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光纤通信网络数据传输经常会受到各种干扰信号的影响,导致正常通信过程中出现信道丢失、连续噪声等现象,提出光纤通信网络中干扰信号处理的滤波器。硬件结构由信号处理器、信号输入输出模块、信号转换模块等部分构成;给出了光纤通信网络中干扰信号滤波算法流程图,结合滤波过程中需要的各种指标要求,并根据滤波器输出的相频特征和幅频特征,调整干扰信号滤波器的各项参数,最终实现对各种干扰信号的有效滤除。结果表明,提出的滤波器设计在不同频率条件下均能获得良好的滤波效果,可以有效提高光纤通信网络的性能和效率。
Fiber optic communication network data transmission is often affected by a variety of interfering signals, resulting in the phenomenon of channel loss, continuous noise and so on during normal communication, and proposes a filter for interference signal processing in optical fiber communication networks. The structure of the hardware consists of signal processor, signal input / output module and signal conversion module. The flow chart of the algorithm of interference signal filtering in optical fiber communication network is given. Combined with the requirements of various indexes in the filtering process, Phase-frequency characteristics and amplitude-frequency characteristics of the interference signal filter to adjust the parameters of the final realization of a variety of effective interference signal filtering. The results show that the proposed filter design can obtain good filtering effect under different frequency conditions, which can effectively improve the performance and efficiency of the optical fiber communication network.