Roundoff noise in state-space digital filtering: A general analysis
作者： Sheng Hwang
DOI: 10.1109/TASSP.1976.1162802
关键词: Noise shaping 、 Filter (signal processing) 、 Mathematics 、 Gaussian noise 、 Gradient noise 、 Median filter 、 Value noise 、 Effective input noise temperature 、 Control theory 、 Applied mathematics 、 Noise measurement
摘要: A new noise expression is formulated for the class of fixed-point digital filters described by state equations, and two methods its computation are discussed. The effects possible structure transformation state-amplitude scalings then incorporated in this expression, results have been analyzed. In particular, it shown that output amplitudes inversely proportional, an elementary well suited a step-by-step generation low-noise filter.
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