基于双DSP的废墟搜救雷达实时处理系统设计

Design of dual-DSP based real-time processing system for ruin-rescue radar

为了满足废墟搜救雷达数据量大、算法复杂、实时化要求高等特点,采用一种双DSP并行处理系统,主DSP负责与上位机通信、数据采集、体动信号检测和静目标预处理,从DSP负责静目标的检测,通过从DSP的HPI接口实现与主DSP之间的数据通信,解决了单DSP难以满足算法实时化的问题,阐述了处理系统的硬件设计、软件处理流程与软件程序优化方法。

In order to meet the real-time requirement of ruin-rescue radar, which processes a large number of data by complex algorithm, a parallel processing system based on dual-DSP is developed. The master DSP is used to communicate with upper platform, collect data, detect body-moving signals and preprocess static targets. The slave DSP is used to detect static tar- gets. The data communication between the two DSPs is relized through HPI interface of the slave DSP. The problem that the single DSP can＇t meet the real-time algorithm was solved with this method. The hardware design, software processing flow and soft- ware program optimization of the processing system are described.