摘要
本文介绍了一种利用雷达回波幅度信号频谱相位信息进行角度超分辨的方法 .文中进行了理论分析 ,并对其分辨原理作了仿真 ,证明该方法是可行的 .仿真表明在信噪比为 10dB时仍有效地分辨是否为多目标 .文中还对天线主瓣的时间函数与雷达回波幅度时间函数失配情况进行了仿真 ,表明在一定的条件下 ,仍可有效的分辨目标 .文章的最后还给出了实际雷达实验数据处理的结果 ,表明该方法在实际中也是可行的 .
A method which makes use of the phase information of spectrum of radar echo amplitude signal to make azimuth super resolution is given.Theoretical analyses and simulation results are also given.The results prove that the method is feasible and can effectively resolve whether radar echoes contain a single target or multi targets under the condition that SNR is above 10dB.At the same time,the case in which the time function of antenna mainlobe is not a match for that of echo amplitude is simulated.As a result,the method can efficiently resolve targets under some condition.Finally,the processing results of radar experimental data are presented and indicate again that the method is feasible in practice.
出处
《电子学报》
EI
CAS
CSCD
北大核心
2000年第6期1-3,共3页
Acta Electronica Sinica
关键词
相位信息
角度超分辨
雷达
phase information
azimuth super resolution
time function of antenna mainlobe
time function of radar echoes' amplitude
