可以得到很精确的幅值、频率、相位估计，相控阵天线的方向图（切比雪夫加权），用于信号特征提取、信号消噪，数据模型归一化，模态振动，包括最小二乘法、SVM、神经网络、1_k近邻法,IDW距离反比加权方法。- You can get a very accurate amplitude, frequency, phase estimation, Phased array antenna pattern (Chebyshev weights), For feature extraction, signal de-noising, Normalized data model, modal vibration, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, IDW inverse distance weighting method.