Monday October 24 4:00 - 4:50pm Covell 216
Dr. Larry Marple Professor School of EECS Oregon State University Time-Frequency Analysis (TFA) without the cross terms blues Despite the acclaimed enhanced time-frequency feature detailing capability of quadratic time-frequency analysis techniques in the technical literature (for example, Wigner distributions), the performance with actual signals is often quite poor due to the inability to suppress the croos-term artifacts inherent in quadratic TFAs. This seminar will present a modification of classic short-time Fourier transform (STFT) to provide the detailing capability of quadratic TFAs without the cross terms that hide extremely weak signal features. The method is based on some high-resolution 2-D linear predictive based signal modeling techniques. Examples with communication and radar will be presented. Biography: Larry Marple received the B.S. and M.E.E. degrees from Rice University (Houston, TX) and the Engr.D. from Stanford University, all in electrical engineering. He is currently a Professor of ECE at Oregon State University, with research interests in sensor signal processing. Prior to joining OSU, he was for 11 years the Chief Scientist of the Orincon Corporation in San Diego, CA. He has 31 years of experience in the development and implementation of digital signal processing algorithms, software, and hardware for temporal, frequency, and spatial domain signals in sonar/underwater acoustics, radar, communications, intelligence, acoustic well logging, and ultrasound imaging. He is author of the text DIGITAL SPECTRAL ANALYSIS (Prentice Hall, 1987). He was elected a Fellow of the IEEE in 1989 for "contributions to the theory and application of spectral analysis in digital signal processing." _______________________________________________ Colloquium mailing list [email protected] https://secure.engr.oregonstate.edu/mailman/listinfo/colloquium
