Wave-transparent composite material scaling ratio design method

Abstract

The invention discloses a wave-transparent composite material scaling ratio design method. The method comprises the following step of: optimizing layer number of a scaling ratio simulation material, the thickness of each layer and a recipe of each layer to ensure that both a transmission coefficient and a reflection coefficient of the scaling ratio simulation material are identical with a theoretical scaling ratio material when electromagnetic waves are incident from various angles, thereby satisfying the requirements of electromagnetic scattering characteristic scaling ratio measurement. Themethod has the advantage of breaking through close restraints, for electromagnetic parameters and geometric parameters of scaling ratio materials, of a scaling ratio theory, so as to make contributionto pushing the development of a scaling ratio test technology.

Description

technical field [0001] The invention relates to the technical field of target electromagnetic scattering characteristic scaling measurement, in particular to a wave-transmissive composite material scaling design method. Background technique [0002] Due to the advantages of low test cost, strong controllability and high stability, the scaling test technology has become an important means to obtain the electromagnetic scattering characteristics of the target. In scale measurement, the high-precision construction of the scale model of the test target is the key. Composite materials have the advantages of light weight, high strength, and adjustable electromagnetic properties, and the proportion of use in the target is increasing. However, composite materials often have complex electromagnetic properties, and it is difficult in engineering to construct simulated materials with the same electromagnetic properties as full-scale composite materials at scaled frequencies. Therefor...

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Problems solved by technology

In the 30th issue of "Guidance and Fuze" in 2009, the published document "Research on Electromagnetic Scale Test Technology for Cement Floor" aimed at the dielectric concrete floor, through the design of the dielectric constant, a simulated material close to the dielectric constant of the full-scale cement floor was obtained. And use the simulated material designed to make a scaled sample of the cement floor. After testing its electromagnetic reflection characteristics, it is preliminarily verified that the prepared simulated material meets the scaled measurement requirements. However, the studied cement floor still does not consider its wave transmission characteristics.

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