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- difference group delay 差分群时延
- We demonstrate a second order polarization mode dispersion compensation scheme using two polarization controllers, two optical circulators and a variable different group delays (DGD) component. 摘要:在光纤通讯传输系统中，当传输速率和距离不断增加时，二阶偏极化模态色散对传输品质的影响不得不被考虑。
- This paper discusses group delay and phase delay of resonance loop. 讨论了谐振回路的群延时与相延时以及它们在电视技术中的应用。
- The group delay and dispersion of whistler wave are mainly dependent on ionization density. 哨声群时延和色散值主要决定于电离密度;
- Group delay distortion,attenuation distortion and echo will cause the intersymbol interference. 影响数据传输质量的主要因素为:群时延失真、衰减失真以及回波引起码间干扰;
- Abstract: this paper discusses group delay and phase delay of resonance loop as well as their application to TV technology. 文摘:讨论了谐振回路的群延时与相延时以及它们在电视技术中的应用。
- The mathematical expression of the relationship between degree of polarization(DOP)and differential group delay(DGD)for Gauss pulse is derived. 理论推导出准单色光波情况下、输入信号为高斯脉冲时偏振度(DOP)与差分群延时(DGD)关系的简明解析表达式。
- The group delay,which characterizes the linear distortion of the system and network,is an important transmission characteristic. 群时延是系统和网络的一项重要传输特性,它表征系统和网络的线性失真。
- 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。
- Different kinds of people form different groups. 人以群分。
- 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。
- A 1991 report published by the Swiss government mentioned some problems which existed between the difference groups. 一本1991年瑞士官方出版的报告曾提到各种语文族群相处的一些问题。
- Given the desired group delay, the complex Cepstrum coefficients are computed in such a way thatthedenominatorgroup delay is approximated in the WeightedLeast Square sense. 通过使全通滤波器传递函数分母的群延迟在加权最小均方意义下近似理想的群延迟,导出复倒谱的计算公式。
- Because this system uses the spectrum minutiae of the group delay spectrum to be as the sample, it can be used to compare with the traditional endpoint and bifurcation minutiae. 因为，本系统采用群延迟频谱的频谱特徵值取样，和传统所使用的端点与叉点特徵值相比，所需的影像前处理计算量相对地少与较少的影像增强功能；
- These problems are quite complex and it is not easy to achieve harmony between the difference groups. 他们的问题相当复杂，在各语言间取得协调，也非易事。
- 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。
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- How can we best meet the needs of all the different groups? 我们怎样才能最好地满足各种人的需要呢?
- The mating of persons from different groups, often as a consequence of taboos against marriage within the group. 族外婚分属不同群体的人之间的婚姻，常由不准族内通婚的禁忌导致
