; Babinet theory ; laser ; optimize to feature point of optical strip

为了获得高质量的 Fraunhofer衍射花样，宜使用单模激光光源。选择一级适宜的

At last the light intensity distribution of Fresnel diffraction at several rectangular apertures is calculated and analyzed.

最后计算分析了多矩孔菲涅尔衍射的光强分布。

The theoretical analysis of the diffraction of Fresnel straight-edge is presented in this paper by the boundary wave approach.

本文运用边界波理论对菲涅耳直边衍射问题进行了研究。分别对E偏振和H偏振情况下相应的场分布用边界波理论进行了理论分析和计算，并将它们与严格的电磁理论作了比较。

Some experiments are done to test the corrected Fresnel diffraction model.

实验说明类菲涅尔模拟结果是可信的，并且非常准确。

It is shown that many properties of diffraction in the Fresnel region can be obtained.

从中可得到菲涅耳衍射区的许多特性。

The temperature field, heat induced deformation and Fresnel diffraction theory are systematically discussed.

系统论述了光热测量技术中的温度场理论、光热形变理论及菲涅耳衍射理论。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。