(The basic requirement of the optical fiber communication system is to transmit any information from the sending end to the user end without distortion. First of all, it is required that the optical fiber as the transmission medium should have uniform and transparent transmission characteristics, and any signal can be lossless and distortion-free at the same speed. ground transmission.)
发表于 2022-8-9 17:13:13
粤ICP备14042591号-1
粤ICP14042591号