Computer Science – Sound
Scientific paper
Oct 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ge%26ae..19..851g&link_type=abstract
Geomagnetizm i Aeronomiia, vol. 19, Sept.-Oct. 1979, p. 851-858. In Russian.
Computer Science
Sound
3
Acoustic Excitation, Geomagnetism, Gravity Waves, Wave Excitation, Auroras, Energy Transfer, Fourier Transformation, Mass Flow, Solar Eclipses, Sound Waves, Supersonic Speed, Waveguides
Scientific paper
The paper considers the emission in the atmosphere of acoustic gravity waves from horizontally moving sources of mass, energy, and momentum. Equations are obtained for evaluating the amplitudes of perturbations at large distances from the source. It is shown that auroral arcs, moving at supersonic velocity, can be sources of infrasound. Consideration is also given to the problem of the excitation of an ideal acoustic waveguide by a mass source moving inside the waveguide.
Grigor'ev G. I.
Savina Olga N.
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