说明：  使用广义最小二乘法辨识系统参数,这是《系统辨识》这门课程的程序，希望大家（特别是上这门课需要写论文的同学）能够用得上
(Using generalized least squares identification system parameters, this is the " system identification" procedure for this course, I hope you (especially on this course requires students to write papers) to the lingua franca of)