摘要
研究了均匀圆形天线阵列STAP处理中一种改进的直接数据域方法.该方法仅通过幅度加权即能有效抑制杂波和干扰,实现对目标信号的正确估计.当目标信号的方向与天线波束指向有偏差时,采用多约束的方法,保证系统在目标信号方向的增益.实验结果表明了该方法的有效性.
In this paper, an improved direct data domain method is studied for airborne radar with uniform circular array antennas in STAP. Based on a single snapshot, this algorithm can effectively restrain jamming and clutter while keeping the signal of interest. By implementing multiple space-time constraints, the system gain is maintained when the signal of interest deviates slightly. Experimental results show effectiveness of the method.
出处
《应用科学学报》
CAS
CSCD
北大核心
2009年第2期192-197,共6页
Journal of Applied Sciences
基金
航空科学基金(No.05D52027)资助项目
关键词
均匀圆形天线阵列
多约束
实数权
直接数据域方法
空时自适应处理
uniform circular array, multiple constraints, real weight, direct data domain method, space-time adaptive processing