空天预警研究学报2024，Vol.38Issue(1)：24-30,7.DOI:10.3969/j.issn.2097-180X.2024.01.006
基于波束空间交替投影极大似然的拖曳式诱饵分辨判别方法
Towed decoy discrimination method based on beam space alternating projection-maximum likelihood
摘要
Abstract
When the airborne platform encounters threats,it performs self-defense by releasing towed decoys for jamming.When the aircraft target and towed decoys are within the radar beam width and the radial distance is less than the range resolution,the radar cannot distinguish and measure the aircraft target and towed decoys by us-ing conventional methods.In order to address the problem of digital phased array radar against towed decoys,a method based on beam space alternating projection-maximum likelihood(BSAP-ML)is proposed.Firstly,the di-mensionality of digital phased array is reduced by processing from array space to beam space.Then the angle of the target and the towed decoy is measured iteratively by using alternating projection method.Finally,the aircraft target and decoys are identified by the discriminant method based on angle vector.The simulation results show that this method can be applied to digital phased array radar to effectively carry out super-resolution angle mea-surement and discrimination of the aircraft target and towed decoys.关键词
拖曳式诱饵/极大似然方法/波束空间/交替投影/诱饵目标判别Key words
towed decoy/maximum likelihood method/beam space/alternating projection/decoy target dis-crimination分类
信息技术与安全科学引用本文复制引用
彭哲凡,范鹏飞,黄怀玉,郭国强..基于波束空间交替投影极大似然的拖曳式诱饵分辨判别方法[J].空天预警研究学报,2024,38(1):24-30,7.
