The concept of the beam propagation factor M2 is extended for chromatic laser beams. The definition of the beam propagation factor can be generalized with the weighted effective wavelength.
本文把激光光束的M2因子的概念扩展到了彩色激光光束，并定义彩色激光光束的M2因子为有效波长的加权平均。
The six — wavelengths pyrometers with six interference filters for effective wavelength defined and with optical fibers for beam split were developed by the U. S. and CEC scientists inl980's.
八十年代以来，美国及欧共体研制成采用干涉滤光片限定工作波长及带宽的六波长高温计，而分光采用光导纤维。
Its objective is trying to offer the best balance among delay, load and the cost of wavelength conversion in addition to improving the effective wavelength utilization and failure restoring rate.
该机制以网络延迟、负载、波长转换代价达到平衡的最佳值为目标，兼顾波长资源的高效利用和故障恢复率的提高。
One of the most effective and feasible ways of broadening the range of the output wavelength is using frequency conversion of non-linear Crystal under the condition of phase matching.
拓宽激光输出波长的范围最常用最有效的方法之一是利用非线性晶体在相位匹配条件下的频率变换技术。
Under the circumstance of seismic long wavelength, the circular dry fracture is more effective in attenuation of elastic wave than thin dry fracture when the characteristic scale is same.
在地震长波长情况下，相同特征尺度的圆形干裂纹比薄的干裂纹对弹性波衰减更有效。
Single wavelength collimation transmittance experiment is designed and conducted, with total effective attenuation coefficient of tissue phantoms being obtained.
设计单波长准直光透射实验并通过实验测量组织模拟样品的总衰减系数；
It simply wouldn't be possible to produce the effective warmth we achieve without the combination of these two design concepts: proper wavelength and a special reflective silicon surface.
这根本就不可能产生有效的温暖，我们没有这两种设计理念相结合实现的：适当的波长和特殊的反射硅表面。
Authors put forward an effective method which achieves long-wavelength static correction by deriving the low-velocity layer structure from refraction first breaks.
提出一种利用折射初至反演低速带的结构来进行长波长静校正的有效方法。
Applying this method to target detection out of the atmosphere, the result has been obtained. It can be approved the method is effective to choose optimum wavelength bands for target detection.
将其运用到大气外目标探测的问题，得到了较好的探测波段的结果，说明此方法选择优化波段进行目标探测是有效的。
It is an effective way to resolve this problem by adopting dense wavelength-division multiplexing technology.
解决这一问题行之有效的方法是采用密集波分复用技术。
It is an effective method for the control of sensitivity in different wavelength range that desensitizing dye is added to the spectral sensitized emulsion.
将减感染料加到光谱增感乳剂中是控制不同波段感光度的有效手段，但是有关减感机理一直以来尚有不同的解释。
The database includes all single-scattering properties of cirrus. The database is valid at wavelength from 0.4 micron to 2.2 micron and the effective dimension from 10 micron to180 micron.
精确计算了有效尺度从10微米到180微米，波长从0.4微米到2.2微米的冰云的单次散射特性，也形成了对应的散射数据库。
Thirdly, the effective time to add the wavelength stabilization feedback is the time when the FEL work steadily.
再次，加入反馈系统的时机最好是在系统达到稳定之后。
The experiment and analysis prove that effective grating coupling can be achieved through the reasonable design of a 2D grating for very long wavelength QWIPs.
实验与计算结果证明，合理地设计二维光栅，进行甚长波QWIP光耦合，可以获得有效的光耦合效果。
The experiment and analysis prove that effective grating coupling can be achieved through the reasonable design of a 2D grating for very long wavelength QWIPs.
实验与计算结果证明，合理地设计二维光栅，进行甚长波QWIP光耦合，可以获得有效的光耦合效果。
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