一种低功耗高性能数据采集数字处理平台的设计

摘要

目的 构建一套基于中频信号基带数字信号处理的软件无线电平台.方法 通过选择芯片设计硬件电路设计出合适的PCB板.结果 主要依据软件无线电平台,提出了一种基于A/D+FPGA+D/A的硬件设计方案,该系统包括了前端的A/D数据采集和后端的D/A模拟数据恢复的详细收发电路原理设计.结论 构建了一个从前端数据接收到后端模拟发送的高速基带数字信号处理平台.%Objective To construct a software radio platform based on IF signal baseband digital signal processing. Methods A suitable PCB board was designed by selecting a chip design hardware circuit.Results Based on the software radio platform, a hardware design scheme based on A/D + FPGA + D/A was proposed. The system included detailed transceiver circuit principle design of front-end A/D data acquisition and back-end D/A analog data recovery.Conclusion A high-speed baseband digital signal processing platform from front-end data reception to back-end analog transmission is established.