针对数字相控阵雷达技术特点,分析了阵面直接故障模拟和等效故障模拟两种阵面故障模式,重点研究了平面相控阵天线阵元级等效故障建模技术,设计了一种阵面故障回波仿真平台和仿真程序流程,采用了对雷达控制参数在线接收和解析方法,以及多线程软件设计技术,实现故障回波信号的实时仿真计算;同时,分析了雷达收发组件不同数量故障情况下对雷达脉压性能影响。通过阵面故障仿真技术为雷达测试性验证和阵面故障情况下性能评估提供有效方法。

In view of the feature of digital phased array radar, this paper analyzes two kinds of array fault modes, such as direct fault simulation and equivalent fault simulation, and focuses on the design of planer phased array antenna module equivalent fault modeling technology, and designs a platform of array fault echo simulation and program flow, The method of on-line receiving and analyzing radar control parameters and multithreading software design technology are adopted to realize the real-time simulation calculation of fault echo signal. The influence of different number of radar T/ R module faults on radar pulse pressure performance is analyzed.Through the research of array fault simulation technology, It provides an effective method for the performance evaluation of the radar test verification and the condition of the array failure.

TN956