基于FPGA的数控振荡器设计与仿真

Design and Simulation for Numerically Controlled Oscillator Based on FPGA

开发了一种基于FPGA的数控振荡器系统,解决了在高速数字通信系统中获得可数控的、高精度的、高频载波信号问题。该系统具有分辨率高、频率转换时间快、相位噪声低等特点。通过对数控振荡器所涉及的原理进行分析,给出了该系统的整体结构,并详细描述了各模块的设计实现方法及所涉及的相关技术,最后给出了仿真结果,验证了设计的正确性。

A kind of Numerical Controlled Oscillator system based on FPGA was developed in order to get numerical control,high degree of accuracy,higher carrier signal in the digital communication system.This system has high resolution,high-speed frequency conversion,lower phase noise and so on.This thesis analyzes the principle about Numerical Controlled Oscillator,gives the whole construction of the system,and describes design method of every Composition Module.At last,it describes the simulation result and verifies the correctness of the design.