介绍了一种采样速率可达到3GSPS的超高速数据采集与分析系统,在分析信号采样理论和相关技术的基础上,给出了系统硬件电路设计方案,并重点对各主要部分电路设计进行了详细阐述。软件实现方面,完成了高速数据的串并转换模块以及FFT谱分析功能模块的设计。由于采用了ADC+FPGA+DSP的架构,使得该系统具有较强的通用性。 A high-speed data acquisition and analysis system with a sampling rate up to 3GSPS is introduced. Based on the analysis of signal sampling theory and related technologies, the design scheme of the system hardware circuit is given, and the design of each major part of the circuit is described in detail Explain. Software implementation, completed high-speed data serial-parallel conversion module and FFT spectral analysis module design. As a result of the ADC + FPGA + DSP architecture, making the system has a strong versatility.