全光网；超长距离传输；
光纤传输几乎是目前大容量长距离传输系统所使用的唯一技术方式。
At present, in high capability and long distance transmission system, the technology of fiber transmission is almost the only choice.
考虑到光纤损耗及探测器灵敏度限制，紫外光纤不宜作长距离传输。
An ultraviolet fiber is not suitable for long distance transmission considering the great loss and the limitation of the sensitivity of the detector.
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.
显然，对这种系统，要实现长距离传输，必须采用较低色散系数光纤。
So for this system, in order to realize long distance transmission, the optical fiber dispersion coefficient must be small.
由于光纤的损耗大，考虑到探测器的灵敏度限制，不宜作长距离传输。
Transmission by ultraviolet fiber is not suitable for long distance considering the great losses and the sensitivity limited of detector.
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.
中国形成酸雨的两种主要机制是大气致酸污染物的局地冲刷和中长距离传输。
There are two main mechanisms in China's acid rain: the regional washing and the middle and long distance transfer of atmosphere pollutants.
“如果采取一个大范围的视角，就会意识到污染物的长距离传输，”Schoeberl说。
"If you take a wide view, you start to pick up long distance transport of pollutants," Schoeberl said.
讨论了光丝长距离传输特性在超宽带激光雷达和激光引导闪电等方面的潜在应用。
The potential application of filament in ultra-wide-band lidar and laser induced lightning is also analyzed.
这一困难对于长距离传输最为严重，不过，即便传输距离只有几百英里，有时也会出问题。
The difficulty is most acute for long-distance transmission, but shows up at times even over distances of a few hundred miles.
目前偏振模色散(PMD)已成为长距离传输、高速率数据和模拟系统的主要限制因素。
At present, polarization mode dispersion (PMD) has become an important limiting factor for the performance of long distance transmission, high rate data and analog communication systems.
系统运行结果表明，该系统性能稳定，具有较强的抗干扰能力和可靠的信息长距离传输能力。
The operation of system shows that the system is stable and offers strong anti-interference capability and reliable information transmission in long distance.
半导体激光器和检测器、低损耗光纤，以及后来的光放大器的发明使得长距离传输成为现实。
The invention of semiconductor lasers and detectors, low-loss optical fiber and, later, optical amplifiers, made long-distance data transport feasible.
实验结果表明，该系统有效改善了VGA信号的衰减和失真现象，可保证信号的高质量、长距离传输。
The results show that the system improved the VGA signal attenuation and distortion, achieved high-quality, long-distance transmission.
短波有利于长距离传输广播节目，短波信号被围绕地球的电离层反射，能在大地和电离层间来回反射。
Short wave is good for broadcasting very long distances. The short wave signals bounce off the ionosphere that surrounds the Earth, back to the ground and then back to the ionosphere.
作为热量传到大气中的电力损失比例也将下降，因为直流传输线在长距离传输中比交流传输线损失更少。
The proportion of power lost as heat into the atmosphere will also decline as DC links have smaller losses than AC over long distances.
使用新方法的优点在于利用光纤长距离传输多普勒频移信号，因此具有抗野外雷电及其他电磁干扰的特性。
The process has the advantage of immunity to lightning and other electromagnetic interference by the use of optical fiber transmission.
由于CAN总线传输距离有限，要适应井下长距离传输，有必要设计一种CAN总线中继器将CAN信号进行存储转发。
As the CANBUS transmission distance is limited, it is necessary to design a CANBUS repeater which ADAPTS to long-distance underground transmission to store and forward the CAN signals.
汞是唯一以气态单质形态随大气循环参与全球迁移的重金属元素，大气汞的长距离传输是汞的生物地球化学循环的重要特性之一，对全球汞循环有着重要的影响。
Mercury (Hg) is the unique heavy metal transported with gaseous elemental Hg (GEM). Atmospheric Hg can be transported for a long distance, which plays an important role in global Hg cycle.
卡拉里斯想知道同样的原理，是否能改善磁感应在长距离的传输效率。
Karalis wondered whether the same idea could improve the efficiency of magnetic induction at greater distances.
20世纪90年代美国对电力系统放松管制，鼓励电力公司将电力传输更长距离。
The deregulation of America's utilities in the 1990s encouraged companies to transfer power over long distances.
智能电网用效率更高、成本更低的传输方法——长距离地将电能传输到地方输电线、家庭和企业的终端用户。
Smart grid describes a more efficient, less costly method of moving electricity along long-distance transmission lines to local power lines and end-users in homes and businesses.
波分复用(WDM)技术是增大光纤传输容量的方法，但是在高速率、长距离wdm系统中传输性能受到限制。
WDM technology is a method for increasing the transmission capacity of optical fiber, but the transmission performance in WDM system with high speed and long distance is limited.
本文研究光纤非线性现象之一的四波混频对长距离相干多路光纤传输系统的影响。
In this paper, effects of one of the fibre nonlinearities, four-wave mixing, in long distance coherent multichannel optical fibre transmission are studied.
同时也对长距离、大容量波分复用传输新技术作了简要的介绍。
And, it introduces the some of new transmission technologies in the long haul and high capacities WDM systems.
蓝图的另一个方向是长距离无线传输能量的设想，如果能够实现，理论上可以连充电板也不再需要了。
At the other end of the spectrum is the idea of long-range transmission of wireless power, which could in principle do away with the need for a charging pad altogether.
激光在大气湍流中长距离近水平传输时，闪烁加强，限制了常规自适应光学的校正能力。
Scintillation increases when laser propagates long distance near horizontally in the atmosphere, which limits the ability of conventional adaptive optical system.
光线路保护系统是一种基于现代通信毫秒级光开关为基础的具有重要实践意义的长距离光传输网络保护系统。
The optical line protection system (OLP) is a long-distance optical transmission network production system, which has a very important practical value.
光线路保护系统是一种基于现代通信毫秒级光开关为基础的具有重要实践意义的长距离光传输网络保护系统。
The optical line protection system (OLP) is a long-distance optical transmission network production system, which has a very important practical value.
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