一种基于多核DSP的雷达自主搜索算法设计  

Design of Algorithm Based on Multiple-Core DSP for Independent Search

作　　者：赫炜亮 HE Weiliang

机构地区：[1]西安导航技术研究所,西安710068

出　　处：《现代导航》2025年第1期74-78,共5页Modern Navigation

摘　　要：自主搜索是在无目指条件下,雷达对周围空间进行扫描并处理回波信号,进而发现空间目标。自主搜索数据量大,对雷达实时信号处理提出了巨大的挑战。基于FT-6678N提出了一种基于多核数字信号处理器(DSP)的自主搜索检测算法,按距离门将回波数据分配至多个核独立处理,处理完成后由一个核对检测结果进行综合,输出最终检测结果,提高了自主搜索信号处理的效率和准确性。通过理论仿真对该算法的检测性能进行了评估,并将该算法应用至某型在研雷达,对无人机进行自主搜索,搜索结果实际运动规律,满足预期设计。Under the work-mode of independent search,the radar will scan its surrounding space without any indication,and then process the echo signal,aimed to find targets in the space.A large amount of data will exist in the mode,and then pose great challenges for real-time signal process of radar.A new kind of algorithm for independent search is established in the paper,the algorithm is completed in FT-6678N Digital Signal Processor(DSP)with multiple cores,it distributes input data to different cores according to the distance,and then each core processes data independently,finally one core was chosen to integrate all the detect results and output the final result.The algorithm can improve the efficiency and accuracy of signal processing in independent search.The effectiveness of algorithm is validated by simulation,and then apply current algorithm to one radar,the radar independently search a high-speed drone,the result conforms the regular of drone movement and expected design.

关 键 词：自主搜索 目标检测 FT-6678N 

分 类 号：TN957.5[电子电信—信号与信息处理]