基于AD9957的正交上变频发射机设计和仿真  

Design and Simulation of Orthogonal Up-conversion Transmitter Based on AD9957

作　　者：刘天宇[1] 付天晖[1] 张娜[1] 张丹[1] LIU Tian-yu FU Tian-hui ZHANG Na ZHANG Dan(College of Electronic Engineering, Naval University of Engineering, Wuhan Hubei 430033, Chin)

机构地区：[1]海军工程大学电子工程学院,湖北武汉430033

出　　处：《无线电通信技术》2017年第2期74-77,共4页Radio Communications Technology

摘　　要：简要介绍了射频数字化短波发射机的基本原理以及AD9957芯片的主要功能,提出了一种利用AD9957芯片来实现射频数字化短波发射机内部数字上变频模块和数/模转换模块的方案,并对软件无线电通信中使用高效数字滤波器,即半带滤波器和梳状积分滤波器的性能进行了研究与分析,使用Matlab软件对AD9957在短波发射机中的应用部分进行仿真分析,对每一个模块的功能进行了实现。The basic principle of radio frequency digital short-wave transmitters and the main functions of the AD9957 chip are briefly introduced,a scheme of using AD9957 chip to realize the internal digital frequency up-conversion module and D / A conversion moduleof digital short-wave radio frequency transmitter is proposed,and the research and analysis on the performance of some efficient digital filtersi.e. half-band filter and comb filter used in the software radio communication are made. The simulation analysis of the application of AD9957 in the short-wave transmitteris made using Matlab software,and the function of each module is realized.

关 键 词：AD9957 MATLAB 短波 正交上变频 

分 类 号：TN83[电子电信—信息与通信工程]