Single-frequency approximation of the coupling ray theory

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F12%3A10124595" target="_blank" >RIV/00216208:11320/12:10124595 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Single-frequency approximation of the coupling ray theory

Popis výsledku v původním jazyce

The coupling-ray-theory Green tensor is frequency dependent, and is usually calculated for many frequencies. This frequency dependence represents no problem for calculating the Green tensor, but may represent a great problem when storing the Green tensorat the nodes of dense grids, typical for applications such as seismic migrations. This paper is devoted to the approximation of the coupling-ray-theory Green tensor, which eliminates this frequency dependence. In the vicinity of a given prevailing frequency, we approximate the frequency-domain coupling-ray-theory Green tensor by two Green tensors corresponding to two S waves described by their travel times and amplitudes. We refer to these travel times and amplitudes as the coupling-ray-theory travel times and the coupling-ray-theory amplitudes. This "single-frequency approximation" of the coupling ray theory allows us to process the coupling-ray-theory wavefield in the same way as the anisotropic-ray-theory wavefield. This simplificat

Název v anglickém jazyce

Single-frequency approximation of the coupling ray theory

Popis výsledku anglicky

The coupling-ray-theory Green tensor is frequency dependent, and is usually calculated for many frequencies. This frequency dependence represents no problem for calculating the Green tensor, but may represent a great problem when storing the Green tensorat the nodes of dense grids, typical for applications such as seismic migrations. This paper is devoted to the approximation of the coupling-ray-theory Green tensor, which eliminates this frequency dependence. In the vicinity of a given prevailing frequency, we approximate the frequency-domain coupling-ray-theory Green tensor by two Green tensors corresponding to two S waves described by their travel times and amplitudes. We refer to these travel times and amplitudes as the coupling-ray-theory travel times and the coupling-ray-theory amplitudes. This "single-frequency approximation" of the coupling ray theory allows us to process the coupling-ray-theory wavefield in the same way as the anisotropic-ray-theory wavefield. This simplificat

Druh

O - Ostatní výsledky

CEP obor

DC - Seismologie, vulkanologie a struktura Země

OECD FORD obor

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Projekt

<a href="/cs/project/GAP210%2F10%2F0736" target="_blank" >GAP210/10/0736: Nové trendy v paprskových metodách - část 4</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů