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  • 标题:Identification of FIR Systems with Quantized Inputs and Observations *
  • 本地全文:下载
  • 作者:Jin Guo ; Le Yi Wang ; George Yin
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2015
  • 卷号:48
  • 期号:28
  • 页码:674-679
  • DOI:10.1016/j.ifacol.2015.12.207
  • 语种:English
  • 出版社:Elsevier
  • 摘要:AbstractThis paper introduces identification algorithms for finite impulse response systems under quantized output observations and general quantized inputs. While asymptotically efficient algorithms for quantized identification under periodic inputs are available, their counterpart under general inputs has encountered technical difficulties and evaded satisfactory resolutions. Under quantized inputs, this paper resolves this issue with constructive solutions. A two-step algorithm is developed, which demonstrates desired convergence properties including strong convergence, mean-square convergence, convergence rates, asymptotic normality, and asymptotical efficiency in terms of the Cramér-Rao lower bound. Some essential conditions on input excitation are derived that ensure identifiability and convergence. It is shown that by a suitable selection of the algorithm’s weighting matrix, the estimates become asymptotically efficient. The strong and mean-square convergence rates are explicitly obtained. Optimal input design is discussed. Numerical examples are included to illustrate the main results of this paper
  • 关键词:KeywordsSystem identificationquantizationnon-periodic inputasymptotic efficiencyinput design
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