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Analysis of Robust Stability for 2-D Digital Filters
Author(s): 
Pages: 281-285
Year: Issue:  5
Journal: JOURNAL OF LIAONING INSTITUTE OF TECHNOLOGY(NATURAL SCIENCE EDITION)

Keyword:  鲁棒稳定性线性矩阵不等式Lyapunov方法;
Abstract: 针对基于第二类Fornasini-Marchesini(FM)局部状态空间(FMSLSS)模型的2-D数字滤波器鲁棒稳定性问题,在给定系统稳定界的基础上,提出了一种频域逼近的判别方法,该方法不同于以往基于线性矩阵不等式(LMI)方法, 指出了该方法与LMI方法在判别一类不确定2-D数字滤波器系统鲁棒稳定性中的不同之处.最后给出实例,计算出用频域逼近方法得到系统的稳定性裕度下界大于用LMI方法得到的下界.
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