查询词典 grating

On the basis of analyzing the principle of fiber Bragg Grating strain sensor,a method of measuring projectile muzzle velocity is put forward.

在对光纤布拉格光栅应变传感原理分析的基础上，提出了一种易实用化的，能够实现武器弹丸炮口初速测试的方法，介绍了系统的基本组成，对光栅布拉格传感器弹丸炮口速度测试原理和方法进行了分析。

We compare the effect of eliminating the chirp by means of linearly chirp fiber Bragg grating, normal dispersion fiber and F-P cavity.

因此我们认为光纤光栅消啁啾是消除脉冲中心部分的啁啾，脉冲前后沿啁啾消除情况，决定于啁啾的类型。

In the temperature sensing, the theory of fiber Bragg grating temperature sensing has first been proposed, the characteristic of the FBG temperature sensing was analyzed, it was deduced that the sensitivity coefficients of first-order and second-order ,and experimental findings was protracted, the gained polynomial better inosculate with the theory value. The experiment was processed in the low temperature , the thermo-optic coefficient was emended in the polynomial of the normal temperature ,the result was accorded with the sensing character of the normal and low temperature ,and it was resolved that the theory account of the normal and low temperature did not accord with the experiment.

在温度传感方面，主要从光纤布拉格光栅的温度传感模式出发，对光纤布拉格光栅的温度传感特性进行了分析，推导出了光纤光栅的一阶与二阶温度灵敏度系数，并对实验数据进行了拟和，所得多项式和理论值吻合的很好，并对低温传感进行了实验，将在常温下得出的多项式进行了热光系数的修正，所得的结果同时符合常温与低温的传感特性，解决了低温与常温情况下的理论计算与实验的不一致性。

The space period of the projection grating is large enough for measuring the surface profiles of normal objects.

这样的空间周期能够胜任一般物体的测量。

The method of grating and pounding meat, as a substitute for chewing, may be well suited to the toothless octogenarian, whose stomach is capable of digesting it; but the stomach of a young child is not adapted to the digestion of such food, and will be disordered by it.

该方法的光栅和冲击，肉类，作为一个替代咀嚼，可能非常适合无牙octogenarian ，他们的胃是有能力消化它，但胃的年幼孩子是没有适应消化这类食物，并会被紊乱的依据。

Design and error analysis of trapeziform grating for high density optical disk storage.

高密度光盘存储中的梯形光栅设计和误差分析。

Thirdly, the experiment setup of this kind of two-dimensional zero-reference grating is established. The arrangement of optical path, the design of circuit and the system software are presented in detail.

再次，搭建了二维零位光栅的性能试验和重复定位精度实验系统，对实验系统的光路布置，电路设计以及系统软件进行了详细的描述。

A binary blazed grating (23) is formed at the interface of the first and second layers of optically transparent material.

一个双闪耀光栅(23)形成在第一层和第二层光学透明材料之间的界面上。

An optimal method for compressor to output a maximal pulse energy is developed, and the maximal output pulse energy of the grating-size-limited compressor is given.

给出了一种输出能量最大化的压缩器优化方法，进而确定了有限尺寸光栅压缩器的最大工作能力。

Based on Kogelnik's one-dimensional coupled-wave theory and dispersed Fourier transform, the diffractive characteristic of two pieces of volume phase gratings, which are cascaded and having orthogonal grating vectors for the continuous-wave laser beam, is analyzed.

利用Kogelnik一维耦合波理论，以及离散傅里叶变换，分析光栅矢量相互正交，且串联级联放置的两透射型体相位光栅对空域任意分布的连续激光光束的衍射特性；讨论其对入射光束的空间低通滤波性能，并具体模拟其对畸变高斯光束空间低通滤波的效果。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。