The operating principles of the monolayer neural network, Adeline network and B-P network in the system identification are introduced in this paper. The transformational method from the weights of the networks to the transfer functions is put forward.

• 主要研究了单层神经网络、Adaline网络及B－P网络用于系统辨识中的工作原理，提出了把B－P网络权值转换为传递函数的方法。