查询词典 diffraction

According to the vector modal theory for any shape profile metallic grating,the diffraction fields are studied numerically.

本文根据任意槽形金属光栅的矢量模式理论，对正弦槽光栅和半椭圆槽光栅的情况进行了推导和数值计算。

A new-style system that automatically measures the diffraction efficiency of plane reflection grating was designed.

设计了一种快速自动测试平面反射光栅相对衍射效率的新型系统。

A diffraction grating was fixed to the stage to form a close loop displacement measuring system.

工作台采用了粗、精2级定位机构，以精密衍射光栅传感器组成工作台位移的闭环检测系统。

The first-order diffraction efficiency of the grating was measured using a 532 nm laser,the highest of which was 6.98%.

用波长为532 nm的激光照射光栅，测量其一级衍射效率，测得的衍射效率最高为6.98%。

Such an arrangement, known as a diffraction grating, was first constructed by Fraunhofer.

这样的实验称之为光栅衍射，这个装置首先由夫朗禾费考虑的。

The numerical computation has been carried out for the diffraction efficiencyof phase-matching periodic grating.

然后，对位相匹配的周期性光栅的衍射效率进行了数值计算。

In order to improve the convergence rate, a correct Fourier expand method was introduced to differential theory of the finite conductivity diffraction grating.

在有限电导率光栅的微分理论中引入校正傅里叶展开方法，改善了计算收敛性。

The result reveals that the diameter of incident spot is very important to the sensor's resolving power for the diffraction pattern of VLS grating.

结果表明：基于变栅距光栅的衍射特点，入射光斑直径的大小是影响传感器分辨率的一个重要因素。

The diffraction phenomenon of grating is simulated by use of the MATLAB software, and the curves of its frequency response characteristic are plotted.

运用MATLAB软件对该光栅的衍射现象进行了仿真，并绘制出其幅频特性曲线。

Based on the theory of light propagation and diffraction characteristics of grating, the optical energy transfer of bi-grating imaging system is studied and the expression for the intensity of combined beams is given.

从光传播基本理论和光栅衍射性质出发，研究了双光栅成像效应中的光能量传递，得到了确定汇合级光强的表达式。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。