查询词典 diffraction grating

The first voice which had addressed you was that of the portress who always sat motionless silent, on the other side of the wall, near the square opening, screened by the iron grating the plate with its thousand holes, as by a double visor.

最先和你说话的那人是传达女，她是一直坐在墙那边有铁网和千孔板双重掩护下的方洞旁边的，从来不动也不吭声。

A new circuit used for the grating torque sensor of hydraulic turbine's principal axis system is designed.

针对水轮机主轴扭矩检测系统中的光栅扭矩传感器，设计了一种新型电路。

The strain and temperature resolution is 30με and 3℃, respectively. 6. Several typical demodulation method using optical filters, including quasi delta function demodulation, linear function demodulation, matrix function demodulation and trigonometric function demodulation, is presented and discussed. We research the matched-grating demodulation and a high wavelength resolution of 2. 6pm is reached.

分析和归纳了几类较为典型的滤波解调制方法（包括：类δ函数解调制、线性函数解调制、矩形函数解调制和三角函数解调制），对这几类方法如何实现做了简单讨论，并对匹配光栅解调解调技术进行了理论分析和实验研究，这种检测方案的波长分辨率可达2.6pm。

The diameter of the circle is equal to the grating radius of curvature.

该圆的直径与光栅曲率半径相同。

The elements of optical waveguide strain-stress measurement and fiber bragg grating strain-stress measurement system based on wavelength division multiplexing and spatial division multiplexing are emphatically discussed; the displacement regularity of stress field induced by roadway group excavating and short wall mining process is analyzed in detail; the concept of roadway "equivalent radius","correcting coefficient of coal and rock mass mechanical parameters",and "mining affecting coefficient" is put forward; the calculation method of "equivalent radius", the method of inversion of "correcting coefficient of coal and rock mass mechanical parameters", and the "mining affecting coefficient" determination method with the field measurement results and so on are provided.

重点研究了光波导应力应变测量原理，以及基于波分复用和空分复用技术基础上的布拉格光纤光栅应力应变测量体系；详细分析了近距离巷道群开掘工作和短壁体系回采工作诱发的应力场的重新分布规律；提出了巷道"当量半径"、"煤岩体力学参数修正系数"、"采动影响系数"等概念；给出了"当量半径"的计算方法、"煤岩体力学参数修正系数"的反分析求算方法、以及通过现

The damage possibility due to the redeposition layer was ruled out by acid-etching the grating's front surface.

为了判断光栅前表面的损伤原因，在第二轮实验中对光栅前表面进行酸蚀处理以消除抛光再沉积层的影响。

After calculating the grating fringes, white incident light will be reflected as a specific ray color according to the distance of two cars. The reflector strip has no power consumption and is easy to manufacture.

经过计算后的光栅反光纸，白光入射时会反射特定的色光，此种反光纸不需要能量来驱动、且方便制作，可成为一种路况警告标志。

It extends the application of nanosecond laser in laser-induced microstructures,and provides a new method for micromachining reflection grating in metal.

该研究拓展了纳秒激光在加工微结构方面的应用，为在金属材料表面制作纳米压印模版提供了一种新方法。

Fiber Bragg grating; reflection wavelength ; high temperature characteristic ; temperature sensitivity coefficient

光纤布拉格光栅；反射波长；高温特性；温度灵敏度系数

We present a new method for alignment optical axis and axis of rotation in laser direct writing system using reflection of plane grating.

提出一种光栅反射对准法：在极坐标激光直写系统中利用光栅反射聚焦光斑来校准光轴和工件台的转动轴；被光栅反射的聚焦光斑成像在CCD上。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。