计算加权加速度,相控阵天线的方向图（切比雪夫加权），使用大量的有限元法求解偏微分方程，模拟数据分析处理的过程，预报误差法参数辨识-松弛的思想，信号处理中的旋转不变子空间法。- Weighted acceleration, Phased array antenna pattern (Chebyshev weights), Using a large number of finite element method to solve partial differential equations, Analog data analysis processing, Prediction Error Method for Parameter Identification- the idea of relaxation, Signal Processing ESPRIT method.