Dan Censor

Research output: Contribution to conferencePaperpeer-review


It is pointed out that these heretofore neglected phenomena might be of practical importance for cases where the velocities are close to the wave velocity, e. g. , acoustics or cases where the distances between the scatterer and source are small. Although the simple Doppler effect becomes ambiguous for short pulse scattering, the velocity effects are present, manifesting themselves in virtual migration of poles and virtual creation of poles of higher multiplicity. These ideas are explored by using the spectral approach; i. e. , the wealth of studies available on Doppler effects and harmonic scattering is exploited. Through complex integration, the conclusions pertinent to pulse scattering can be drawn. Since this is a theoretical study, focusing mainly on electromagnetic waves, the exact formalism is used. Special attention is given to the first order velocity effects.

Original languageEnglish
StatePublished - 1 Dec 1985

ASJC Scopus subject areas

  • General Engineering


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