查询词典 reflection grating

Holographic concave gratings with three stigmatic points can be implemented through considerable design. Results obtained from holographic gratings can also be applied to ruled gratings. Sphere and coma aberrations for a planar concave grating are achieved through power expansions.

通过适当的设计，可以使得全息光栅具有三个无像差点，这些分析虽然是针对全息光栅而得到的，但通过记录参数的合理选择可以将其应用到刻划光栅中去，得到等价的刻划光栅的参数。

The EDFL is structured by insertion of three different short passive subring cav it ies, which serve as mode filters, into the main cav it y, and it is combined w it h a fiber Bragg grating, the MRCs resonator can make SLM lasing.

这种激光器通过在主环形腔中插入充当模式滤波器的三个长度不等的无源次级环形腔，并结合腔内光纤布拉格光栅形成多环形腔掺铒光纤激光器结构，多环形谐振腔可保证激光器的单纵模输出。

The device is also ideal for all types of A/D converters of up to 14-bit accuracy, either successive approximation or inte-grating designs, and in general can offer better performance than that provided by standard self-contained references.

该设备还非常适用于所有类型的A / D转换器的分辨率高达14位精度，无论是逐次逼近或英特光栅的设计，一般能提供更好的性能比和自给自足的参考标准提供。

This paper designs a kind of fiber grating external cavitysemiconductor laser aim at the domestic or overseas need on syntonic fiberpeg-top and it has been validated in the lab.

针对国内外对谐振式光纤陀螺光源的需要，本文为其设计一个稳定光源——光纤光栅外腔半导体激光器，并在实验室验证其可行性。

As to our knowledge, for the first time, we analyse Talbot effect of a grating under ultrashort pulsed-laser illumination.

就我们所知，本论文在国际上首次分析了光栅在超短脉冲光波照射下泰伯效应的特性。

The main creative achievements accomplished in this dissertation are as follows: 1. A new method to achieve nanometer-scale resolution for grating-based metrology is developed by improving the discrimination power of method of Computer Tangent Subdivision which makes use of the good linearity of tangent function in small range. 2. A new subdivision technique of moire fringes-Dynamic Tracing Subdivision is proposed.

在本论文的研究过程中，所做的主要创造性工作有：（1）提出了利用正切函数在小范围内线性度较好的特点，采用粗、精结合的方式，扩展计算机正切细分法的细分能力，达到纳米级的测量分辨率的新方法；（2）提出了一种新的莫尔条纹信号细分方法：动态跟踪细分法。

In order to derive the effect of an arbitrary bending curve in tangential orientation on a grating, a general expression about the transform of groove density was represented in theory, and simulated by Finite Element Method using ABAQUS/Standard.

理论上给出了光栅在子午面内弯曲为任意面形后，光栅线密度的变化关系，并采用有限元分析软件ABAQUS/Standard进行了模拟分析。

If the player resembles a tramp and the sound is ugly and grating then will misfortune head your way.

如果球员像是一个流浪汉和健全的是丑陋和光栅，然后将头部的不幸，您的方式。

In 20~100 ℃, the central wavelength of FBG vary with the temperature has fine linearity. The standard thermojunction temperature sensor and fiber grating temperature sensor are used to do contrast experiment.

通过光纤光栅的温度特性实验，在20~100 ℃的温度范围内，光纤光栅的中心波长随温度变化呈良好的线性，线性度达到99.8%。

Based on it,an incremental time- grating signal processing circuit is proposed.

并提出了一种基于该方法的增量式时栅信号处理电路方案。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。