TOM-based blind identification of cubic nonlinear systems

TitleTOM-based blind identification of cubic nonlinear systems
Publication TypeConference Paper
Year of Publication2004
AuthorsTan, H. - Z., and T. Aboulnasr
Conference NameAcoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on
Paginationii - 873-6 vol.2
Date Publishedmay.
Keywordsblind cubic nonlinear system identification, identification, method of moments, second-order moment domain, signal processing, signal processing techniques, SOM statistical knowledge, sparse Volterra system truncated subsets, statistics, third-order moment, tom-based blind identification, Volterra equations

In this paper, we extend our previous studies on blind cubic nonlinear system identification from the second-order moment (SOM) domain into the third-order moment (TOM) domain. It is shown that under the given sufficient conditions, more subsets of truncated sparse Volterra systems can be blindly identified using TOM instead of SOM. This is consistent with the fact that more statistical knowledge can be obtained in the third-order statistics domain for blind system identification. Simulation results confirm the validity and usefulness of our proposed algorithm.


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