Session N: NDE - Signal Processing

Chair: J. Saniie, Illinois Inst. of Tech.
Chula Vista, 8:00 a.m. - 9:30 a.m., Tuesday, November 5 ,1996, Hyatt Regency Hotel.

8:00 a.m. NDE N-1 "OPTIMISATION OF TIME REVERSAL PROCESSING IN TITANIUM INSPECTIONS
Veronique Miette, Laurent Sandrin, Francois Wu and Mathias Fink Laboratoire Ondes et Acoustique, ESPCI, Universite Paris VII, URA CNRS 1503 10 rue Vauquelin, 75005 Paris, France
8:15 a.m. NSP N-2 MEASUREMENT OF ROUGH SURFACE SCATTERING USING TIME DELAY SPECTROMETRY
P.C. PEDERSEN and A. GREBE, Dept. of Electrical and Computer Eng., Worcester Polytechnic Institute, Worcester, MA 01609
8:30 a.m. NSP N-3 A NEW MORPHOLOGICAL ALGORITHM FOR FUSING ULTRASONIC AND EDDY CURRENT IMAGES
Y-W. SONG AND S. S. UDPA, IOWA STATE UNIVERSITY, AMES, IA 50011
8:45 a.m. NMC N-4 Model Based Defect Recognition by 2-Dimensional Ultrasonic Arrays with Few Transducers
B. Menz, Institut fur MeB und Regelugstechnik, Univ. Karlsruhe, Karlsruhe, Germany
9:00 a.m. NDE N-5 Time Recompression of Dispersive Lamb Waves Using a Time Reversed Mirror - Application to Flaw Detection in Thin Plates
R.K. Ing and M. Fink, Univ. Paris VII, ESPCI, Paris, France
9:15 a.m. NST N-6 TRANSIT TIME DETERMINATION IN A MEASUREMENT SYSTEM
M. Vestrheim and S. Vervik, Dept. of Physics, University of Bergen, N-5007 Bergen, Norway



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