光缆在高强度电磁脉冲（EMP）的作用下，会引起光纤传输特性的变化，导致模间色散增加和信号失真。
The nonlinear effects and heat induced by high intensity EMP in a fiber is analyzed, and some valid protecting measures are presented in this paper.
由于色散的增加，等分角效应对于投影系统比对于直视型显示器更为合适。
Owing to the increased color dispersion, this bisector effect is more suitable for projection systems than for direct-view displays.
对给定的传输距离，随着光纤向零色散附近靠近，两个频谱区谱宽增加直到相互重叠。
For a given dispreading distance, the widths of the two spectrum regions increase until overlay when second-order dispersion approaches zero.
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