光束

For application of one dimensional photon crystal, we need to solve the Maxwell's equations.

在一维帯隙材料光束传播方面，我们提出了一种新的数值计算方法。

Based on the dual-beam interference principle and white light interference feature, this dissertation designs the SWLI surface 3D topography measuring system and analyzes the principle and characters different from that of traditional monochromatic light interference. According to different descriptions of the white light interference feature, the optimal interference point extracting algorithms are classified, analyzed and compared in detail. In the light of the design rule of improving measuring precision and speed simultaneously, two new types of algorithms, named Feature Matching algorithm and Intensity Contrast Moving Window algorithm, are designed to acquire good results according to practical conditions.

基于双光束干涉原理及白光干涉特性，本文设计了扫描白光干涉法表面三维形貌测量系统，分析了该方法区别于传统单色光干涉测量的测量原理及特点，根据对白光干涉特征不同的描述方式对最佳干涉点提取算法进行了分类、分析与比较，并在提高测量精度与测量速度设计原则的指导下，根据测量系统的实际条件设计了两种新的算法：特征匹配法和对比度移窗法，在实际测量中达到了比较好的测量效果。

If the deformation of the object is symmetrical, two components of deformation can be obtained by the mixed phase distribution.

单光束照明的传统电子散斑干涉技术，测量得到的是一幅物体变形的混合相位场。

When the typical ESPI is used for displacement measurement, a mixed phase distribution of deformation can be measured.

单光束照明的传统电子散斑干涉技术，测量得到的是一幅物体变形的混合相位场。

The longitudinal component of electromagnetic wave propagating in fiber can be expressed by Based function or the modified Bessel function of second kind. Based on this principle, we put forward a simple method for generating a Bessel beam with glass capillary and focusing lens.

对光纤中传播的电磁场分析发现，其纵向分量可以用贝塞耳函数及第二类变态贝塞耳函数来描述，据此，提出一种利用玻璃毛细管和聚焦透镜实现贝塞尔光束的简易方法。

The basic optical requirement is a fine pencil, or thin ribbon of highly collimated, monochromatic, polarized light

基本的光学要求是要有一个高度准直的单色偏振光的细光束或薄光带。

Beamline is an important part of synchrotron radiation facilities. It is mainly composed of monochromator, collimating mirror, focusing mirror.

光束线是同步辐射装置的重要组成部分，主要由单色仪、准直镜和聚焦镜组成。

And as the tractor beam is pulling Penny and you to aliens' mother ship...

然后传输光束把你和 Penny 带去外星人的母舰。。。

A new technique of real-time laser beam quality measurement is presented. It is based on a multiplane imaging method which consists of plate reflecting mirrors and enables simultaneous imaging of ten planes with various optical paths on a single charge coupled device array.

提出一种新型光束质量实时测量技术，该技术主要基于由平板反射镜组成的多平面成像系统，一次性将激光束腰附近2倍瑞利距离内的多个光斑成像在同一个平面上，用CCD相机获取这些光斑的光强分布图样。

The linear electro optic measurement of poled polymer utilizing an asymmetric Fabry Perot multiple reflection film was reported.

报道用不对称的法布里-珀罗多光束干涉膜测量极化聚合物的线性电光效应。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。