密集假目标产生与特征向量提取研究
The Research of Dense decoy Target Generation and Feature Vector Extraction

密集假目标是一种新型有源欺骗式干扰，其因卓越的干扰效果在军事领域得到广泛应用。基于此，对密集假目标的检测识别迅速成为雷达电子战领域研究的重点，本文针对密集假目标产生机理，阐述DRFM的工作原理及优缺点，随后提出了一种将天线方向图函数与雷达方程相结合得到目标、干扰回波模型的方法，并根据实际情况，设置多组目标，得到各目标归一化和差通道回波信号。
Dense decoy target is a new type of active decoy jamming, which has been widely used in military field due to its excellent jamming effect. Based on this, the detection and recognition of dense false targets has quickly become the focus of research in the field of radar electronic warfare. In this paper, according to the generation mechanism of dense false targets, the working principle and advantages and disadvantages of DRFM are described, and then a method of combining antenna pattern function with radar equation to obtain target and jamming echo model is proposed. According to the actual situation, multiple groups of targets are set to obtain normalized and differential channel echo signals of each target.