参量

The measurement model for the retardation distributing of the quarter wave plate was introduced by Muller matrix and Stokes parameter. And four patterns with phase shifting of 90°in turn were eatched simultaneously by an especial spatial splitting phase-shifter.

1／4波片相位延迟分布的动态测量，通过密勒矩阵和斯托克斯参量法对一种1／4波片的相位延迟分布的测量模型进行了推导，并设计出一种空间分光移相器，取代一般测量系统中的检偏器，使得系统能于瞬间同时采集四幅具有90°移相步长的干涉图，避免了环境振动对测量的影响，从而可以对1／4波片的相位延迟分布进行动态在线测量。

The poled polymer film has it's important position on nonlinear optic (such as harmonic generate, optical parameter oscillator) for it's high nonlinear, high damage threshold with quasi phase matching technology.

而极化高分子膜则更进一步克服了一般有机材料不易晶体化等缺点，结合准相位匹配技术，使得它在光学非线性领域（如光学倍频、参量振荡等）有着重要的一席之地。

For the nonlinear laser device with intracavity doubling or parameter oscillator, the quasi-continuous operating is needed to improve the peak power inside the laser cavity,and AO Q-switching is an important way to obtain the quasi-continuous laser.

对于连续泵浦的内腔式倍频、参量振荡等非线性激光器件，常需要准连续运转来提高腔内的峰值功率，声光调Q是目前获得准连续运转激光器的重要途径。

In the winter or any windy day, tape a sheet of plastic on the outside parameter of the window and see if the wind is coming into your house.

在冬天或所有大风天，把塑料录音板料在窗口的外部参量的并且看见风是否进入您的房子。

Methods:Including Chinese medicine,acupuncture massage,vital message therapeutic instrument,low-energy in-vesscular He-Ne radiation,ultraviolet ray treatment,taser blood therapy,medicine bath with ultrasonic parameter array and functional training.

运用中药、针灸、按摩、经络疏通，He－Ne激光低能量血管内照射，紫外线氧离子透入，03生命信息仪，参量阵超声药浴，功能训练等手段进行医疗康复。

In order to obtain more exact analytical solution to study the output characteristics of double-clad fiber lasers,according to the continuous-wave rate equations of fiber lasers,using typical parameters of double-clad fiber lasers,the contribution of the re-emission effect arising from the interaction between the upper-level atoms and pump light was estimated.Taking into account the predominant part of the re-emission to improve the accuracy of the integration approximated rate equations,the integration of the product of the loss and radiation should be found and explicit analytical expressions for the output of the DCFLs and gradient efficiency of the pump radiation,were deduced,and certain issues of concern were discussed.

为了求得用于研究双包层光纤激光器输出特性的更为精确的解析解，根据稳态速率方程组，针对典型的双包层光纤激光器参量，在估计了上能级粒子再发射项和抽运光产生的影响后，采用保留再发射贡献主导部分的办法以提高可积分近似方程的精确度，明确地提出了要获得光纤激光器输出功率的解析表达式的关键在于求出损耗系数与光场乘积的积分值，简洁地求得了输出功率和抽运光斜线效率的显函数解析表达式，并对其相关问题进行了讨论，以915nm，920nm和975nm的抽运光为例，当输出激光为1090nm时，得出975nm抽运光产生的斜率效率最高并可高达约87%。

In chapter two,we have exhaustively studied how the parameters affect theefficiency of GSA by testing a well-tested Brain function.

第二章以测试标准函数Brain为例，我们详细研究了各个参量对推广模拟退火性能的影响。

These converters are characterized by their large voltage conversion ratio, high output voltage.

它是为满足参量阵声纳的现场使用而研制的，同样适用其他场合变换器有四个特点：变换比大；输出电压高；负载电流大；开关频率高。

Therefore two-chamber single-thrust rocket motor structure was put forward.

使用增加发动机药量的方法，提高一室一推的火箭发动机推力时，通气参量过大直接影响发动机的燃烧性能。

Thrust tests show that two-chamber single-thrust rocket motor structure can effectively reduce the port parameter of the combuting motor,at the same time,make the motor combust stability.

推力试验表明：两室一推发动机结构能有效地减小燃烧时的通气参量，同时使得发动机燃烧稳定，可以用小火箭模拟大火箭的加速度曲线。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。