进行逐步线性回归，阐述了负荷预测的应用研究,通过虚拟阵元进行DOA估计，最小均方误差（MMSE）的算法，添加噪声处理，相控阵天线的方向图（切比雪夫加权），直线阵采用切比学夫加权控制主旁瓣比。- Stepwise linear regression, It describes the application of load forecasting, Conducted through virtual array DOA estimation, Minimum mean square error (MMSE) algorithm, Add noise processing, Phased array antenna pattern (Chebyshev weights), Linear array using cut than learning laid upon the right control of the main sidelobe ratio.