Geodesic
Development and research of linearly parametric discrete model of amplitude-frequency characteristic of mechanical system with linearly viscous friction
Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 115 (2007) no. 2, pp. 179-182 
D. N. Popova; V. E. Zoteev. Development and research of linearly parametric discrete model of amplitude-frequency characteristic of mechanical system with linearly viscous friction. Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 115 (2007) no. 2, pp. 179-182. http://geodesic.mathdoc.fr/item/VSGTU_2007_115_2_a29/
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     author = {D. N. Popova and V. E. Zoteev},
     title = {Development and research of linearly parametric discrete model of amplitude-frequency characteristic of mechanical system with linearly viscous friction},
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Voir la notice de l'article provenant de la source Math-Net.Ru

We consider the construction of linearly parametric discrete model in form of stochastic difference equation which describes the sequence of measurements of amplitude-frequency characteristic of dissipative system with linearly viscous friction. The numerical iterative method of mean-quadratic estimation of coefficients of stochastic difference equation is suggested. The comparative analysis of introduced algorithm of calculation of system dissipative characteristic with known method of resonance curve is made.

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[2] Zoteev V. E. Popova D. N., “Opredelenie dinamicheskikh kharakteristik nelineinykh dissipativnykh sistem na osnove stokhasticheskogo raznostnogo uravneniya”, Vestn. Sam. gos. tekhn. un-ta. Ser.: Fiz.-mat. nauki, 2006, no. 42, 162–168 | DOI

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