Fractal-element-based frequency selective surface structure and window absorber
A frequency-selective surface and frequency-selective technology, applied in the field of electromagnetic metamaterials, can solve problems such as the narrowing of the absorbing frequency band and the limited space for increasing the dielectric constant.
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[0030] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The description of the exemplary embodiments is for the purpose of illustration only, and in no way limits the invention and its application or usage.
[0031] At present, there are mainly the following problems in the design of band-stop FSS structures: how to reduce the thickness of the structure, and how to improve the wave transmittance on the basis of ensuring good wave-absorbing characteristics. The inventors of the present application found in research that the use of fractal elements can effectively reduce the thickness of the structure and improve the wave transmittance. Therefore, the inventors of the present application propose a FSS structure based on fractal units, and a window receiver based on the FSS structure. The FSS structure based on fractal units can effectively reduce the thickness of the structure, and improve the wave tra...
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