Go to [Syllabus fall2001 - Next Steps: Moving Forward with Campus IT] [Kostic] [ Abstract]
Syllabus Fall 2001 Conference - Next Steps: Moving Forward with Campus IT
Conference & Expo, Sheraton Ferncroft, Danvers, MA, November 29 - December 2, 2001
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Interactive Simulation: A Virtual Instrument to Unleash Sampling and Aliasing
“What we ‘see’ is not what it is!”
By Dr. M. Kostic, Assoc. Professor
Northern Illinois University
www.kostic.niu.edu
Abstract:
A virtual instrument is developed to simulate measurements while arbitrary changing instrument properties, including the damping, and natural and sampling frequencies. The effect of instrument properties on any measured signal is observed interactively, both qualitatively (visually/graphically) and quantitatively (numerically). Sampled signal distortion, including the magnitude change, time or phase lag, as well as peculiar interference phenomena, like "beat" wave, aliasing, and others, are effectively demonstrated. The virtual instrument may be set for online use over the Internet. Users may change the signal and virtual instrument characteristics and witness first hand, interactively, that “what we ‘see’ is not what it is!”
Author Biography:
M. Kostic is an Associate Professor in the Department of Mechanical Engineering at Northern Illinois University. He received his Ph.D. from the University of Illinois, and then worked in industry for some time. Professor Kostic's teaching and research interests are Thermodynamics, Fluid Mechanics, Heat Transfer and related Fluid/Thermal/Energy sciences; with emphases on new technologies, experimental methods, creativity, design, and computer applications.
Syllabus fall2001 - Next Steps: Moving Forward with Campus IT
