新型高频数字化收信机的设计与实现  

Design and Implementation of a New HF Digitized Receiver

作　　者：柴建军 杨春顺 

机构地区：[1]上海美多通信设备有限公司,上海200333 [2]海军驻上海地区通信军事代表室,上海200333

出　　处：《舰船电子工程》2014年第5期158-162,共5页Ship Electronic Engineering

摘　　要：根据软件无线电技术设计思想,设计并实现一种新型高性能高频数字化收信机。介绍了采用一次变频超外差体制的高中频数字化总体方案架构,着重对前端模拟射频信道、频率合成器和数字信号处理模块的方案设计、实施作了详细分析,对低通滤波器、混频器、中频滤波器、DDS、ADC、DDC、DSP等关键元器件选择作了说明。最后给出了该方案工程应用的性能指标结果。According to the software radio technology design ideas,how to design and implement a new HF digital receiver is discussed.First,the structure of the single conversion superheterodyne high and moderate frequency digital overall solution are described,and the detailed analysis of the front-end analog RF channel,frequency synthesizer and the design, implementation of digital signal processing module are emphasized.Then,the key components such as the low-pass filter, mixer,IF filter,DDS,ADC,DDC,DSP are explained.Finally,the performance results of the engineering applications are given.

关 键 词：HF收信机 高中频 动态范围 频率合成 数字信号处理 

分 类 号：TM935[电气工程—电力电子与电力传动]