Volterra series truncation and kernel estimation of nonlinear systems in the frequency domain
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- 作者：B. Zhanga ; b ; bzhang347@gmail.com" class="auth_mail" title="E-mail the corresponding author ; S.A. Billingsa ; s.billings@sheffield.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Orthogonal least squares ; Volterra series ; Generalised frequency response function ; Nonlinear systems
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2017
- 出版时间：1 February 2017
- 年：2017
- 卷：84
- 期：part_PA
- 页码：39-57
- 全文大小：941 K
文摘
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A novel complex-valued orthogonal least squares algorithm is developed.
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The algorithm truncates Volterra series and estimates the kernel at one time.
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The algorithm can also indicate the divergence of Volterra series.
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Comparing the simulation results with the analytical ones validates the algorithm.