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讨论了自适应数字波束形成(DBF)技术和超分辨空间谱估计技术,并提出了一种基于信号协方差矩阵特征分解的时-空二维信号高分辨谱估计算法。以上技术应用于相控阵雷达系统,可以精确获得多个运动目标的方位信息和多普勒信息。文章最后给出了计算机模拟结果。
The technology of adaptive digital beamforming (DBF) and super-resolution space spectrum estimation are discussed. A novel high-resolution two-dimensional space-time signal estimation algorithm based on eigen decomposition of signal covariance matrix is proposed. The above technique is applied to the phased array radar system to accurately obtain the azimuth information and Doppler information of multiple moving targets. Finally, the article gives the computer simulation results.