最小二乘辨识参数，用来辨识非线性系统的参数，还可以对非线性系统进行仿真。-Least squares identification parameters, used to identify nonlinear system parameters, it can also nonlinear system simulation.

以中等纯度的精馏塔为研究对象，已知系统的传递函数，用matlab仿真，实现最小二乘法对系统进行参数辨识。-In the distillation column medium purity as the research object, the known transfer function of system, using MATLAB simulation, the realization of system parameter identification by the least squa