高灵敏度宽带数字接收机的动态范围优化设计  

Optimal Dynamic Range Design of A High Sensitivity Wideband Digital Receiver

作　　者：邬江 侯智鹏 石瑞芙 WU Jiang;HOU Zhipeng;SHI Ruifu(Science and Technology on Electronic Information Control Laboratory,Chengdu 610036,China)

机构地区：[1]电子信息控制重点实验室,成都610036

出　　处：《电子信息对抗技术》2021年第6期100-104,113,共6页Electronic Information Warfare Technology

摘　　要：在考虑射频通道和AD的噪声和杂散的情况下,提出一种基于信杂噪比的数字接收机灵敏度计算方法。通过AD选型、数字信号处理、射频通道设计、射频通道与AD之间的匹配设计,给出在满足灵敏度和带宽的条件下,提高动态范围的数字接收机设计方法。Based on RF/AD’s noise and distortion,a calculation method of digital receiver’s sensitivity is proposed.By designing of AD selection,digital signal processing,RF channel,matching between RF and AD,a design method of increasing wide dynamic range of digital receiver for required sensitivity and wideband is developed.

关 键 词：信杂噪比 三阶交调 单信号动态范围 双音无虚假动态范围 

分 类 号：TN851[电子电信—信息与通信工程]