全光网；超长距离传输；
全光3r再生是克服超长距离传输中光信号恶化的一种有效的方法。
All optical 3r regeneration is an effective method to overcome the optical signal degradation in the long haul transmission systems.
在超长距离传输时，信号调制格式是可提高系统传输性能的一项关键技术。
Modulation format of signal has become a key technique to enhance the transmission capability of system in the long-distance system.
利用光孤子传输长久不变形的原理，构成一种超高速、超长距离的光纤通信系统——光孤子通信系统。
Using non-deformation principle of soliton propagating over ultralong distance(fibers), the ultrahigh speed and ultralong hauls transmision system—optical soliton communication is developed.
利用光孤子传输长久不变形的原理，构成一种超高速、超长距离的光纤通信系统——光孤子通信系统。
Using non-deformation principle of soliton propagating over ultralong distance(fibers), the ultrahigh speed and ultralong hauls transmision system—optical soliton communication is developed.
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