Construction method for honeycomb-structured wave absorbing plate shrinkage ratio simulation material

Abstract

The invention discloses a construction method for a honeycomb-structured wave absorbing plate shrinkage ratio simulation material. The construction method comprises the following steps that 1, modeling is conducted on a honeycomb-structured wave absorbing plate, and the reflection rates obtained when electromagnetic waves are transmitted into the honeycomb-structured wave absorbing plate in different angles are obtained through simulation calculation; 2, by calculating the reflection rates obtained when a simulation material is in different thicknesses and an electromagnetic absorbing agent is in different volume fractions at a shrinkage ratio test frequency and comparing the reflection rates with the reflection rate obtained when the honeycomb-structured wave absorbing plate is located at a prototype test frequency, the reflection rate, nearest to the reflection rate obtained when the honeycomb-structured wave absorbing plate is located at the prototype test frequency, of the shrinkage simulation material is found, and then the formula parameters and thickness of the honeycomb-structured wave absorbing plate shrinkage ratio simulation material are obtained; 3, the honeycomb-structured wave absorbing plate shrinkage ratio simulation material is constructed. According to the construction method, the honeycomb-structured wave absorbing plate shrinkage ratio simulation material is designed through the reflection coefficient, limitation of the material electromagnetic parameter and geometric parameter in an electromagnetic shrinkage ratio theory is broken through, and construction of the honeycomb-structured wave absorbing plate shrinkage ratio simulation material is achieved.

Description

technical field [0001] The invention belongs to the technical field of target electromagnetic scattering characteristic testing, and relates to a method for constructing a honeycomb-structure wave-absorbing board scale-down simulation material. Background technique [0002] Because of its light weight and relatively high strength and rigidity, the honeycomb structure absorbing plate can form a dual function of carrying and absorbing waves, so it is widely used in aviation, aerospace and other fields. In order to measure the electromagnetic scattering characteristics of the target with a honeycomb structure absorbing plate, the commonly used methods are full-scale measurement method and electromagnetic reduction measurement method. Due to the advantages of good controllability, low test cost and high test accuracy of electromagnetic reduction measurement, It has become an important means to study the electromagnetic scattering characteristics of the target. In the electromag...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the difficult problem of difficult construction of scaled material for the target of geometric similarity and physical similarity, to provide a construction method of scaled material, to carry out scaled simulation material design of honeycomb structure wave absorbing plate through reflection coefficient, Break through the limitation of material electromagnetic parameters and geometric parameters in the theory of electromagnetic scaling

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