查询词典 wavelength

But the energy was concentrated in a spectacularly sharp line in the emission spectrum--in other words, the radiation was exceedingly uniform, consisting of a single wavelength with little contamination from other wavelengths.

但是能量被集中在发射谱中一条非常狭窄的谱线上。也就是说，辐射是极度均匀的，只包含有一个单一的频率，而没有其他频率的干扰。

In this paper, the time and spatial resolved emission spectrum of Co atom in laser induced Coplasma were measured in the wavelength region from 380 nm to 500 nm.

本文在380~500 nm波长范围内测定了激光烧蚀Co等离子体中Co原子的时间和空间分辨发射光谱。

The relative intensity of each peak in the emission spectrum depends on the excitation wavelength and the concentration of the Dy3+.

样品的发射光谱中峰值的相对强度变化依赖于激发波长和Dy3+的掺杂浓度。

Laser's main feature is the output is big, the energy conversion efficiency is high, the output wavelength happen to is in the atmospheric window.

激光的主要特点是产量大，在能量转换效率高，输出波长正好是大气窗口。

Speckle is also the fundamental uncertainty factor in this kind of sensors. The analytic expression of centroid uncertainty limit is derived from the statistic of laser speckle, and it is shown that the uncertainty limit in RST, and also in anamorphic triangulation, is dependent on the solid angle subtended by entrance pupil as seen from the illuminated laser spot, the triangulation angle, as well as the laser wavelength. The influence of aberration of optical system and surface roughness are also discussed.(4) A method of getting the 3D edge characters based on the integrated vision system is studied.

重点研究了RST中的激光散斑现象，从散斑统计学的角度，首次推导了激光散斑引起的旋转对称三角法位移测量不确定度的极限，结果表明在光学粗糙表面上，该极限由投射激光波长，光学系统入瞳对投射光斑所张的立体角，以及光学系统主光轴与旋转轴的夹角确定；这一结论同样适用于其他变形成像的激光三角法。4基于RST的工作方式，研究了利用集成视觉系统的扫描移动来获得被测物体的低分辨率三维信息的方法。

Of equidistance line array is greater than half a wavelength

但是当等距线阵的元件间距比半波长要大时

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。

The semiconductor optical amplifier- cross gained modulation wavelength converter in the core node is used to transfer the payload from the old label to the new label to achieve the label erasion and insertion.

基于此光标记系统，研究Mach-Zehnder调制器的消光比、半导体光放大器的偏置电流、接收模块的输入功率、泵浦光功率、探测光功率对误码率的影响，以及转换波长与转换效率的关系。

The wavelength of an actively mode-locked fiber laser based on erbium doped fiber amplifier was stabilized in the experiment.

在实验中对基于掺铒光纤放大器的主动锁模光纤激光器进行波长稳定，激光器的调制频率为10.06 GHz，观察到了良好的稳定效果。

And it is shown that the error of wavelength control is not more than ±0.02nm.

以结构简单的DBR激光器为例，如图1中所示，它的波长调

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐