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In this paper, we study error in wave digital filter nonlinearities from an energetic perspective. By ensuring that power dissipation corresponding to this error is non-negative, we respect the basic wave digital filter premise that errors should not correspond to an increase in system energy. In particular, this has implications for the formation of lookup tables and the choice of lookup table interpolation method. We give recommendations for both based on the sign and second derivative of the wave-domain function which is to be tabulated. These recommendations are used to study interpolation of a diode characteristic.
|Title of host publication||Proceedings of the 2015 International Symposium on Signals, Circuits, and Systems (ISSCS)|
|Place of Publication||Iași, Romania|
|Number of pages||4|
|Publication status||Published - 17 Aug 2015|
|Event||IEEE International Symposium on Signals, Circuits, and Systems - Technical University, Iași, Iași, Romania|
Duration: 09 Jul 2015 → 10 Jul 2015
Conference number: 35049
|Conference||IEEE International Symposium on Signals, Circuits, and Systems|
|Period||09/07/2015 → 10/07/2015|
Bibliographical noteinvited paper
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