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一种覆盖C波段的超薄完美吸波结构
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摘要
设计了一种覆盖C波段的吸波结构。该结构通过蝶形金属加载集总电阻的方式,实现宽带超强吸波,利用玻璃钢和航空泡沫相结合作为介质,以满足航空吸波材料对承力和重量的要求。仿真分析了该结构的宽带吸波机理。该结构厚6mm,在3.2-8.9GHz的吸波率大于90%,且吸波性能具有良好的稳定性。
A novel absorbing structure which covers the whole C-band is presented. This structure integrates lumped resistors into a metallic bow-tie structure, and thus wideband perfect absorbing performance is obtained. To meet the needs of supports and ultralight in aeronautical material, fiber glass reinforced plastics and foam are used as the substrate in combination. The proposed structure is simulated and its wideband absorbing mechanism is analyzed. The thickness of the structure is 6mm. Its absorbance is more than 90% from 3.2GHz to 8.9GHz. Moreover, the absorbing performance has good stability.
引文
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