基于光纤波分复用的时频信号分发传输技术  

Time-frequency signal distribution and transmission technology based on optical fiber WDM

作　　者：陈凌 Chen Ling(Southwest China Institute of Electronic Technology,Chengdu 610036,China)

机构地区：[1]中国西南电子技术研究所,四川成都610036

出　　处：《电子技术应用》2022年第8期90-94,100,共6页Application of Electronic Technique

摘　　要：在数字相控阵中为保证多通道之间信号合成效率,需要系统为相控阵的多个子阵提供高稳定的时频信号。传统相控阵采用电缆直接分发传输的方法存在幅相一致性差的问题。提出了一种基于光纤波分复用的时频信号分发传输技术,可有效解决数字相控阵中时频信号高效稳定分发传输问题,分发传输后的各支路信号幅度随温度变化在±0.5 dBm之内,相位随温度变化在±3°之内。该时频信号分发传输技术已经成功应用于某数字相控阵多目标统一测控系统。In order to ensure the efficiency of signal synthesis between multiple channels in a digital phased array,the system needs to provide highly stable time-frequency signals for multiple sub-arrays of the phased array.There is a problem of poor amplitude and phase consistency in the method that the traditional phased array uses cables to directly distribute and transmit.In this paper,a time-frequency signal distribution and transmission technology based on optical fiber wavelength division multiplexing is proposed,which can effectively solve the problem of efficient and stable distribution and transmission of time-frequency signals in digital phased arrays.The amplitude of each branch signal after distribution and transmission varies with temperature within±0.5 dBm,and the phase varies with temperature within±3°.The time-frequency signal distribution and transmission technology has been successfully applied to a digital phased array multi-target unified measurement and control system.

关 键 词：数字相控阵 波分复用 时频信号光分发传输 

分 类 号：TN914[电子电信—通信与信息系统]