光纤传输技术在数字阵列雷达中的应用

Application of Optical Fiber Data Transmission Technology into Digital Array Radar

随着数字阵列雷达的发展,天线阵面与控制中心之间需要交换的数据量越来越大,在这种情况下,光纤传输技术由于抗干扰性强、传输容量大等优点而被广泛采用.波分复用技术和光纤滑环技术的日渐成熟使得光纤传输系统在数字阵列雷达中的应用具备了工程可实现性.首先给出了典型的光纤传输系统构建方案,然后对光纤传输中的关键技术实现、光链路故障的检测和定位等做了分析.该方案已在某雷达中成功应用,性能稳定可靠.

With the development of digital array radar,the amount of data to be exchanged between antenna and control center is increasing remarkablely.To meet such requirements,optical fiber technology for data transmission has received extensive attention because of its high anti-interference performance and high transmission capacity.With the advancement of the techniques of wavelength division multiplexing（WDM） and fiber optic rotary joint,optical fiber data transmission now is applicable in digital array radar system.In this paper,a typical optical fiber transmission scheme is presented,and the analysis on the key technology and the fault detection and position of optical link is also performed.The scheme proposed is being successfully applied into certain radar product,and the performance is proved to be effective and reliable.