Depend on the existing technology and application of radar display terminal , the feasibility and necessity of transition from original hardware - based platform to software radar terminal system based on network are discussed in this paper ; a practical method of this extensible system based on pc is brought forth ; and the prospect of this technology is also presented , compared to the current applications 摘要从现有的雷达显示终端技术基础和实际应用中出现的问题分析出发，简述了雷达显示终端系统由原有的硬件处理终端向软件化、网络化发展的必要性和可行性；并分析了该pc机可扩展的系统的实现方案；同时从当前的应用角度出发分析介绍了该技术的发展前景。
