Roundoff noise in error-feedback state-space filters
- 24 March 2005
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 8, 619-622
- https://doi.org/10.1109/icassp.1983.1172110
Abstract
Error-feedback is an effective technique for reducing multiplier wordlengths in fixed-point recursive digital filter implementations. In this paper, a new roundoff noise formula for error-feedback state-space filters is derived and used in optimizations.Keywords
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