基于DSP和Ethernet的实时信号频谱监测系统

Real-time Signal Spectrum Monitoring System Based on DSP and Ethernet Network

设计并实现一种基于DSP和Ethernet的实时信号频谱监测系统,通过S3C4510B ARM芯片构架的以太网通信系统对大数量、分散的网络通道在远端PC上进行实时信号监测。系统利用高速ADC进行直接采样,基于FPGA实现高速数据缓存和系统的逻辑控制,采用TMS320C6713B DSP芯片对采集的大容量数据进行频谱处理。试验证明该系统在HFC反向通道的维护中得到很好的应用。

Design and implementation of real-time signal monitoring system based on DSP and Ethernet network structure was proposed. Through S3C4510B ARM chip framework Ethernet communications system, great quantity and distributed networks channel were real-time monitored in remote PC. In the given system, high speed ADC was adopted to straight sampling, TMS320C6713B DSP was utilized to analyze the real-time spectrum of large amount data in time domain and FPGA was used for high-speed caching as well as logical control of the system. Experimental results demonstrate that the given system has received perfect performance in maintenance of reverse channel of HFC.