基于FPGA的三角函数数字发生器设计  

Design of Digital Wave Generator for Trigonometric Function Based on FPGA

作　　者：隗聪[1] 

机构地区：[1]江苏大学电气与信息工程学院,镇江212013

出　　处：《计算机与数字工程》2010年第9期187-189,共3页Computer & Digital Engineering

摘　　要：系统而严格地论证与实现了一个基于FPGA与直接数字式频率合成技术的三角函数正弦数字信号发生器,首先介绍了DDS技术的发展历史及其在无线通信系统中的重要作用,接下来阐述了它的工作原理、系统结构,以及理论上的可行性与正确性,最后给出了其实际设计过程、RTL结构图与仿真波形测试结果。This paper make a comprehensive discussion and demonstration about an design of digital wave generator for trigonometric function base on FPGA, firstly introduces the development of direct digital frequency synthesis technology and the import function in the wireless radio, and then expound the working principle and the frame of system, as well as the feasibility and the correctness in theory, and finally the designing process on FPGA in practice, as well as the structure of RTL and the picture of wave simulation were provided.

关 键 词：数字信号发生器 现场可编程逻辑门阵列 直接数字频率合成技术 

分 类 号：TP301[自动化与计算机技术—计算机系统结构]