Numerical instability of deconvolution operation via block pulse functions

被引：1
|
作者：
Deb, Anish [1 ]
Sarkar, Gautam [1 ]
Biswas, Amitava [2 ]
Mandal, Priyaranjan [3 ]
机构：
[1] Univ Calcutta, Dept Appl Phys, Kolkata 700009, W Bengal, India
[2] Acad Technol, Dept Elect Engn, Hooghly 712121, India
[3] JIS Coll Engn, Dept Elect Engn, Kalyani 741235, W Bengal, India
来源：
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2008年 / 345卷 / 04期
关键词：
block pulse functions; identification; oscillation;
D O I：
10.1016/j.jfranklin.2007.09.004
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper characterizes oscillations found in block pulse function (BPF) domain identification of open loop first-order systems with step input. A useful condition for occurrence of such oscillations is presented mathematically. For any positive value of 'ah', oscillations are observed to occur, where h is the width of BPF domain sub-interval and 1/a is the time constant of the first-order system under consideration. (C) 2007 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：319 / 327
页数：9
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