Geodesic
Determination of special eigenwaves as a result of amplitude measurements
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 156 (2014) no. 2, pp. 25-33 Cet article a éte moissonné depuis la source Math-Net.Ru

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An analytical formula for a special wave, which allows one to calculate wave energy and vibration frequency (in case of a vibrating wave) and to find out a minimum amount of necessary measurements, is written out depending on the measured amplitude values. The direct and inverse problems are solved.
Keywords: wave equation, wave, direct and inverse problems. 
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A. V. Golovtsov; V. S. Mokeichev. Determination of special eigenwaves as a result of amplitude measurements. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 156 (2014) no. 2, pp. 25-33. http://geodesic.mathdoc.fr/item/UZKU_2014_156_2_a2/

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