Design Development and Realization of Quadratic Volterra Filters for Selected Applications

Abstract

newlineMost of the present day signal processing strategies revolve around newlinelinear time invariant systems Though these methods are popular and newlineuseful in many applications their performance degrades when the effects newlineof nonlinear components are dominant Polynomial methods are newlinesought as an alternative in this research work The work aims at modeling newlinepolynomial nonlinear phenomena present in real time systems newlineand signals employed for speech and image processing Volterra power newlineseries that realizes polynomial filters as combinations of quadratic cubic newlineand higher order systems with linear systems is studied The work newlinefocuses on quadratic systems that can model the nonlinear effects in newlinethe generation and processing of speech and image signals with the newlineobjective of achieving better performance parameters than those offered newlineby linear systems and other nonlinear systems Special design newlinemethodologies are employed for designing quadratic filters The computational newlinechallenges arising from the usage of quadratic systems are newlineovercome by special hardware implementation schemes newline