Diffraction Theory
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چکیده
منابع مشابه
AN Improved UTD Based Model For The Multiple Building Diffraction Of Plane Waves In Urban Environments By Using Higher Order Diffraction Coeficients
This paper describes an improved model for multiple building diffraction modeling based on the uniform theory of diffraction (UTD). A well-known problem in conventional uniform theory of diffraction (CUTD) is multiple-edge transition zone diffraction. Here, higher order diffracted fields are used in order to improve the result; hence, we use higher order diffraction coefficients to improve a hy...
متن کاملAlgorithm of Diffraction for Standing Tree based on the Uniform Geometrical Theory of Diffraction
Manuscript received September 11, 2011 * Corresponding author; E-mail: [email protected] Abstract— The diffraction fields and the shadow of standing tree diffraction are solved by using polygons to approximately take the place and approximation as approximate substitutes of for the circle. The algorithm model of ray path tracing is computed by tracing the ray path on standing tree. Considering el...
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The diffraction of stochastic point sets, both Bernoulli and Markov, and of random tilings with crystallographic symmetries is investigated in rigorous terms. In particular, we derive the diffraction spectrum of 1D random tilings, of stochastic product tilings built from cuboids, and of planar random tilings based on solvable dimer models. This article also contains a summary of the measure the...
متن کاملStep-by-step Evolution of Young’s Double-slit Interference Fringes Using Boundary Diffraction Wave Theory
Present work reports formation of Young’s double-slit interference fringes using the Young's own theory of diffraction called the theory of boundary diffraction wave. Theory demands that double-slit interference fringes are generated due to superposition of boundary diffraction waves originating from the edges of the slits due to their physical interaction with the incident light. The theoretic...
متن کاملGeometrical theory of diffraction and spectral statistics
We investigate the influence of diffraction on the statistics of energy levels in quantum systems with a chaotic classical limit. By applying the geometrical theory of diffraction we show that diffraction on singularities of the potential can lead to modifications in semiclassical approximations for spectral statistics that persist in the semiclassical limit ~ → 0. This result is obtained by de...
متن کاملExpanded Distorted-Wave Theory for Phase-Sensitive X-Ray Diffraction in Single Crystals
Diffraction of x rays is a widely used technique for studying structural information in condensed matter. One of the main advantages of this structural technique is that the diffracted intensities measured in experiments can be easily interpreted by a simple kinematic theory [1–3] that is based on the first-order Born approximation where single scattering events are the predominant mechanism. T...
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تاریخ انتشار 1992