نتایج جستجو برای: bottom multiples
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In this paper I present an improved least-squares joint imaging algorithm for primary reflections and pegleg multiples (LSJIMP) which utilizes improved amplitude modeling and imaging operators presented in two companion papers in this report (Brown, 2003b,a). This algorithm is applied to the entire Mississippi Canyon 2-D multiples test dataset and demonstrates a good capability to separate pegl...
We examine the valuation performance of a comprehensive list of value drivers and find that multiples derived from forward earnings explain stock prices remarkably well: pricing errors are within 15 percent of stock prices for about half our sample. In terms of relative performance, the following general rankings are observed consistently each year: forward earnings measures are followed by his...
OBJECTIVES To examine the risk of mortality and major morbidities in extremely preterm multiple gestation infants compared with singletons over time. METHODS This is a retrospective study of 15,402 infants born ≤27 weeks' gestation, admitted to NICUs in the Australian and New Zealand Neonatal Network from 1995 to 2009. Mortality and major morbidities were compared between singletons and multi...
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