The processing of Chirp data is limited by the usual recording signal envelope, which enhances its immediate visibility but prevents applying methods based on wave equations. This normally not case for Boomer data. However, both systems are monochannel instruments, cannot estimate properly propagation velocity in rocks. In this paper, we present two theorems: first one links or source spectrum ...

The lattice Boltzmann method is used to model a horizontal axis tidal turbine. Because turbines generally operate in highly turbulent flows, synthetic eddy implemented generate realistic inflow condition. approach makes use of the open-source code Palabos. Large simulation employed. A coupling between an immersed boundary and wall realized Calculations are performed at two different turbulence ...

The results of numerical simulation of mass transfer in semidetached non-magnetic binaries are presented. We investigate the morphology of gaseous flows on the base of three-dimensional hydrodynamic calculations in interacting binaries of different types (cataclysmic variables and low-mass X-ray binaries). We find that taking into account of a circumbinary envelope leads to significant changes ...

For inverse synthetic aperture radar (ISAR) imaging of rapidly spinning targets, the large migration through range cells (MTRC) results in weak coherence between adjacent echoes, which makes conventional envelope alignment method unable to be applied. By analyzing correlation a translational motion compensation (TMC) for targets is proposed. Firstly, rotation period target estimated by incohere...

In this paper, we give a fundamental convexity preserving for spectral functions. Indeed, we investigate infimal convolution, Moreau envelope and proximal average for convex spectral functions, and show that this properties are inherited from the properties of its corresponding convex function. This results have many applications in Applied Mathematics such as semi-definite programmings and eng...

Although the nuclear envelope is known primarily for its role as a boundary between the nucleus and cytoplasm in eukaryotes, it plays a vital and dynamic role in many cellular processes. Studies of nuclear structure have revealed tissue-specific changes in nuclear envelope architecture, suggesting that its three-dimensional structure contributes to its functionality. Despite the importance of t...

Observations of the high-mass star forming region AFGL 2591 reveal a large abundance of CO, a molecule known to be enhanced by far UV (FUV) and X-ray irradiation. In chemical models assuming a spherically symmetric envelope, the volume of gas irradiated by protostellar FUV radiation is very small due to the high extinction by dust. The abundance of CO is thus underpredicted by orders of magnitu...