نتایج جستجو برای: polarization constants
تعداد نتایج: 109591 فیلتر نتایج به سال:
A circular polarization sensor is feasible to detect a sea-skimming cruise missile in a solar corridor. We report the simulated performance results of a shipboard medium-wave infrared (MWIR) circular polarization sensor to detect a sea-skimming missile above rough sea surface. The sensor observed total and circular target and sea clutter signals at night and during daytime in and out of the sol...
The importance of including polarization functions in the basis set of ab initio MO calculations has received a good deal of attention during the last few years [1—8]. However, little work has been reported on the influence of the inclusion of polarization functions in the basis set of semiempirical methods. The only papers dealing with semiempirical methods that the authors are aware of are, o...
Polarization-depolarization current (PDC) measurements are now being used as a diagnosis tool to predict the ageing condition of transformer oil-paper insulation. Unfortunately, it is somewhat difficult to obtain the ageing condition of transformer cellulose insulation using the PDC technique due to the variation in transformer insulation geometry. In this literature, to quantify the ageing con...
A circular polarization sensor is feasible to detect a sea-skimming cruise missile in a solar corridor. We report the simulated performance results of a shipboard medium-wave infrared (MWIR) circular polarization sensor to detect a sea-skimming missile above rough sea surface. The sensor observed total and circular target and sea clutter signals at night and during daytime in and out of the sol...
We report that light beams, guided along liquid crystal defect lines, can be transformed into vector beams with various polarization profiles. Using finite-difference time-domain numerical solving of Maxwell equations, we confirm that the defect in the orientational order of the liquid crystal induces a defect in the light field with twice the winding number of the liquid crystal defect, coupli...
One-dimensional (1D) metal halide perovskite nanowire (NW) arrays with high absorption efficiency, emission yield and dielectric constants, as well anisotropic optoelectronic properties have found applications in energy harvesting, flexible electronics, biomedical imaging devices. Here, a modified two-step solvothermal method is developed for the synthesis of self-assembled cubic CsPbBr3 NW arr...
We have developed and implemented a formalism for computing the structural response of a periodic insulating system to a homogeneous static electric field within density-functional perturbation theory ~DFPT!. We consider the thermodynamic potentials E(R,h ,E) and F(R,h ,P), whose minimization with respect to the internal structural parameters R and unit cell strain h yields the equilibrium stru...
An essential problem in music information retrieval is to determine the similarity between two given melodies; there are several melodic similarity measures that have been proposed, among others, the Mongeau-Sankoff measure. In this work we implemented a modified version of the Mongeau-Sankoff measure. We conducted an experimental study to compare the implemented measure with other similarity m...
It is well known that, when normalized by n, the expected length of a longest common subsequence of d sequences of length n over an alphabet of size σ converges to a constant γσ,d. We disprove a speculation by Steele regarding a possible relation between γ2,d and γ2,2. In order to do that we also obtain some new lower bounds for γσ,d, when both σ and d are small integers.
Foundations of Artiicial Intelligence presents a number of chapters from major players in artiicial intelligence (AI) that discuss fundamental assumptions underlying the dominant approaches to AI today. Perhaps the best parts of the book are the critiques: each chapter is followed by an in-depth critique that evaluates the utility of those assumptions in pursuing the goal of AI. But what is the...
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