A unified study on the roundoff noise in 2-D state space digital filters

A unified study on the roundoff noise in 2-D state space digital filters
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二维状态空间数字滤波器舍入噪声的统一研究

DOI:
10.1109/icassp.1986.1168957
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发表时间:
1986
期刊:
ICASSP '86. IEEE International Conference on Acoustics, Speech, and Signal Processing
影响因子:
--
通讯作者:
T. Higuchi
T. Higuchi
中科院分区:
--
文献类型:
--
作者:
Tao Lin;M. Kawamata;T. Higuchi

文献摘要

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本文研究了二维状态空间数字滤波器中的循环噪声和标度问题。导出了二维情况下的噪声矩阵和协方差矩阵。它们可以用无穷和或二重积分表示。本文给出了一种最小循环噪声二维状态空间数字滤波器的综合公式。最后给出了一个数值例子来说明分析和综合的方法。
This paper studies the roundoff noise and the scaling in 2-D state space digital filters. The noise matrix and the covariance matirx in the 2-D case are derived. They are expressed with infinite sum or double integral. A formulation is given to synthesize minimum roundoff noise 2-D state space digital filters. A numerical example is given to show the methods of analysis and synthesis.