Analytic Description of Impulse Response Signals |
| Journal |
Solid State Phenomena (Volume 144) |
| Volume |
Mechatronic Systems and Materials II |
| Edited by |
Inga Skiedraite and Jolanta Baskutiene |
| Pages |
39-44 |
| DOI |
10.4028/www.scientific.net/SSP.144.39 |
| Online since |
September, 2008 |
| Authors |
Adam Kotowski
|
| Keywords |
Analytic Description, Impulse Response, Signal Analysis |
| Abstract |
The paper describes a method of analytic description of impulse response (IR) signals
obtained during the test of technical object. The proposed description is based on the curve fitting to
obtain the values of the parameters of analytic form of auto-correlation and power spectral density
function. The impulse excitation is given into thoroughly described points of object and the proper
fragment of IR is selected in the order to assure the accuracy of the curve fitting over the level of
90%. This approach enables to describe changes of IR signals in the form of percentage variations
in the parameters of the auto-correlation and power spectral density function (e.g. changes from the
object damage). |
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