Browsing by Author "Schwarze, Herward"
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A theoretical model for doppler spread of backscattered sound from a composite roughness sea surface
Schwarze, Herward (NATO. SACLANTCEN, 1975/10)For calculating the Doppler spread of acoustical reverberation from the sea surface, good results are achieved by applying a composite-roughness model. The small wavelets primarily responsible for the backscattering are ... -
Model for the frequency spread of backscattered underwater sound based on the facet model of the rough sea surface
Schwarze, Herward (NATO. SACLANTCEN, 1978/11)A theoretical model for the doppler spread of backscattered acoustic waves from the rough sea surface is described on the basis of the decomposition of the continuous sea-surface spectrum that leads to the concept of facets. ...