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光纤数字传输是利用光纤作为传输媒质来传输数字信号,它包含数字化广播电视信号及数字信息的传输和交换。本讲先介绍光纤传输知识及技术,然后介绍光纤数字传输系统组成、数字信号调制、系统性能指标及数据信息传输。1 光纤传输特性光纤的传输特性主要有两个,即衰减特性与色散?
Optical fiber digital transmission is the use of optical fiber as a transmission medium to transmit digital signals, which contains digital broadcast television signals and digital information transmission and exchange. This talk first introduced knowledge and technology of optical fiber transmission, and then introduced the composition of optical digital transmission system, digital signal modulation, system performance indicators and data transmission. 1 optical fiber transmission characteristics There are two main transmission characteristics of fiber, that attenuation and dispersion?