음향파 공명산란의 새로운 해석A new method for extracting resonance information in acoustic wave resonance scattering

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A new method is proposed for the isolation of resonances from scattered waves for acoustic wave resonance scattering problems. The resonance scattering function consisting purely of resonance information is defined. Acoustic wave scattering from a variety of submerged bodies is numerically analyzed. The classical resonance scattering theory (RST) and the new method compute identical magnitude of the resonance from each scattered partial wave, however, the phases are significantly different. The exact .pi.-radians phase shifts through the resonance and anti-resonance show that the proposed method properly extracts the vibrational resonance information of the scatterer. Due to the difference in the phase of each, partial wave, the new method and RST generate different total resonance spectra.
Publisher
한국소음진동공학회
Issue Date
1998-05-21
Language
KOR
Citation

한국소음진동공학회 1998년도 춘계학술대회 , pp.504 - 509

URI
http://hdl.handle.net/10203/124925
Appears in Collection
ME-Conference Papers(학술회의논문)
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