IEEE Signal Processing Society Distinguished Lecture - Equalization and Adaptation of Nonlinear Systems - 13 Oct 2014



IEEE Signal Processing Society Distinguished Lecture - Equalization
and Adaptation of Nonlinear Systems

Speaker: Prof. V. John Mathews, Department of Electrical and Computer
Engineering, University of Utah

When: 11:00am, 13 October 2014

Where: Room CO350, Cotton Building, Victoria University of Wellington,
Kelburn Pde, Wellington

Topic: This talk provides a tutorial introduction to nonlinear signal
processing with emphasis on equalization of nonlinear distortions in
practical problems and adaptation of nonlinear system models. In the
first part of the talk, we will discuss efficient approaches to
inversion and equalization of a broad class of nonlinear systems. We
will start by looking at exact inverses of nonlinear systems, but
stable implementations of such systems may not exist. We will then
describe approximate equalizer architectures that are systolic and
operate in a stable manner. Examples of applying the equalizers in
audio applications will also be shown. The second part of the talk
will overview adaptive algorithms for identifying linear-in-the
parameters nonlinear systems. Among the approaches discussed will be a
method whose computational complexity involves a single multiplication
and two additions per input sample, regardless of the complexity of
the model.

Brief Biography: V. John Mathews is a Professor of Electrical and
Computer Engineering at the University of Utah. His research interests
are in nonlinear and adaptive signal processing and application of
signal processing techniques in audio and communication systems,
biomedical engineering, and structural health management. He chaired
the department of Electrical and Computer Engineering at the
University of Utah during 1999-2003. Dr. Mathews is a Fellow of
IEEE. He served as the Vice President (Finance) of the IEEE Signal
Processing Society during 2003-2005 and the Vice President
(Conferences) of the Society during 2009-2011. He is a past associate
editor of the IEEE Transactions on Signal Processing, and the IEEE
Signal Processing Letters and the IEEE Journal of Selected Topics in
Signal Processing and currently serves on the editorial board of the
IEEE Signal Processing Magazine. He was a recipient of the 2008-09
Distinguished Alumnus Award from the National Institute of Technology,
Tiruchirappalli, India, and the Utah Engineers Council's Engineer of
the Year Award in 2011. He serves now as a Distinguished Lecturer of
the IEEE Signal Processing Society for 2013 and 2014.