P312 Z-99 Characterization of thin beds through joint time-frequency analysis using the S transform Abstract 1 MARCÍLIO C. MATOS 1 2 AND PAULO L.M. OSÓRIO 2 1 Military Institute of Engineering DEE Pr. Gen. Tibúrcio 80 22270-290 - Rio de Janeiro-BRAZIL 2 Pontifícia Universidade Católica – Rio de Janeiro DEE A new alternative method to characterize thin beds is presented here. We propose to use the ridges of the joint time-frequency analysis as a new way to detect in each trace the instantaneous frequencies and their associated amplitudes which were applied as a tool to detect thin beds. The technique


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