- inverse spectral problem
- обратная спектральная задача
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
Inverse problem — An inverse problem is a general framework that is used to convert observed measurements into information about a physical object or system that we are interested in. For example, if we have measurements of the Earth s gravity field, then we might … Wikipedia
Inverse scattering transform — In mathematics, the inverse scattering transform is a method for solving some non linear partial differential equations. It is one of the most important developments in mathematical physics in the past 40 years. The method is a non linear… … Wikipedia
Spectral method — Spectral methods are a class of techniques used in applied mathematics and scientific computing to numerically solve certain Dynamical Systems, often involving the use of the Fast Fourier Transform. Where applicable, spectral methods have… … Wikipedia
Spectral theory of ordinary differential equations — In mathematics, the spectral theory of ordinary differential equations is concerned with the determination of the spectrum and eigenfunction expansion associated with a linear ordinary differential equation. In his dissertation Hermann Weyl… … Wikipedia
Least-squares spectral analysis — (LSSA) is a method of estimating a frequency spectrum, based on a least squares fit of sinusoids to data samples, similar to Fourier analysis. [cite book | title = Variable Stars As Essential Astrophysical Tools | author = Cafer Ibanoglu |… … Wikipedia
Near-far problem — The near far problem or hearability problem is a situation that is common in wireless communication systems, in particular, CDMA. In some signal jamming techniques, the near far problem is exploited to disrupt communications. Contents 1 Technical … Wikipedia
Camassa–Holm equation — In fluid dynamics, the Camassa–Holm equation is the integrable, dimensionless and non linear partial differential equation:u t + 2kappa u x u {xxt} + 3 u u x = 2 u x u {xx} + u u {xxx}. ,The equation was introduced by Camassa and HolmCamassa Holm … Wikipedia
Riemann-Hilbert — For the original problem of Hilbert concerning the existence of linear differential equations having a given monodromy group see Hilbert s twenty first problem. In mathematics, Riemann Hilbert problems are a class of problems that arise, inter… … Wikipedia
Developpement en reflexions multiples de Balian-Bloch — Développement en réflexions multiples de Balian Bloch En physique théorique, le développement en réflexions multiples de Balian Bloch est un développement asymptotique des fonctions de Green de l équation de Helmholtz pour des ondes confinées… … Wikipédia en Français
Développement En Réflexions Multiples De Balian-Bloch — En physique théorique, le développement en réflexions multiples de Balian Bloch est un développement asymptotique des fonctions de Green de l équation de Helmholtz pour des ondes confinées dans une cavité (domaine borné de l espace). Il permet d… … Wikipédia en Français
Développement en réflexions multiples de Balian-Bloch — En physique théorique, le développement en réflexions multiples de Balian Bloch est un développement asymptotique des fonctions de Green de l équation de Helmholtz pour des ondes confinées dans une cavité (domaine borné de l espace). Il permet d… … Wikipédia en Français