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光纤通信具有极大的通信容量、极长的通信距离、对强电干扰的天然抗御能力、丰富的自然资源等优点,因此,其发展速度极快,仅用十年的时间,在八十年代初期就达到了商用化水平,从而取代了同轴电缆。为促进这一新技术在我国铁道上的应用,1980年铁道部科学研究院通信信号所与电子工业部在北京环形电气化试验铁路上成功地进行了10km 8Mb/S数字光纤通信系统抗电磁干扰现场试验。在此基础上进一步完善了系统实用化的功能,铁道
Optical fiber communication has great communication capacity, extremely long communication distance, strong natural resistance to strong electrical interference, rich natural resources and other advantages. Therefore, its development has been extremely fast. In just a decade, Early to reach the commercial level, which replaced the coaxial cable. To promote the application of this new technology in China’s railways, the Ministry of Railways Research Institute of Communications and the Ministry of Electronics Industry successfully conducted a 10km 8Mb / S digital optical fiber communication system against electromagnetic interference on the Beijing Ring Electrification Experimental Railway in 1980 test. On this basis, to further improve the practical functions of the system, the railway