数字射频存储器在脉冲多普勒雷达噪声干扰中的应用  

Application of Digital Radio Frequency Memory in Noise Jamming of Pulse Doppler Radar

作　　者：王铁[1] 姜秋喜[1] 毕大平[1] 莫翠琼[1] 

机构地区：[1]解放军电子工程学院,合肥230037

出　　处：《舰船电子对抗》2005年第1期21-24,共4页Shipboard Electronic Countermeasure

摘　　要：采用数字射频存储器(DRFM)技术的噪声干扰机,具有瞄频精度高、噪声带宽窄、干扰功率利用率高的特点,可对脉冲多普勒(PD)雷达实施有效干扰。介绍了DRFM干扰机的组成和工作原理,并分析了瞄频误差和寄生信号的产生以及它们对干扰噪声的影响。The noise jammer using digital radio frequency memory(DRFM)technology,has the features of high frequency spot accuracy,narrow noise bandwidth and high jamming power efficiency,is effective in jamming against pulse Doppler(PD) radar.This paper introduces the component and the operation principle of the jammer using DRFM,and analyzes the emergence of frequency spot error and spurious signal,and their influence on the jamming noise.

关 键 词：数字射频存储器 噪声干扰 瞄频误差 寄生信号 脉冲多普勒雷达 

分 类 号：TN974[电子电信—信号与信息处理]