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Electromagnetic scattering from rough surface targets meshless Method

Author: TianWeiGuo
Tutor: ZhangMin
School: Xi'an University of Electronic Science and Technology
Course: Radio Physics
Keywords: Meshless method Secondary source Basic solution Rough surface Composite scattering
CLC: TN011
Type: Master's thesis
Year: 2009
Downloads: 96
Quote: 0
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Abstract


In this paper, electromagnetic scattering from rough surface targets meshless method . Its main tasks are : first discussion is based on the fundamental solution of the basic theory of meshless method , as well as the number of secondary source selection, the choice of auxiliary plane and the auxiliary plane surface and the actual distance between meshless method for the selection of Factors Affecting Results . Secondly , the application of the Monte Carlo method to establish the rough surface model , the non-grid method is applied to a random rough surface scattering . Rough surface to select a different one-dimensional auxiliary points , the distance between the auxiliary plane , and different rms height , length, etc. relevant for the relevant discussion . Multi -dimensional objects derived objective formula meshless method for solving the one -dimensional rough surface scattering with the target compound . Finally, a detailed study of three-dimensional conductor target meshless method , and the introduction of the auxiliary surface tangent and orthogonal auxiliary current source , and then applied to the calculation of two-dimensional Gaussian Rough Surface Scattering . According to the rough surface of the two-dimensional mesh- law theory and the theory of multi- target object , a preliminary study of two-dimensional rough surface electromagnetic scattering properties of the target compound .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > General issues > Basic theory > Radio wave propagation,the propagation mechanism
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