A different look at roundoff noise in digital filters

Patney, R. ; Roy, S. D. (1980) A different look at roundoff noise in digital filters IEEE Transactions on Circuits and Systems, 27 (1). pp. 59-62. ISSN 0098-4094

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Official URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?...

Related URL: http://dx.doi.org/10.1109/TCS.1980.1084709


IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential One of the sources of inaccuracy due to finite word length Implementation of digital filters is the multiplication roundoff noise. In this paper, two new approaches are outlined and illustrated for the calculation of this noise, by using digital all-pass functions as the basis. Both of these methods are shown to have computational advantages over the conventional ones.

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