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

系统辨识工具箱，使用时域和频域响应数据的传递函数、处理模型和状态-空间模型识别。-System identification toolbox, the use of time domain and frequency domain response data of the transfer function, process model and state space model identification.