查询词典 armor grating

In the experiment,by adjusting the manual tunable fiber Bragg grating and control the transmission of the light through the filter band,the operating center wavelength of the fiber lasers could be tuned from 1 047 nm to 1 055 nm and pulse duration at a repetition rate of 4.9 MHz.

实验中，在保证锁模状态稳定的情况下，通过调节可调谐光纤光栅滤波器，使激光器输出锁模脉冲的中心波长在1 047 nm～1 055 nm范围内连续调谐，重复频率稳定维持在4.9 MHz。

By means of increasing control fineness and optimizing scanning frequency, the uniformity of grating is improved.

通过提高光刻镜扫描的控制精度和优选扫描振动频率，能够改善光栅的均匀度，以满足曝光的需要。

The intensity of grating diffraction spectrum is obtained by the Fourier series expansion of the transmissivity function. Finally, the design feasibility is analyzed by comparing the minimum signal spectral intensity with the maximal spectral intensity of the background light and the noise intensity.

通过对透射率函数的傅立叶级数展开，得到光栅衍射谱线的强度，对信号光谱线的最小强度、背景光谱线的最大强度和噪声强度的比较，得到设计的可行性。

Week 8 Huygens- Fresnel principle, Fraunhofer diffraction, grating diffraction

第8周 惠更斯－菲涅耳原理；夫琅和费衍射。光栅衍射。

The Fraunhofer diffraction phenomenon on the complementary structure of Sierpinski carpet grating is discussed on the basis of FresnelKirchhoff theory and Fourier analytical method.

利用菲涅耳基尔霍夫光栅衍射原理和傅里叶分析方法，对具有分形结构互补Sierpinski地毯光栅的夫琅和费衍射现象进行了探讨。

The Fraunhofer diffraction phenomenon on the complementary structure of Sierpinski carpet grating is discussed on the basis of Fresnel-Kirchhoff theory and Fourier analytical method.

利用菲涅耳-基尔霍夫光栅衍射原理和傅里叶分析方法，对具有分形结构互补Sierpinski地毯光栅的夫琅和费衍射现象进行了探讨。

The Fresnel diffraction of a O-π phase grating under chirped femtosecond laser pulse illumination is analyzed.

分析了一种0-π相位光栅在啁啾飞秒激光脉冲照射下的菲涅耳衍射。

An equation for calculating the Fresnel diffraction field of a grating under short-pulsed light illumination is derived.

首先导出了光栅在短脉冲激光照射下的菲涅耳衍射光场的方程，利用该方程分析了一个开口比为1：4的光栅的衍射光场。

Our primary products include Welded Wire Mesh, Expanded Metal, Expanded Grating, Field Fence, Wire Mesh Fence, Barbed Wire, Filter Elements and various wire processed products including special welded panels, wire containers, baskets, pet cages and barbecue grill netting. We also deal with gabion box, hexagonal wire netting, chain link fence, crimped mesh, screen mesh and various wire.

本公司主要经营：电焊网、钢板网、钢格板、草原围栏网，护栏网，刺网、过滤器材以及各种异型点焊网片、网筐、网篮、宠物笼、货物周转箱、烧烤网等丝网深加工产品；还兼营：石笼网、六角网、勾花网、轧花网、筛网及各种线材等产品。

And the effects of the geometrical dimensions of the grating on high frequency characteristics of system were analyzed.

并针对矩形栅的两种典型结构进行数值计算，分析了金属栅的几何尺寸对系统高频特性的影响。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。