摘要
针对基于电视伴音信号外辐射源雷达大数据量、高实时性、大动态范围的要求,本文设计了一种基于TS201DSP处理器的信号处理机,以作为该体制雷达的工程应用平台。该处理机通过DSP处理器级联的方式将算法分布于多级处理器,对雷达接收信号进行流水处理;在运算量大的处理环节,采用多片并行处理的方式提升运算能力和数据刷新率。系统设计中还规划了存储器和总线资源的分配,避免在数据传输和处理环节发生资源竞争。除利用多片处理器协同工作外,还在软件上对运算量大的核心算法针对处理器架构进行了优化,提升整体运算效率。经过外场试验,验证了本雷达信号处理平台性能良好,符合设计预期。
For requirement of high data rate, real-time ability and high dynamic range of the passive radar based on TV acoustics, a signal processing system based on TS201 DSP is designed and it can be used as the engineering application platform of the passive radar. The system processes data with its cascade architecture, which distributes algorithms among multiple processors in series. At the section of heavy computation, parallel processors are set to improve the processing capability and data refresh rate. The layout of memory and data bus resource are designed, avoiding competition between data transmission and processing. Besides processors co-operation, algorithms are optimized for the archi- tecture of the processor. With experiments, the performance of the processing system is demonstrated and it meets the expectation.
出处
《数据采集与处理》
CSCD
北大核心
2013年第4期444-449,共6页
Journal of Data Acquisition and Processing
关键词
雷达工程
信号处理
外辐射源雷达
干扰抑制
radar engineering
signal processing
external illuminator-based radar
interference cancellation
