Banca de QUALIFICAÇÃO: FRANCISCO WILTON DE FREITAS SILVA
Uma banca de QUALIFICAÇÃO de DOUTORADO foi cadastrada pelo programa.DISCENTE : FRANCISCO WILTON DE FREITAS SILVA
DATA : 01/11/2019
HORA: 09:30
LOCAL: sala de reuniões
TÍTULO:
Using fish lateral line sensing to improve seismic acquisition and processing
PALAVRAS-CHAVES:
Seismic acquuisition, FWI, seismic imaging, lateral line
PÁGINAS: 127
GRANDE ÁREA: Ciências Exatas e da Terra
ÁREA: Geociências
SUBÁREA: Geofísica
ESPECIALIDADE: Geofísica Aplicada
RESUMO:
Bioengineering, which studies the principles and design of biological systems, is a field that has inspired the development of several technologies that are currently in use. In this work, we use concepts from the fish lateral line sensing mechanism and apply them to seismic imaging processing. The lateral line is a sensory system composed of an integrated array of mechanical sensors spanning along the fish body. We compare the array of sensors along body fish with the seismic acquisition, which employs an array of
equally spaced identical mechanical sensors to image the Earth's subsurface. In both situations, the mechanical sensors capture and process mechanical vibrations from the environment to produce useful information. We explore the strategy of using the low-pass and high-pass sensors schema of fish lateral line to improve the seismic technique. We use the full-wave inversion method to compare the conventional acquisition procedure of identical sensors with alternative sets of different sensors, which mimics
the fish lateral line. Our results show that the alternate sensors arrangement surpasses the performance of the conventional acquisition method, using just half of the input information. The results point at an image processing technique that is computationally
more efficient and economical than the usual seismic processing method.
MEMBROS DA BANCA:
Presidente - 1379465 - GILBERTO CORSO
Interno - 004.056.634-04 - LIACIR DOS SANTOS LUCENA - UFRN
Externo à Instituição - PEDRO TIAGO C CARVALHO - UFRN
Externo à Instituição - CARLOS ALEXANDRE N DA COSTA - UFRN