不同干扰情况下脉冲压缩对雷达作用距离的影响  

The influence of pulse compression on radar detection range under different interference conditions

作　　者：李宏[1] 齐晗廷 于涛[1] 王金勇[1] Li Hong;Qi Hanting;Yu Tao;Wang Jinyong(Unit 63891 of PLA,Luoyang 471000,Henan,China;Beijing Institute of Radio Measurement,Beijing 100854,China)

机构地区：[1]中国人民解放军63891部队,河南洛阳471000 [2]北京无线电测量研究所,北京100854

出　　处：《航天电子对抗》2023年第5期1-3,共3页Aerospace Electronic Warfare

摘　　要：雷达脉冲压缩技术,既是能够解决雷达威力与距离分辨力之间矛盾的手段,也是一种抗干扰措施。分别分析了在背景噪声、窄带噪声瞄频干扰、宽带噪声阻塞干扰情况下,脉冲压缩处理对雷达作用距离的影响。指出了脉冲压缩处理对雷达作用距离是否产生影响的根本原因,是看干扰(噪声)信号的功率谱密度是否恒定。若恒定,则无影响;若不恒定,则会产生影响。The radar pulse compression technique is not only used to solve the contradiction between radar power and range resolution,but also as an anti-interference measure.The influence of pulse compression on radar detection range is analyzed under the condition of background noise,narrow band noise frequency spot interfer-ence and wide band noise blocking interference.It is pointed out that the fundamental reason for the influence of pulse compression processing on radar detection range is whether the power spectral density of jamming signal is constant when the radar adopts pulse compression processing.If the power spectral density of jamming signal is constant,it has no effect,otherwise,the reverse.

关 键 词：雷达作用距离 脉冲压缩 噪声瞄频干扰 噪声阻塞干扰 背景噪声 

分 类 号：TN972.2[电子电信—信号与信息处理] TN974[电子电信—信息与通信工程]