In this paper the time domain technique Ibrahim Time Domain (ITD) is used to analyze random time data. ITD is known to be a technique for identification of output only systems. The traditional formulation of ITD is claimed to be limited, when identifying closely spaced modes, because of the technique being Single Input Multiple Output (SIMO). It has earlier been showed that when modifying ITD with Toeplitz matrix averaging. Identification of time data with closely spaced modes is improved. In the traditional formulation of ITD the time data has to be free decays or impulse response functions. In this article it is showed that when using the modified ITD random time data can be analyzed. The application of the technique is displayed by a case study, with simulations and experimental data. © The Society for Experimental Mechanics, Inc. 2013.
CITATION STYLE
Olsen, P., & Brincker, R. (2013). Using random response input in Ibrahim Time Domain. In Conference Proceedings of the Society for Experimental Mechanics Series (Vol. 6, pp. 281–287). https://doi.org/10.1007/978-1-4614-6546-1_29
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