[1]张重雄,任继舜.线性系统传递函数的阶数辨识[J].南京理工大学学报(自然科学版),1997,(02):14-17.
 ZhangChongxiong RenJishun.The Order Discernment of Transfer Function for Linear System[J].Journal of Nanjing University of Science and Technology,1997,(02):14-17.
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线性系统传递函数的阶数辨识()
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
1997年02期
页码:
14-17
栏目:
出版日期:
1997-04-30

文章信息/Info

Title:
The Order Discernment of Transfer Function for Linear System
作者:
张重雄任继舜
南京理工大学电子工程与光电技术学院, 南京210094
Author(s):
ZhangChongxiong RenJishun
School of Electronic Engineering and Optoelectronic Technology,NUST,Nanjing 210094
关键词:
线性系统 传递函数 参数识别 频率响应
Keywords:
linear system tr ansfer funct ion paramet ric r ecognit io n frequency response
分类号:
O174
摘要:
在实际系统的参数辨识中,系统的结构往往并不知道。因此,要想正确辨识系统参数,就必须同时要辨识系统的阶数。该文根据线性系统的频域分析原理,讨论了包含有积分环节的线性连续时间系统的阶数辨识方法,并详细描述了线性系统阶数辨识的实现过程以及用F检验法来辨识模型结构的步骤与程序设计方法。实验结果表明,这种方法具有一定的辨识精度和工程应用价值
Abstract:
When a pract ical sy stem is discer ned, it s const ruct ion is o ften not known. Therefo re, if the system parameters ar e to discern, the order of the system must be discerned at the same time. In the paper , according to analy sis theor y of linear system in the fr equency domain, the discernment method of linear cont inuous-t ime system is discussed, including integral link, and the implement procedur e of order discernment o f linear system, the steps of discerning model const ruct ion and the way o f designing pro gram w ith F test metho d. It has been made clear f rom the experiment result that the metho d has a certain discernment precisio n and eng ineering application value.

参考文献/References:

1 李白男. 伪随机信号及相关辨识. 北京: 科学出版社, 1987. 171~173
2 张成乾, 张国强. 系统辨识与参数估计. 北京: 机械工业出版社, 1986. 158~163
3 张重雄, 任继舜. 线性系统传递函数的曲线拟合法测量. 电子测量与仪器学报, 1992( 3) : 29~32

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备注/Memo

备注/Memo:
国防科技预研行业基金
张重雄 男 41 岁 副教授
更新日期/Last Update: 2013-03-29