نتایج جستجو برای: dimensional 1d and 2d interpretation

تعداد نتایج: 16938613  

2017
GANG PENG JIANPING ZHAO Dan Crişan

This work introduces a new operator-splitting method for solving the two-dimensional (2D) and three-dimensional (3D) parabolic equations. The aim is to reduce the computational complexity without loss of accuracy. Firstly, we split the 2D and 3D parabolic equations into a sequence of one-dimensional (1D) parabolic equations respectively, then we solve each 1D parabolic equation by using finite ...

2006
David L. C. Chan Ivan Celanovic J. D. Joannopoulos Marin Soljačić

Through detailed numerical and analytical studies, we establish that the significant enhancement of thermal emission via Q matching, which has been possible in one-dimensional 1D systems only, can be extended to two-dimensional 2D systems by means of Fano resonances in the 2D system. In particular, we show the existence of essentially 1D behavior in a 2D system—a case of reduced dimensionality....

2008
J. P. Pekola L. J. Taskinen Sh. Farhangfar

We have investigated one and two dimensional (1D and 2D) arrays of tunnel junctions in partial Coulomb blockade regime. The absolute accuracy of the Coulomb blockade thermometer is influenced by the external impedance of the array, which is not the same in the different topologies of 1D and 2D arrays. We demonstrate, both by experiment and by theoretical calculations in simple geometries, that ...

2016
Pingping Qiu Weibin Qiu Zhili Lin Houbo Chen Yixin Tang Jia-Xian Wang Qiang Kan Jiao-Qing Pan

In this paper, one-dimensional (1D) and two-dimensional (2D) graphene-based plasmonic photonic crystals (PhCs) are proposed. The band structures and density of states (DOS) have been numerically investigated. Photonic band gaps (PBGs) are found in both 1D and 2D PhCs. Meanwhile, graphene-based plasmonic PhC nanocavity with resonant frequency around 175 THz, is realized by introducing point defe...

1999
J. P. Pekola L. J. Taskinen Sh. Farhangfar

We have investigated one and two dimensional (1D and 2D) arrays of tunnel junctions in partial Coulomb blockade regime. The absolute accuracy of the Coulomb blockade thermometer is influenced by the external impedance of the array, which is not the same in the different topologies of 1D and 2D arrays. We demonstrate, both by experiment and by theoretical calculations in simple geometries, that ...

2004
J. R. GARRATT R. A. PIELKE

The Colorado State University standard mesoscale model is used to evaluate the sensitivity of one-dimensional (1D) and two-dimensional (2D) fields to differences in surface-layer parameterization “constants”. Such differences reflect the range in the published values of the von Karman constant, Monin-Obukhov stability functions and the temperature roughness length at the surface. The sensitivit...

1998
Burkhard Rost

Abbreviations 1D D one-dimensional; 1D structure D one-dimensional (e.g., sequence or string of secondary structure); 2D D two-dimensional; 2D structure D two-dimensional (e.g., interresidue distances); 3D D three-dimensional; 3D structure D three-dimensional (coordinates of protein structure); PDB D Protein Data Bank of experimentally determined 3D structures of proteins; SWISS-PROT D database...

2003
Parthasarathy M. Gomadam Ralph E. White John W. Weidner

A two-dimensional ~2-D! energy balance ~the 2D model! is reduced to a one-dimensioanl ~1-D! energy balance ~the 1D-radialspiral model! by a coordinate transformation approach. The 1D-radial-spiral model, even though 1-D, captures both radial and spiral heat conductions over a wide range of design parameters. By comparing the temperature predictions of the 1D-radial-spiral model and the 2D model...

Journal: :Chemometrics and intelligent laboratory systems : an international journal sponsored by the Chemometrics Society 2015
Bradley Worley Robert Powers

NMR metabolic fingerprinting methods almost exclusively rely upon the use of one-dimensional (1D) 1H NMR data to gain insights into chemical differences between two or more experimental classes. While 1D 1H NMR spectroscopy is a powerful, highly informative technique that can rapidly and nondestructively report details of complex metabolite mixtures, it suffers from significant signal overlap t...

2007
Yumi Sohn Woo Jin Han

Two dimensional (2D) discrete cosine transform (DCT) are widely used as the transform method in most of video and image coding area. In general, 2D separable DCT is effective for smoothed regions of which components are highly correlated. When the block to be transformed has directional edges or a few values, however, 2D transform can yield worse performance than 1D transform. This drawback is ...

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