Method and device for estimating parameters of electromagnetic characteristic equation of artificial electromagnetic materials
A technology of artificial electromagnetic materials and electromagnetic characteristics, which is applied in the fields of electrical digital data processing, special data processing applications, calculations, etc. It can solve the problems that hinder the large-scale design and industrial application of artificial electromagnetic materials, lack of models, and lack of parameter estimation of electromagnetic characteristic equations. methods and other issues to achieve the effect of facilitating large-scale design and industrial application
Active Publication Date: 2016-01-13
KUANG CHI INST OF ADVANCED TECH
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Problems solved by technology
At present, the research and design of artificial electromagnetic materials is still at the stage of using cubic spline model interpolation, but this model has no physical model support, and lacks a standardized method for estimating the parameters of the electromagnetic characteristic equation, which hinders the large-scale design of artificial electromagnetic materials and industrial applications
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[0044] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0045] The electromagnetic characteristic curve of the artificial electromagnetic material unit structure can be expressed by the electromagnetic characteristic equation, and the present invention uses the Lorentz expression to extract the characteristic information of the electromagnetic characteristic curve, so as to obtain the parameter estimation value of the corresponding electromagnetic characteristic equation.
[0046] Please...
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The invention discloses an electromagnetic characteristic equation parameter estimation method of manual work electromagnetic materials. The method is used for estimating an electromagnetic characteristic equation without a resonant frequency manual work electromagnetic material unit structure. The electromagnetic characteristic equation parameter estimation method of the manual work electromagnetic materials includes the following steps of acquiring a plurality of frequencies of the manual work electromagnetic material unit structure and dielectric constants corresponding to the plurality of frequencies; establishing a lorenz expression according to the plurality of frequencies and the dielectric constants corresponding to the plurality of frequencies; and acquiring a function which meets the plurality of frequencies and the dielectric constants corresponding to the plurality of frequencies according to the lorenz expression. By using the obtained function, the dielectric constants corresponding to any one of the frequencies can be obtained in the automated design process of the manual work electromagnetic materials. Furthermore, the invention further provides an electromagnetic characteristic equation parameter estimation device of the manual work electromagnetic materials.
Description
technical field [0001] The invention relates to the testing field, in particular to a parameter estimation method and an estimation device of an electromagnetic characteristic equation of an artificial electromagnetic material. Background technique [0002] Artificial electromagnetic materials are composite materials formed by periodically arranging unit structures with a certain geometric shape on a dielectric substrate, so that the points where each unit structure in space has different equivalent permittivity and / or equivalent permeability, They are used to characterize the electric field response and magnetic field response to electromagnetic waves, respectively. The unit structures include artificial microstructures made of metal wires and corresponding substrate units. The points where the unit structure is located have different equivalent permittivity and / or equivalent magnetic permeability, which are used to characterize the electric field response and magnetic fie...
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IPC IPC(8): G06F17/50G06F17/10
Inventor 刘若鹏季春霖刘斌陈智伟
Owner KUANG CHI INST OF ADVANCED TECH