GVD Group Velocity Dispersion 群速度色散： 在高速大容量的光纤通信中，由于光纤介质表现出非线性，光脉冲包络的形状会发生变化，这种影响光信 号接收的变化就称为群速度色...
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The reflection spectrum, time delay, and group velocity dispersion (GVD) of the gratings are analyzed.
并对此种光栅的反射谱，时延及群速度色散进行了理论分析；
The results showed that the effect of group velocity dispersion(GVD) on the pulse with large chip was slight and the effect of spectral width on the self-focusing properties could be ignored.
研究结果表明，群速度色散（GVD）对大啁啾脉冲的影响很小，谱宽对自聚集的影响可以忽略。
Then the effects of higher-order group-velocity dispersion (GVD) on SC generation in different fibers are analyzed and contrasted in details through simulation.
介绍了SC谱的产生机理，并通过数值计算具体分析和比较了各种光纤中高阶群速度色散（GVD）对SC谱产生的影响。
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