نتایج جستجو برای: slab method

تعداد نتایج: 1638307  

2011
Joshua M. Hykes Todd J. Urbatsch R. Arthur Forster Richard E. Prael

Since the track-length estimator is the best solo estimator, the comparison in the above Vgure of the combined estimator to the track-length estimator is a realistic evaluation of the combined estimator. Values larger than 1.0 indicate that the combined estimator performs better than the track-length estimator. The dark central line is the mean fom ratio over the slab width, while the shaded ba...

Journal: :Applied optics 1993
S A Prahl M J van Gemert A J Welch

A method is described for finding the optical properties (scattering, absorption, and scattering anisotropy) of a slab of turbid material by using total reflection, unscattered transmission, and total transmission measurements. This method is applicable to homogeneous turbid slabs with any optical thickness,albedo, or phase function. The slab may have a different index of refraction from its su...

2014
YanQun Zhou YeZhi Zhang MeiXin Ye MengSi Zhan

The seismic behavior and plasticity spreading of a neotype column-slab high pier are researched in this paper. Four scale model tests of a web slab with two boundary columns are carried out under cyclic inelastic lateral displacements simulating seismic response. The test results show that the neotype column-slab high pier has strong and stable bearing capacity, good ductility, and energy dissi...

Journal: :Comput. Graph. Forum 2009
Qiang Dai Jiaping Wang Yiming Liu John Snyder Enhua Wu Baining Guo

We present a new model, called the dual-microfacet, for those materials such as paper and plastic formed by a thin, transparent slab lying between two surfaces of spatially varying roughness. Light transmission through the slab is represented by a microfacet-based BTDF which tabulates the microfacet’s normal distribution (NDF) as a function of surface location. Though the material is bounded by...

2011
Farhad Bazargani Dave Hale Gavin Hayes G. Hayes

Earthquakes and seismic surveys provide estimates of depths of subducting slabs, but only at scattered locations. To construct a useful three dimensional model of slab geometry we must interpolate slab depths at uniformly sampled locations on the earth’s surface, and the interpolation method should account for the curvature of that surface. In addition to estimates of depths from earthquake loc...

2004
S. Hrabar Z. Sipus J. Bartolic

This paper reports investigation of negative refraction by measurement of lateral displacement of the beam refracted at the slab made out of ‘backward-wave’ meta-material. The meta-material was based on parallel plate waveguide loaded with double ring resonators. The slab was illuminated by 8 GHz microwave beam at several different angles of incidence. The beam was generated by horn antenna and...

Journal: :Physical review letters 2002
E W Draeger D M Ceperley

A path integral Monte Carlo method was used to calculate the Bose-Einstein condensate fraction at the surface of a helium film at T = 0.77 K, as a function of density. Moving from the center of the slab to the surface, the condensate fraction was found to initially increase with decreasing density to a maximum value of 0.9 before decreasing. Long wavelength density correlations were observed in...

Journal: :Physics in medicine and biology 2005
Vadim A Markel John C Schotland

We describe a new data collection scheme for optical diffusion tomography in which plane wave illumination is combined with multiple projections in the slab imaging geometry. Multiple projection measurements are performed by rotating the slab around the sample. The advantage of the proposed method is that the measured data are more compatible with the dynamic range of most commonly used detecto...

Journal: :Optics express 2014
Anirban Bera Ranjan Kumar Barik Matlabjon Sattorov Ohjoon Kwon Sun-Hong Min In-Keun Baek Seontae Kim Jin-Kyu So Gun-Sik Park

Metallic metamaterials with positive dielectric responses are promising as an alternative to dielectrics for the generation of Cerenkov radiation [J.-K. So et al., Appl. Phys. Lett. 97(15), 151107 (2010)]. We propose here by theoretical analysis a mechanism to couple out Cerenkov radiation from the slab surfaces in the transverse direction. The proposed method based on Brillouin-zone folding is...

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