查询词典 grating

The advantages of this invention are the following: backmixing non-conjugated grating pair Martinez impulse stretcher and compressor are applied in the multiple-pass enlarger with material of low dispersion and can effectively compensate the material dispersion in the enlarger and reduces the deformation of femtosecond impulse.

本项发明的优点在于，逆向混合非共轭光栅对马丁内兹型脉冲展宽器-压缩器适用于具有较低材料色散的多通放大器，可有效地补偿放大器中的材料色散，减少飞秒脉冲的畸变。

The continuously varying of the refractive index is considered, and according to the property of holographic material, the small wavenumber approximation is utilized and the periodicity of the grating is used.

在矩阵建立过程中考虑了介质折射率是连续变化的，并且根据全息介质的特性采用小波数近似，同时充分利用了光栅结构的周期性特点。

In this approach, the optical Mach-Zehnder intensity modulator is biased to suppress the odd-order optical sidebands, the fiber laser operates in the second-order rational harmonic mode, and a fiber Bragg grating notch filter is used to block the optical carrier.

这种方法的原理是：调节强度调制器的偏置使其抑制奇数阶谐波的产生，同时使激光器工作在二阶有理数锁模状态，最后用一个光纤光栅消除载波。

A new structure for designing beam splitters with the compound modulated grating.

一种新型的光束分束结构——复合调制型光栅。

The influences of grating parameters and velocity and displacement of initial input pulse solitons on time delay are further discussed.

讨论了光栅参数和脉冲初始参数对速度、位移和时延的影响。

The plane grating is priced in terms of square meter; the ladder step is priced in terms of piece; the erection clip is priced in terms of set; guard board, front shield cover and paddle board are priced by linear meter; stealing well cover and manhole cover are priced in terms of set; ordinary ditch cover is priced by area or linear meter.

平台钢格板按照平方米计价；楼梯踏步按件计价；安装夹按套计价；挡边板、前护板和踢脚板按延长米计价；窨井盖stealing well cover、沙井盖manhole cover按套计价；普通明沟盖板按照面积或延长米计价。

In our life, especially in mechanics and engineering sciences, there are many nonsmooth phenomena. For example, the noise of a squeaking spoon in a bowl, or the chattering of machines, the grating of brakes, the percussion of drilling machines, the switches of auto-controller, the oscillation of crystal, etc.

在我们生活中，特别是在力学和工程技术领域，经常会遇到非光滑现象：比如勺子在碗里刮擦时发出刺耳的噪声，或者机器的振动、刹车的摩擦、打孔机的冲击、自动控制器的转换以及晶体的振荡等等。

With the help of single transverse mode He-Ne laser and a preliminary plane-parallel cavity inserted before the grating, expectedd experimental results are obtained and the measured seed laser pulse energy and intensity distribution at different position are given.

自准直谐振腔是调试准直的关键环节，引入辅助准直光源和辅助谐振腔，得到了预定级次的激光振荡输出，并给出了调试中不同位置输出激光的能量及光强分布。

After removing the plane-parallel cavity, the seed pulse energy is about 8 mJ from the grating cavity and the energy is boosted to 60mJ with additional double pass amplification and extender telescrope. And the line-width of the seed pulse is 0.6 cm-1, near the diffraction limit, and meets the demand of the following amplification.

实验获得了8 mJ的主振荡器激光能量输出，经过双程放大和望远镜扩束后输出激光能量达60 mJ，线宽为0.6 cm-1，光束发散角接近衍射极限，满足了后续放大需要。

After removing the plane-parallel cavity, the seed pulse energy is about 8 mJ from the grating cavity and the energy is boosted to 60mJ with additional double pass amplification and extender telescrope.

实验获得了8 mJ的主振荡器激光能量输出，经过双程放大和望远镜扩束后输出激光能量达60 mJ，线宽为0.6 cm-1，光束发散角接近衍射极限，满足了后续放大需要。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了