查询词典 reflection grating

Finite element analysis of laser-induced transient surface grating fields of diamond/ZnSe.

金刚石/ZnSe结构中瞬态热栅场的有限元法分析。

In order to optimize the parameters of dielectric barrier-discharge plasmas, the emission spectrum of second transition line of oxygen and nitrogen under normal temperature and pressure was measured with a grating spectrometer.

为了对绝缘阻挡放电等离子体进行参数优化，以常压DBD等离子体为研究对象，在常温常压下使用可见光光栅光谱仪对等离子体发光光谱进行了诊断，得到了N2和O2的第二正带跃迁谱线。

There are more than ten categories of moulds with several hundred of specifications. There are also various special road-brim stones, flat stones, slope protections, subgrade shoulders, partition guard fences, access gully covers, gully cover plates and gully grating sand frames, various bricks for grass planting, bricks for tree enclosing and stripe footpath stones for express ways and high speed railways as well as complete series of mating moulds, color ground tiles, encaustic tiles, European style Roman column and imitational iron art fence moulds.

塑模有十几个大类，几百种品种规格，有各种高速、高铁专用路沿石、平石、护坡、路肩、边沟板、隔离护栏、各种检查窨井盖、沟盖板、雨水篦、各类植草砖、围树砖以及条纹步道石全系列配套塑模、彩地砖、彩瓦、欧式罗马柱和仿铁艺围栏塑模。

show that multi-wavelengths laser output can be achieved through increasing phase-shifts number and the laser wavelength varies with phase-shifts magnitude in multi-phaseshifts fiber grating with equidistance.

结论表明：等分相移光栅可以通过增加相移个数来实现多波长的激光输出，相移量不同激光波长的输出也不同。

In chapter 4, According to the theory of scalar diffraction, firstly, the equipollence of spatial distribution of the plane-wave interferential field and parallel projective sine grating is discussed.

在第四章，根据标量衍射理论，首先讨论了两平面波干涉场的空间分布与平行投影正弦光栅的等价性。

Optical feedback from an etalon and a diffractive grating.

3利用标准具和衍射光栅的反馈注入。

A high output power narrow linewidth fiber laser based on fiber Bragg grating Fabry-Perot etalon has been accomplished.

进行了高功率线型腔光纤激光器实验研究。

Compared with other conventional etalons,the etalon based on strongly chirped sampled Bragg grating has the advantages of good stability and simple production process,and also is promising for mass production.

由于采用已经比较成熟的标准光纤光栅写入方法，基于光纤光栅的标准具性能可靠，适合规模生产，在光纤光栅传感技术上有重要的应用。

The experiments of single frequency fiber ring laser with mode selection by fiber Bragg grating Fabry-Perot etalon have been performed.

进行了以光纤光栅法布里-珀罗标准具为外腔选模器件的环形腔单频光纤激光器实验研究。

That is to say optic fibre grating reflect all centre change of wavelength reflect external world examine into change of signal.

也就是说光纤光栅反射光中心波长的变化反映了外界被测信号的变化情况。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。