A new magnetic field measurement based on the Faraday effect and the measurement of differential group delay (DGD) in fiber grating was proposed.
提出了一种利用光纤光栅中法拉第效应和测量差分群时延(DGD)的直接测量磁感应强度的新方法,给出了理论分析和实验结果。
The differential group delay (DGD) of the output light which passes through the E-O modulator PMD is estimated and verified by the experimental data.
藉由实验量测到的眼图,我们可以评估光载波经过电光调变器,所产生的群速色散与系统被极化色散现象影响的程度。
The difficulty of solving PMD lies in its randomness of differential group delay (DGD) between the principal states of polarization (PSP) and the change.
PMD问题的最大困难在于差分群延迟(DGD)和偏振主态(PSP)变化的随机性。
Electrical power, changing with differential group delay (DGD) and detected from an optical communication link, can be used as feedback signals of compensating for PMD.
光纤通信线路检测到的电功率随差分群延迟变化,可以作为PMD补偿的反馈控制信号。
It is important to know how does the degree of polarization (DOP) change with differential group delay (DGD) when DOP is feedback information for adaptive PMD compensation.
在用偏振度作为反馈信号的动态偏振模色散补偿系统中,偏振度与差分群延时的关系对于准确快速的动态偏振模色散补偿很重要。
The case was brought by a Belgian consumer group which challenged differential pricing for men and women.
案件源起于来自比利时的一个消费者权益团体,他们向法院提出了关于男女保险费率不同的诉讼。
This article analyzes three main modes of differential pricing to information goods: Group pricing, Versioning and Personal pricing.
重点分析对信息产品差别定价的三种主要模式:群体定价、版本划分和个人化定价。
Research of the group of motions in Riemann manifold is an important question of the differential geometry.
黎曼流形运动群的研究是微分几何中一个重要问题。
An annular model for chemostat was depicted by a group of ODE(ordinary differential equation) to imitate the ecosystem which included competition and predator-prey relations in nature.
为模拟自然界中既包含竞争关系又包含捕食-被捕食关系的生态系统,建立用常微分方程组表示的环状模型。
The dynamic equation of motion chain is a group of high non-linear differential equations, the solution is difficulty.
锚泊线的运动方程是一组高非线性的偏微分方程组,求解困难。
And the evolution of the statistical average values of the set of operators with time satisfy a group of one-order linearly differential equations.
这组算子的统计平均值随时间的演化满足一个封闭的一阶线性微分方程组。
By transformation, the differential equation group of couple motions of solar wings and the central rigid body of the spacecraft is obtained.
通过变换,给出太阳帆板、航天器中心刚体耦合运动微分方程组。
In this paper, heat and mass transfer under the first boundary condition during high intensive and rapid drying process is analysed and the general differential equation group is resolved.
本文针对一维多孔介质的第一类边界条件,对高强度快速干燥条件下热质交换的普遍微分方程组进行求解。
Through building a differential dynamic model which describes interaction among interest-group, this paper discuss the conditions of existence and stability of equilibrium of the model.
本文通过建立一个描述利益群体相互作用的微分动力模型,讨论了其均衡解的存在和稳定性条件。
Under coulostatic perturbation, the transition process may be described by a group of linear differential equations, the key of deriving the equations is to determine the value of start condition.
恒电量微扰下的过渡过程可用一组线性微分方程组表示,求解的关键是确定其初始条件值。
This paper proposes the important of several questions of the current transformer (ta) and connect group of it's secondary circuit in the transformer differential relay.
本文了变压器差动保护中电流互感器TA及其联接组的若干技术问题的性。
Methods in evaluating integrals, some complex variable methods, infinite series, special function, ordinary differential equations, vector and materials, groups and group representations.
计算积分的方法、复数方法、无线级数、奇殊函数、微分方程、向量及矩阵、群论。
To filter out some of the differential genes, 18 cases of AS group and 6cases of healthy control group are validated by real-time fluorescence quantitative PCR.
对筛选出的部分差异基因,选取病例组18例及正常对照组6例,以实时荧光定量PCR进行验证。
The differential protein spots between treatment and control group are similar to the differential protein spots between treatment and model group.
治疗组与对照组之间的差异点同上述两组基本相似;模型组与对照组无明显差异。
The essence of this method is a group of differential equations based on the average change rate of orbit elements, and the right sides of these equations contain definite integrals.
它的实质是以轨道要素的平均变化率为基础的微分方程,而方程的右端包含定积分。
The relative contents of positive cells have also obvious differential (P<0.01) between FTN group or GZFL group and the rat model group, so do between FTN group and GZFL group (P<0.05).
两治疗组较模型组、两治疗中戈货孽要组之间阳性细胞相对含量也有明显差异(P<0.05)。
After analyzing the spectrum of a group of signals, non-polar differential exponent pulse signal was selected as carrier wave, which can separate therapy threshold and ache threshold.
通过对载波信号的频谱分析,提出了一种能分离治疗阈值与疼痛阈值的无极性指数脉冲。
South Africa finished even on points with Mexico, but ended 3rd in the group on goal differential.
组比赛全部结束后,南非虽与墨西哥同积4分,但因净胜球的劣势屈居第3。
South Africa finished even on points with Mexico but ended 3rd in the group on goal differential.
组比赛全部结束后,南非虽与墨西哥同积4分,但因净胜球的劣势屈居第3。
Starting from the precise pair-wise error probability (PEP), the joint border of group coding signal error probability (SEP) in differential unitary space-time (DUST) modulation is deduced.
从精确成对错误概率(PEP)出发,推导得到了DUST调制群码符号误码率(sep)的联合边界。
On the basis of conditions of kinetic theory and strength theory, a group of differential equations are developed for calculating the primary parameters of the mon-slip differential.
根据运动和强度条件得出四联方程,用以确定差速器的主要几何参数。
Abstract: This paper proposes the important of several questions of the current transformer (ta) and connect group of it's secondary circuit in the transformer differential relay.
摘要:本文阐述了变压器差动保护中电流互感器TA及其联接组的若干技术问题的重要性。
The new model is a first-order ordinary differential equation group for the fluid pressure in the cylinder...
该方程是关于液缸内液体压力、泵阀升程与泵阀运动速度的一阶常微分方程组。
The new model is a first-order ordinary differential equation group for the fluid pressure in the cylinder...
该方程是关于液缸内液体压力、泵阀升程与泵阀运动速度的一阶常微分方程组。
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