Technical requirements and measurement methods on optical link used in catv systems 有线电视网中光链路系统.技术要求和测量方法
Moreover , in this dissertation , the scheme of the optical link of x - band ocpar is discussed X波段光控相控阵雷达光链路的实现方案也是本文的论述对象。
Based on the former parts , what are the topology of a wireless optical access network ? how can a wireless optical access network connect to the backbone network and customer ' s lan 第五章是针对由于无线光链路用微波作为备用链路或者无线光链路作为光纤环路的备用链路的网络拓扑介绍。
The design for optical transmitter and receiver system , and the structure of optical true time delay line , and related components are described . this work would be helpful for realization of x - band phase array optical link 本文对光收发系统和光实时延迟线结构的实现方案进行了论述,并对相关器件进行了介绍,对x波段光链路进行了很有成效的探索。
The chapter of theoretical analysis and modeling includes baseband signal , coding , modulation , as well as optical electric transform , demodulation , decoding , the recovery of baseband signal . according to the request of the whole system , we have studied three possible schemes for long wavelength and short wavelength , finished correlative analysis and comparison , and presented the conclusion 理论分析和建模部分则分析了包括光发射、光信道、光接收在内的整个通信链路,研究了包括基带信号、编码、激光调制到光电变换、解调、解码、恢复基带信号等空间光链路发、收传输的整个过程,提出了系统的模型。
In this thesis , through analyzing the gain , noise and dynamic range of the analog optical fiber , the feature and realization method for each part of the optical - linking system are discussed in detail so that an optical - linking system with good performance can be obtained for optically controlling phased array 本论文通过对已构建的模拟光链路性能的分析,以构建一个完整的、性能优良的、应用于光控相控阵中的光收发系统为目标,从光链路的增益、噪声和动态范围入手,详细论述了光链路性能的改进措施及实现方法。