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Wave equation

WAVE EQUATION DEPTH MIGRATION USING COMPLEX PADÉ APPROXIMATION

WAVE EQUATION DEPTH MIGRATION USING COMPLEX PADÉ APPROXIMATION

... Wave equation migration methods perform better imaging than ray-based migration methods in media with strong lateral velocity ...of wave equation methods are based on solving one-way acoustic ...

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Nonlinear Whitham-Broer-Kaup Wave Equation in an Analytical Solution

Nonlinear Whitham-Broer-Kaup Wave Equation in an Analytical Solution

... long wave equation that describe shallow water wave with dispersive [11] ...traveling wave solution of the system (1) using the variational iteration ...

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SEISMIC IMAGING OF HIGH SLOPE STRUCTURES USING ONE-WAY WAVE EQUATION MIGRATION TECHNIQUES

SEISMIC IMAGING OF HIGH SLOPE STRUCTURES USING ONE-WAY WAVE EQUATION MIGRATION TECHNIQUES

... one-way wave equation, ignoring the downgoing wavefield, which prevents the imaging of high slope structures, whose reflections have trajecto- ries with reflection on more than one ...

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Wave-equation based traveltime seismic tomography – Part 1: Method

Wave-equation based traveltime seismic tomography – Part 1: Method

... the promising future of next generation seismic tomographic models based on full nu- merical simulations. However, the expensive computation cost associated with adjoint- type of wave-equation-based ...

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Exponential decay for Kirchhoff wave equation with nonlocal condition in a noncylindrical domain

Exponential decay for Kirchhoff wave equation with nonlocal condition in a noncylindrical domain

... T h e method we use to prove the result of existence and uniqueness is based on transforming our problem into another initial boundary value problem defined over [r] ...

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Exact boundary control for the wave equation in a polyhedral time-dependent domain

Exact boundary control for the wave equation in a polyhedral time-dependent domain

... Littman, Near optimal time boundary controllability for a class of hyperbolic equations, In Lecture Notes in Control and Information Sciences, pp... Miranda, ContrSlabilit~ e[r] ...

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Global solutions to the initial-boundary value problem for the quasilinear viscoelastic equation with a derivative nonlinearity

Global solutions to the initial-boundary value problem for the quasilinear viscoelastic equation with a derivative nonlinearity

... the exponential decay of the energy E(t) (cf. [4]). We can expect such a result on global existence of smooth solutions for the quasilinear wave equation with much more weaker dissipation (cf. [8,10]). But, ...

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Reverse time migration in tilted transversely isotropic media

Reverse time migration in tilted transversely isotropic media

... ABSTRACT. Reverse time migration (RTM) is one of the most powerful methods used to generate images of the subsurface. The RTM was proposed in the early 1980s, but only recently it has been routinely used in exploratory ...

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INTERNAL EXACT OBSERVABILITY OF A PERTURBED EULER-BERNOULLI EQUATION

INTERNAL EXACT OBSERVABILITY OF A PERTURBED EULER-BERNOULLI EQUATION

... plate equation, model- ing the vibrations of elastic plates, is a subject which has been widely tackled in the ...the wave equation is that the observability time is arbitrarily small, as it has been ...

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Boussinesq solitary-wave as a multiple-time solution of the Korteweg-de Vries hierarchy

Boussinesq solitary-wave as a multiple-time solution of the Korteweg-de Vries hierarchy

... long-wave equation since its long-wave limit with a further restriction to waves moving in only one direction yields, at the lowest order, the Korteweg–de Vries ~KdV! ...

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Optimal control of infinite dimensional bilinear systems: application to the heat and wave equations

Optimal control of infinite dimensional bilinear systems: application to the heat and wave equations

... In this application section, after a general discussion for the case of diagonalizable operators, where the semigroup properties can be related to the structure of the spec- trum, we consider two important application ...

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Braz. J. Phys.  vol.36 número3B

Braz. J. Phys. vol.36 número3B

... one-dimensional wave equation which describes the low-lying donor levels corresponding to the slow electron motion along the ring, by using the adiabatic ap- ...this equation has been obtained by ...

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Rev. bras. meteorol.  vol.28 número4

Rev. bras. meteorol. vol.28 número4

... gravity wave equation. This equation is solved directly without linearization by the Adomian decomposition method (Adomian, 1990, 1994a, ...the equation taking into account only the variation ...

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Braz. J. Phys.  vol.34 número1A

Braz. J. Phys. vol.34 número1A

... operator equation (1) needs to be regularized and renormalized in order to give physical results, such de- velopment has been performed in ...the equation for the bound state mass, which is i) invariant ...

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SeaBuoySoft – an On-line Automated Windows based Ocean Wave height Data Acquisition and Analysis System for Coastal Field’s Data Collection

SeaBuoySoft – an On-line Automated Windows based Ocean Wave height Data Acquisition and Analysis System for Coastal Field’s Data Collection

... a wave rider buoy, the digital waverider receiver is turned ...the wave period ranges from 3 seconds to 30 seconds (very long waves) ...The wave height signal as acquired is displayed on the monitor ...

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An Exact Mapping from Navier-Stokes Equation to Schrodinger Equation via Riccati EquationAn Exact Mapping from Navier-Stokes Equation to Schrodinger Equation via Riccati Equation

An Exact Mapping from Navier-Stokes Equation to Schrodinger Equation via Riccati EquationAn Exact Mapping from Navier-Stokes Equation to Schrodinger Equation via Riccati Equation

... Navier-Stokes equation via Riccati ...Stokes equation, in particular via Kravchenko’s [3] and Gib- bon’s route [4, ...Navier-Stokes equation to Schr¨odinger ...

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Effective nonlinear Schrodinger equations for cigar-shaped and disc-shaped Fermi superfluids at unitarity

Effective nonlinear Schrodinger equations for cigar-shaped and disc-shaped Fermi superfluids at unitarity

... Schrödinger equation, describing superfluid Fermi atoms at unitarity (infinite scattering length |a| → ∞), is reduced to an effective 1D form by averaging over the transverse ...effective equation is a 1D ...

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Funnel's Fluctuations in Dyonic Case: Intersecting D1-D3 Branes

Funnel's Fluctuations in Dyonic Case: Intersecting D1-D3 Branes

... Now, let’s find the solution of a single scalar equation (14). 1: Left hand curve represents the overall fluctuation wave in zero mode and low electric field. Right hand curve shows the [r] ...

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Braz. J. Phys.  vol.29 número3

Braz. J. Phys. vol.29 número3

... quark wave function and the Hartree terms contribute to the constant mass value in the gap equation, compare tadpole diagram of ...gap equation when the fermion propagator has a pole, that is when ...

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2DAM-WAVE : um método de avaliação para o modelo de capacidade wave

2DAM-WAVE : um método de avaliação para o modelo de capacidade wave

... Os resultados de ambas as dimensões do 2DAM-WAVE devem ser armazenadas em um repositório histórico para benchmarking. Os resultados das capacidades das unidades avaliadas, junto com as informações da unidade, ...

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