位参量

Creative research has been carried in the technologies of temporal pulse shaping, spatial intensity shaping, angular spectrum dispersion, and wave front control, which cover four parameters of time, amplitude, spectrum and phase that describe the characteristics of a laser beam.

以表征激光束特性的时间、振幅、光谱、位相等四个信息参量为对象，创新性地研究了脉沖时域整形技术、光强空间整形技术、光谱角色散技术和波前控制技术。

A new parameter of non-proportionality based on mean dislocation density and a fatigue damage parameter with a clear microphysical meaning were introduced.

给出了基于疲劳位错密度均值的非比例参量和具有明确微观物理意义的疲劳损伤参量。

In the reduction cell, the field calculation for bath solution can be reduced to a potential boundary value problem with a given current while that for liquid aluminum is reduced to the second boundary value problem.

本文提出一种采用相对电参量计算铝电解槽电流场的方法，将铝电解槽中电解液电流场的计算归结为给定总电流的位场边值问题，铝液电流场归结为第二类边值问题。

It is revealed that in the condensates, the different configurations of order parameters lead to different topological structures-velocity field vortex lines, Mermin-Ho vortex lines and monopoles, and these three topological structures can all be characterized by the Hopf indices and Brouwer degrees of φ-mapping, and their locations and motions also be rigorously determined by φ-mapping theory.

文中指出，在凝聚体中，序参量的不同位形导致了不同的拓扑结构—速度场涡旋线、Mermin-Ho涡旋线和单极，而这三种结构都可由Φ-映射Hopf指标和Brouwer度所表征，并且它们的位置和运动亦可由Φ-映射理论严格确定。

For the purpose of studying the effects of decrease of cardiac contractility on orthostatic response, the time-varying elastance modulus E in the Suga and Sagawa heart model has been expressed by a product of a parameter standing for the cardiac contractility and a normalized function.

为研究心肌收缩性能降低对立位应激反应的影响，把Suga和Sagawa的心脏收缩模型中的时变弹性系数E用一个与心肌收缩性能有关的参量〓和一个形式简单、控制参量少的归一化函数〓的积表示。

In this paper,it presents that the two parameters of objective evaluation of color image quality,color difference mean square error and color difference peak signal-to-noise ratio based on the model of S-CIELAB.

对JEPG2000、加白噪音和图像传输中产生位错的三类失真共180幅彩色图像进行了CD-PSNR参量计算，并与国际上已经给出的主观评价结果进行了比较。

Using the first-principles self-consistent discrete variational method based on density functional theory, we investigated the effect of alloying element Mn on the electronic structure of the kink on the [100](010) edge dislocations in bcc iron. We calculate the structural energy, the interatomic energy, the local density of states and the charge density.

用基于密度泛函理论的自洽离散变分方法研究了合金元素Mn对bcc Fe中[100](010)刃型位错上扭折的电子结构的影响，计算了格位能、原子间相互作用能、电荷密度及态密度等物理参量。

An anomalous or"inverse"behavior of the critical strain, beyond which the plastic flow involves a bifurcation from smooth to jerky flow, in a certain range of applied strain rate is studied. The evolution of amplitude, rise time and drop time of stress serrations during the test is analyzed statistically. From the mechanism of the motion and multiplication of dislocations, we give a qualitative explanation for above phenomena.

在PLC效应的时域特性方面，研究了临界应变在应变率区间上的反常演化，统计分析了应力锯齿的跌落幅度、上升时间和跌落时间在变形过程中的演化发展，归纳出各特征参量受应变和应变率影响的规律，结合位错运动和增殖的微细观机制，对上述现象给予了定性的解释。

The fully inseparable bright tripartite entangled state was experimentally generated using the NOPA at deamplification and the linear optical system consisting of polarization beam splitters and half wave plates. The variances of the sum of the amplitude quadratures of the three obtained optical modes and the relative phase quadratures among them is respectively 3. 28dBm and 3. 18dBm below the corresponding Shot Noise Limit.

利用运转于参量反放大状态的NOPA和偏振分束棱镜及半波片，从实验上产生了完全不可分的明亮三组份纠缠态光场，所产生的纠缠态具有三模正交振幅分量和与相对正交位相分量差的起伏方差低于散粒噪声极限的特性。

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。