一种自适应海杂波滤波器的实时控制

The real--time control of a adaptive sea clutter filter

论文介绍了新近研制的一种由高速DSP实现实时控制的自适应海杂波滤波器。重点围绕滤波器多种工作模式下的时间同步与实时控制。作为控制中心主要完成各距离段上杂波谱的自动搜索与捕获,实时将杂波谱锁定在滤波器凹口处,以实现多种工作模式的转换等。系统设计较好地利用了DSP芯片TMS32020的内部资源。滤波器性能达到设计要求并与理论分析相吻合。该系统已用于某地面雷达的技术改造。

A newly developed adaptive sca-clutter filter is presented, whose realtime control is implemented by a high-speed DSP (TMS32020). Emphasis is put on the problem of synchronization and realtime control of the filter under multiple operating models, and the clutter searching, catching and locking and the switching of the multiple models are also described.