Title :
Bottom reflection inversion in shallow-water using the WKB modal condition
Author :
Shang, E.C. ; Wang, Y. ; Sun, Shaobo
Author_Institution :
Cooperative Inst. for Res. in Environ. Sci., Colorado Univ., Boulder, CO, USA
Abstract :
The authors propose an efficient scheme for extracting the complex bottom reflection coefficient (phase and amplitude) in a shallow-water waveguide by using the WKB modal condition. The input data are the measured modal wave number and the modal attenuation. This scheme is efficient because there are no replica calculations as in the conventional matched-field processing (MFP). Numerical simulations illustrate that the proposed scheme works well in different scenarios of shallow-water waveguides
Keywords :
acoustic waveguides; oceanography; underwater sound; WKB modal condition; acoustic wave propagation; acoustic waveguide; amplitude; bottom reflection inversion; complex bottom reflection coefficient; efficient scheme; model; numerical simulation; ocean; phase; sea coast; shallow-water; shallow-water waveguide; theory; underwater sound; Acoustic measurements; Acoustic reflection; Acoustic waveguides; Attenuation; Data mining; Inverse problems; Optical reflection; Sea measurements; Sun; Water;
Conference_Titel :
OCEANS '96. MTS/IEEE. Prospects for the 21st Century. Conference Proceedings
Conference_Location :
Fort Lauderdale, FL
Print_ISBN :
0-7803-3519-8
DOI :
10.1109/OCEANS.1996.572439
