资 源 简 介
提出了将Altera公司的Nios II软核嵌入到FPGA器件内部来控制高性能直接数字频率合成器AD9858的方法,在简要介绍Nios II和AD9858的特性的基础上,详细说明了系统设计电路结构和软件设计方法,提出了一种新的雷达信号源的设计方法,该系统具有集成度高、稳定性好和扩展性强等优点。
Abstract:
A new method that uses Nios II CPU soft nucleus of Altera company which is embedded in FPGA to control the high performance DDS AD9858 is introduced in this paper. The main characterisTIcs of Nios II CPU soft nucleus and AD9858 are briefly introduced.The circuit diagram and software control flow are presented in detail.A new design of radar signal source is introduced.It has many advantages,such as high integraTIon,high stability and easy expansibility.