The key to successful identification is to find a model structure that is flexible enough to capture the essential features of the system, yet simple enough to be estimated from the available data.
成功辨识的关键是找到一个足够灵活的模型结构,以捕捉系统的基本特征,同时又足够简单,可以从现有数据中估计出来。
天下的道理,循环往复,所以能够永恒不息。
Without imperfection, you or I would not exist.
The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.
The greatest intellectual adventures often begin with a simple "What if?"