• Aucun résultat trouvé

[PDF] Top 20 On the Use of Variational Adjoint Approach on Wide-Angle Approximation of Parabolic Equation with the Method of Split-Step Wavelet

Has 10000 "On the Use of Variational Adjoint Approach on Wide-Angle Approximation of Parabolic Equation with the Method of Split-Step Wavelet" found on our website. Below are the top 20 most common "On the Use of Variational Adjoint Approach on Wide-Angle Approximation of Parabolic Equation with the Method of Split-Step Wavelet".

On the Use of Variational Adjoint Approach on Wide-Angle Approximation of Parabolic Equation with the Method of Split-Step Wavelet

On the Use of Variational Adjoint Approach on Wide-Angle Approximation of Parabolic Equation with the Method of Split-Step Wavelet

... validation step for inferring atmosphere from RF data in an effort towards an ‘refractivity from clutter’ (RFC) ...system. The method retrieves the vertical refractive index distribution ... Voir le document complet

3

On the Use of Adjoint Methods for Refractivity Estimation in the Troposphere

On the Use of Adjoint Methods for Refractivity Estimation in the Troposphere

... Historically, the inversion methods which have been used in the RFC community adopt parabolic equation (PE) solved with split-step Fourier (SSF) technique ...lots ... Voir le document complet

6

On the Use of Adjoint Methods for Refractivity Estimation in the Troposphere

On the Use of Adjoint Methods for Refractivity Estimation in the Troposphere

... Historically, the inversion methods which have been used in the RFC community adopt parabolic equation (PE) solved with split-step Fourier (SSF) technique ...lots ... Voir le document complet

6

Optimal control of a parabolic equation with time-dependent state constraints

Optimal control of a parabolic equation with time-dependent state constraints

... to use the alternative formulation of the optimality conditions, introduced in Jacobson, Lele and Speyer [25], rigorously obtained in Maurer [31] and generalized in Bonnans and Hermant [14] to ... Voir le document complet

28

Stochastic representations of derivatives of solutions of one dimensional parabolic variational inequalities with Neumann boundary conditions

Stochastic representations of derivatives of solutions of one dimensional parabolic variational inequalities with Neumann boundary conditions

... explicit the derivative of the flow of the reflected flow (X t,x ) defined in ...derivatives of solutions of semilinear parabolic partial differential equations ... Voir le document complet

51

Error estimates for the gradient discretisation of degenerate parabolic equation of porous medium type

Error estimates for the gradient discretisation of degenerate parabolic equation of porous medium type

... . The paper is organised as follows. Section 2 is introducing the sequence of semi-discrete in time ...problems. The time discretisation relies on the backward Euler scheme and is thus ... Voir le document complet

24

Relative Periodic Solutions of the N-Vortex Problem Via the Variational Method

Relative Periodic Solutions of the N-Vortex Problem Via the Variational Method

... fix the center of vorticity, but the resulting new Hamiltonian might be no longer invariant under ...to the N -vortex ...Lim’s method in [25] has introduced a canonical transformation ... Voir le document complet

22

Charge Conjugation Symmetry in the Finite Basis Approximation of the Dirac Equation

Charge Conjugation Symmetry in the Finite Basis Approximation of the Dirac Equation

... spectrum of the Dirac equation for (a) an electron in an attractive potential φ ( r ) , (c) a positron in the same potential and (b) a free particle, φ ( r ) = ...0. The Dirac ... Voir le document complet

15

On the controllability of some systems of the parabolic kind with a reduced number of controls and of a KdV equation in the vanishing dispersion limit

On the controllability of some systems of the parabolic kind with a reduced number of controls and of a KdV equation in the vanishing dispersion limit

... In the first and main part, we are concerned with the null controllability of several non- linear models from fluid ...number of components. First, in Chapter 2, we obtain the ... Voir le document complet

133

Con: Should we abandon the use of the MDRD equation in favour of the CKD-EPI equation?

Con: Should we abandon the use of the MDRD equation in favour of the CKD-EPI equation?

... between the two equations by weighted average analysis for strata of GFR >60 ...best, the CKD-EPI equation might be considered as an evolution but not a ...improving the systematic ... Voir le document complet

9

On the use of the eXtended Finite Element Method with Quatree/Octree meshes

On the use of the eXtended Finite Element Method with Quatree/Octree meshes

... decomposition of the elements that exceed the prescribed error ...this approach leads to so called ”hanging nodes” if an element and its neigh- bors have not the same ...enforce ... Voir le document complet

39

Optimal filtration for the approximation of boundary controls for the one-dimensional wave equation using finite-difference method

Optimal filtration for the approximation of boundary controls for the one-dimensional wave equation using finite-difference method

... by the study of a similar strategy as in [1], where a finite difference semi-discrete scheme for the approximation of the boundary controls of a 1- D equation ... Voir le document complet

20

On the Korteweg-de Vries long-wave approximation of the Gross-Pitaevskii equation I

On the Korteweg-de Vries long-wave approximation of the Gross-Pitaevskii equation I

... this equation with the boundary condition at infinity |Ψ(x, t)| → 1, as |x| → ...by the formal conservation of the energy (see (2) below), and by the use of ... Voir le document complet

36

A recursive method of approximation of the inverse of genomic relationships matrix

A recursive method of approximation of the inverse of genomic relationships matrix

... evaluations of cows with genotypes have been adjusted since April 2010 to be compatible with evaluations of bulls to improve their accuracy in estimation SNP ...comparable with ... Voir le document complet

4

There is no variational characterization of the cycles in the method of periodic projections

There is no variational characterization of the cycles in the method of periodic projections

... Example with m = 3 sets: the method of periodic projections initialized at x 0 produces the cycle (y 1 , y 2 , y 3 ...understand the properties of its limit cycles and, in ... Voir le document complet

11

Use of the Fourier transform to derive the gravitational lens deflection angle

Use of the Fourier transform to derive the gravitational lens deflection angle

... in the bending of light rays from a background source, under the influence of a foreground mass distribution along the line of sight ...clusters of galaxies, etc.). ... Voir le document complet

5

A Fully Discrete Approximation for Control Problems governed by Parabolic Variational Inequalities

A Fully Discrete Approximation for Control Problems governed by Parabolic Variational Inequalities

... Unité de recherche INRIA Rocquencourt Domaine de Voluceau - Rocquencourt - BP 105 - 78153 Le Chesnay Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois -[r] ... Voir le document complet

27

Optimal filtration for the approximation of boundary controls for the one-dimensional wave equation using a finite-difference method

Optimal filtration for the approximation of boundary controls for the one-dimensional wave equation using a finite-difference method

... by the study of a similar strategy as in [1], where a finite difference semi-discrete scheme for the approximation of the boundary controls of a 1- D equation ... Voir le document complet

19

Approximation of variational problems with a convexity constraint by PDEs of Abreu type

Approximation of variational problems with a convexity constraint by PDEs of Abreu type

... uniqueness of a smooth ...recover the minimizer of the problem from section ...convergence of the second boundary value problem to the initial constrained ... Voir le document complet

16

Evaluation of the Phase Distribution in an Interferogram by the Wavelet Method

Evaluation of the Phase Distribution in an Interferogram by the Wavelet Method

... in the development of science and ...[1,2,3,4]. The resulting fringe pattern, called interferogram, is closely related to phenomenon under inspection and useful information can be ...retrieved. ... Voir le document complet

77

Show all 10000 documents...