Comparative study of finite wordlength effects in shift and delta operator parameterizations

作者: G. Li , M. Gevers

DOI: 10.1109/9.277251

关键词: ParametrizationOperator (physics)Sensitivity (control systems)Transfer functionApplied mathematicsPole–zero plotDelta operatorControl theoryShift operatorRealization (systems)Mathematics

摘要: The sensitivity of the transfer function to finite-wordlength-effect errors in implementation coefficients both shift operator and delta parameterizations is analyzed. relationships between optimal realization sets are established. It shown that have better performance than those their counterparts when poles systems clustered around z=+1. A numerical example given. >

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