An alternative sensitivity for state-space digital filters
作者： Chengshan Xiao
DOI: 10.1109/APCCAS.1994.514553
关键词: Measure (mathematics) 、 Control theory 、 Digital filter 、 State space digital filters 、 Constraint (information theory) 、 Transfer function 、 Mathematics 、 Algorithm 、 Roundoff noise 、 Sensitivity (control systems)
摘要: In this paper, a new sensitivity measure for state-space digital filters is proposed. The modified form of Tavsanoglu and Thiele's measure, but the one has three advantages: (1) it more precise than when realizations filter contain 0 /spl plusmn/1 coefficients; (2) can be used to explain why sparse Schur Hessenberg will give better actual performance corresponding fully parametrized optimal realizations; (3) equal global roundoff noise gain G=tr(QW)+/spl gamma/ obtained by Hwang under dynamic constraint.
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