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In this letter, the design for a thin wave absorber using an admittance sheet composed of closely placed resistive film and divided conductive film is studied. The admittance of the sheet has frequency dependence because of the mutual influence between the films. The matching frequency of the absorber depends on its thickness () and susceptance of the sheet. Likewise, the reflection value...
In this paper, design of thin wave absorbers using an admittance-sheet composed of closely placed resistive film and divided conductive film is studied. The admittance of the sheet has frequency dependence because of the mutual influence between the films. The matching frequency of the absorber depends on its thickness (< λ/4) and susceptance of the sheet. Likewise the reflection value at...
In this paper, two-layered wave absorber using short carbon fibers is proposed. The absorber is composed of short carbon fibers, which is attached to polyester fibers on a surface of polystyrene foam, and a metal plate as a reflector. Absorption characteristics of the absorber with one-layer showed that matching frequencies could controlled by the thickness of spacer and the length of carbon fibers...
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