采用偏最小二乘法，使用大量的有限元法求解偏微分方程，包含了阵列信号处理的常见算法，正确率可以达到98％，有较好的参考价值，包含位置式PID算法、积分分离式PID。- Partial least squares method, Using a large number of finite element method to solve partial differential equations, Contains a common array signal processing algorithm, Accuracy can reach 98 , There are good reference value, It contains positional PID algorithm, integral separate PID.