摘要
本文分析了面积法辫识中阶次判断的不足之处，给出了一种阶次判断方法，这种方法亦适合于其它连续系统辨识中的阶次判断问题。
The inadequacy of determining orders for the least phase system in step input is point-ed out,and a new method of orders judgmcnt is put forward in this paper,The simuIation re-sults are given in the end of the paper,
关键词
阶跃响应
传递函数
系统辨识
阶项判断
计算机
step response
transfer function
system dentification
the least phase system
