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Kinnane, Oliver, Ringwood, John, Kelly, Damien and Malpas, Simon (2004) Describing Function Approximation For Biomedical Engineering Applications. Proceedings, the Irish Signals and Systems Conference ISSC 2004, Belfast. pp. 107-112. ISSN 0537-9989;
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Abstract
This paper focuses on the determination of suitable approximations for sigmoid-type nonlinear characteristics, which are common to physiological systems, particularly cardiovascular regulatory systems. These sigmoid nonlinearities have been implicated in the development of limit cycle oscillations in blood pressure. Approximations of the sigmoid are required since the describing function is not calculable for the all representations of the sigmoid characteristic. In this paper, we present a new approximation, which gives a better overall approximation of the sigmoid and hence, can assist the use of describing functions in the diagnostic analysis of cardiovascular function.
| Item Type: | Article |
|---|---|
| Keywords: | Sigmoid; describing function; cardiovascular function; |
| Academic Unit: | Faculty of Science and Engineering > Electronic Engineering |
| Item ID: | 1973 |
| Depositing User: | Professor John Ringwood |
| Date Deposited: | 02 Jun 2010 15:45 |
| Journal or Publication Title: | Proceedings, the Irish Signals and Systems Conference ISSC 2004, Belfast |
| Publisher: | IEE |
| Refereed: | Yes |
| URI: | https://mu.eprints-hosting.org/id/eprint/1973 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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