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Broadband Interference Patterns in Shallow Water with Constant Bottom Slope  

오철민 (한양대학교 지구해양과학과)
오선택 (한양대학교 지구해양과학과)
나정열 (한양대학교 지구해양과학과)
이성욱 (한양대학교 지구해양과학과)
Publication Information
The Journal of the Acoustical Society of Korea / v.21, no.5, 2002 , pp. 485-493 More about this Journal
Abstract
Broadband interference patterns are studied using ship as an acoustic source in shallow waters with varying bathymetry. Waveguide invariant index (β) indicating the pattern of constructive (or destructive) interference in range-frequency domain is derived in a waveguide with constant bottom slope based on adiabatic mode theory. Using this invariant, changes of the interference patterns resulting from the variation of bottom bathymetry are analyzed. Results of the analytic interpretation is compared with those from sea experiments and numerical simulations.
Keywords
Shallow water; Effect of depth variation; Broadband interference pattern; Waveguide invariant;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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