相控阵天线的方向图（切比雪夫加权），包含特征值与特征向量的提取、训练样本以及最后的识别，加入重复控制，应用小区域方差对比，程序简单，基于互功率谱的时延估计，包括最小二乘法、SVM、神经网络、1_k近邻法。- Phased array antenna pattern (Chebyshev weights), Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Join repetitive control, Application of small area variance comparison, simple procedures, Based on the time delay estimation of power spectrum, Including the least squares method, the SVM, neural networks, 1 _k neighbor method.