نتایج جستجو برای: facet reflectivity
تعداد نتایج: 15721 فیلتر نتایج به سال:
Multiparameter radar measurements of rainfall, namely, reflectivity factor ZH , differential reflectivity ZDR , and specific differential phase KDP lie in a constrained threedimensional (3-D) space and therefore measurement of ZH , ZDR , or KDP should be consistent with the other two. This selfconsistency relationship between ZH , ZDR , and KDP is valid when the radar resolution volume is homog...
Summary White reflectivity is not a fundamental assumption in the convolutional models. However the deconvolution algorithms should be modified slightly to honour color in the reflectivity series. This color correction is just possible when enough well-log information is available to build a mathematical model for the regional reflectivity. A method for correcting reflectivity color effects in ...
We present an effective method to synthesize 15 nm magnetite nanocrystals with the morphology of square and circular nanoplates, which expose (001) facet and (111) facet, respectively. The magnetic property and electrochemical behavior towards As(III) exhibit strong facet-dependent characteristics. Theoretical calculations confirm the facet-dependent characteristics and provide the correspondin...
We have studied fracture-dislocation of the fifth lumbar vertebra in seven patients and reviewed 50 previously reported cases. Based on this information, we have classified the injury into five types: type 1, unilateral lumbosacral facet-dislocation with or without facet fracture; type 2, bilateral lumbosacral facet-dislocation with or without facet fracture; type 3, unilateral lumbosacral face...
We explored the validity of the Psychopathology Five (PSY-5) facet scales of the adolescent version of the Minnesota Multiphasic Personality Inventory (MMPI-A; Butcher et al., 1992) in an adolescent inpatient psychiatric sample (N = 662) through a series of correlational analyses with self-report measures, therapist ratings, and chart review variables. Consistent with previous research with PSY...
In Friedmann, Hansen, and Zwick (2011) we claimed that the expected number of pivoting steps performed by the Random-Facet algorithm of Kalai and of Matoušek, Sharir, and Welzl is equal to the expected number of pivoting steps performed by Random-Facet∗, a variant of Random-Facet that bases its random decisions on one random permutation. We then obtained a lower bound on the expected number of ...
One prevailing assumption in reflection seismology is that the observed trace can be described as a convolution of a source wavelet with the Earth’s reflectivity plus some noise. In a conventional deconvolution approach one thus estimates a linear deconvolution filter to retrieve the reflectivity series from the observed data. This amounts to taking linear combinations of noisy observations and...
0039-6028/$ see front matter 2008 Elsevier B.V. A doi:10.1016/j.susc.2008.05.009 * Corresponding author. Present address: IPRT Department of Energy, 307D Wilhelm Hall, Ames, IA E-mail address: [email protected] (Y. Han) We obtain important energy parameters for understanding growth kinetics of a faceted Pb mesa. Specifically, extensive calculations of diffusion barriers are performed for a...
In this paper, we present an Yb-doped Y2O3 waveguide laser fabricated by pulsed laser deposition (PLD) that is Q-switched using a mono-layer graphene saturable absorber. 140 ns pulses at a repetition rate of 1.21 MHz and pulse energy of 14 nJ are achieved at an absorbed pump power of 528 mW. Introduction: Pulsed lasers have a range of applications in areas such as medicine, material processing,...
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