نتایج جستجو برای: prestack time migration pstm

تعداد نتایج: 2013327  

2001
Francois Audebert Li Teng

Migration velocity analysis includes both depth-focusing analysis and residual curvature analysis of coherency panels. In either method, it is widely used for 2-D velocity analysis in regions of complex geological structures. Unfortunately, since complex structures tend to be 3-D structures, 3-D prestack depth migration is desirable. The most commonly proposed candidate is kinematic Kirchhoff m...

2005
Christiaan C. Stolk Maarten V. de Hoop William W. Symes

In contrast to prestack migration methods based on data binning, common image gathers produced by shot-geophone migration exhibit the appropriate semblance property in either offset domain (focussing at zero offset) or angle domain (focussing at zero slope), when the migration velocity is kinematically correct and when events to be migrated arrive in the data along non-turning rays. The latter ...

Journal: :International Journal of Geosciences 2016

2017
Dana Arthur Bernard Grela Tammie Spaulding

Nonword repetition (NWR) tasks have become popular in recent years as measures of phonological short term memory (PSTM) in research settings, and as potential markers of language impairment in clinical settings. This has increased interest in the subskills that potentially NWR performance. The current study investigated the influence of PSTM, vocabulary skills, articulatory output skills, liter...

2011
Aviah Gvion Naama Friedmann

Background: Within cognitive neuropsychological models, conduction aphasia has been conceptualized as a phonological buffer deficit. It may affect the output buffer, the input buffer, or both. The phonological output buffer is a short-term storage, responsible for the short-term maintenance of phonological units until their articulation, as well as for phonological and morphological composition...

Journal: :Trends in cognitive sciences 2006
Charlotte Jacquemot Sophie K Scott

Traditionally, models of speech comprehension and production do not depend on concepts and processes from the phonological short-term memory (pSTM) literature. Likewise, in working memory research, pSTM is considered to be a language-independent system that facilitates language acquisition rather than speech processing per se. We discuss couplings between pSTM, speech perception and speech prod...

2011
J. Jose H. L. Offerhaus

We report the surface plasmon polariton interference, generated via a ‘buried’ gold grating, and imaged using a phase-sensitive Photon Scanning Tunneling Microscope (PSTM). The phase-resolved PSTM measurement unravels the complex surface plasmon polariton interference fields at the gold-air interface.

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