1) packet delay variation (PDV)
分组时延偏差,包时延偏差
3) retardation error
延迟偏差
4) differential delay lines
差分延时线
1.
The time resolution of 300 ps is obtained,because the differential delay lines are used to perform interpolation and to realize the fine time measurement,and high frequency counter is designed to perform the coarse time measurement.
该模块采用高频计数器实现粗时间测量,差分延时线内插技术完成细时间测量,时间分辨率为300 ps。
5) differential group delay
差分群时延
1.
The character of polarization mode dispersion(PMD) in high-speed optical fiber transmission system is analyzed theoretically,and the mechanism of differential group delay(DGD) caused by PMD is found out.
文章从理论上分析了高速光纤通信系统中PMD的特性,得出了由PMD导致的DGD(差分群时延)的机理。
2.
Furthermore, differential group delay of the dispersion shifted fibers is measured using this method.
介绍了通过偏振复用孤子测量偏振模色散的基本原理 ,并且在实验上实现了对保偏光纤的测量 ,测量结果与通过数值计算得到的保偏光纤的差分群时延符合得很好。
3.
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。
补充资料:逼近函数的偏差
逼近函数的偏差
deviation of an approxmating function
通近函数的偏差【山血位扣of ana即.油加tiI犯如‘丘.;yoo.e。。e np:6二:狱a沁川e‘中y。二明。。1 逼近函数g〔K和一个给定函数f任叨之间的距离p匆,f).在同一个类叨内可以考虑用不同度量p,譬如一致度量 p(g,f)一碧笃}g(x)一f(x)I,以及积分度量 /(。,,)一(i一(·)一,(·):“·)’‘’,p一和别的度量.至于逼近函数的类K则可以用代数多项式、三角多项式,还有f关于某个正交系的正交展开的部分和,这些部分和的线性平均,以及一些别的集之、
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条