نتایج جستجو برای: shear wave splitting
تعداد نتایج: 311215 فیلتر نتایج به سال:
Multi-aperture speckle shear interferometry also exhibits sensitivity to the in-plane displacement component. The interferogram obtained even at normal illumination contains fringes due to the combined contributions of slope, strain and in-plane components. The fringe pattern, therefore, changes when the shear element is placed at different aperture positions for the same experimental condition...
A Heegaard splitting of a closed orientable 3-manifold M is a decomposition of M into two handlebodies along a closed surface S. The genus of S is the genus of the Heegaard splitting. The Heegaard genus of M , which we denote by g(M), is the minimal genus over all Heegaard splittings of M . A Heegaard splitting of genus g naturally gives a balanced presentation of the fundamental group π1(M): t...
(2) Richardson, M. J. Proc. R. SOC. London, Ser. A 1964,298,50. (3) Kumaki, J. Macromolecules 1986,19, 2258. (4) Kumaki, J. Macromolecules 1988,21, 749. (5) Jachowicz, J.; Morawetz, H. Macromolecules 1982,15,828. (6) Shiah, T. Y.-J.; Morawetz, H. Macromolecules 1984, 17, 792. 5, 111. (7) Chang, L. P.; Morawetz, H. Macromolecules 1987,20, 428. (8) Liu, C.-Y.; Morawetz, H. Macromolecules 1988, 21...
This work reports room temperature Davydov splitting in triplet transitions Tn ← T1 of tetracene single crystals. This was observed through femtosecond transient absorption spectroscopy with polarized ‖ b and ⊥ b probing on the (ab) face of the 300 nm thick crystal. A Davydov splitting of 0.04 eV (286 cm−1) was obtained on an excited state absorption signal ascribed to triplet excitons in Birec...
In 1], the concept of pseudo-symplecticness was introduced in order to construct explicit Runge-Kutta methods which mimic symplectic ones. Of particular interest are methods of order (p; 2p),-i.e. of order p and pseudo-symplecticness order 2p-, for which the growth of the global error remains linear. The aim of this note is to show the existence of methods of orders (4; 8) and (5; 10) with a mi...
Shear-wave splitting (SWS) analyses are essential in understanding the structure and dynamics of the Earth’s deep interior. While splitting measurements have excellent horizontal resolution relative to other anisotropy-measuring techniques, their vertical resolution is low due to the steep incidence angle of the seismic phases used by the analyses. Here, using synthetic and real data, we presen...
Measurements of the ZZ production cross sections in proton–proton collisions at center-of-mass energies of 7 and 8 TeV are presented. Candidate events for the lep-tonic decay mode ZZ → 2l2ν, where l denotes an electron or a muon, are reconstructed and selected from data corresponding to an integrated luminosity of 5.1 (19.6) fb −1 at 7 (8) TeV collected with the CMS experiment. The measured cro...
A time domain method is presented for analyzing simultaneous measurements of pressure and the horizontal components of velocity obtained beneath irregular multidirectional wave fields. This new method differs from the usual linear directional analyses applied to PUV data in two important aspects. First, the essential nonlinearity of the measured waves is not sacrificed to achieve a solution. Th...
(1) Norwegian Meteorological Institute, P.O.Box. 43, N-0313 Blindern, Norway, Email: [email protected], [email protected] (2) Canadian Ice Service, 373 Sussex Drive, Block E. Ottawa, ON, Canada, Email: [email protected] (3) British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, United Kingdom, Email: [email protected] (4) Laboratoire d'Oceanographie Spatiale, IFREMER, BP 70...
Neighbourhood Effects Research at a Crossroads: Ten Challenges for Future Research Neighbourhood effects research is at a crossroads since current theoretical and empirical approaches do not seem to be moving the debate forward. In this paper, we present a set of ten challenges as a basis for a new research agenda which will give new direction to the neighbourhood effects debate. The ten challe...
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