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- W4286304411 abstract "Artificial magnetic conductors (AMCs) have the characteristics of reflection phase variation with frequency. This feature can be used to reduce the radar cross-section (RCS) of ground planes when the checkerboard arrangement of different AMCs is applied. Scattered fields of checkerboard surface are re-directed in four directions and cause a wide frequency range of 10-dB RCS reduction. This paper proposes a novel ultra-wideband structure to reduce RCS using a bed of nails as AMC. AMCs of the proposed structure have the same shape but different dimensions. Initially, the cylindrical form of a bed of nails is designed, and the results show the RCS reduction is less than −10dB over the frequency range of 6.78 – 18. 24 GHz, which is 91.6 %. This range is the same as the predicted one using array theory with a good approximation. Then the rectangular and conical form of a bed of nails is applied. For rectangular form, the RCS reduced more than 10 dB in the frequency range of 6.9 – 18.1 GHz, equivalent to 89.6 %, and is less than cylindrical form. The simulated results of the conical form show 93.3% (6.6 – 18.15 GHz) bandwidth which is wider than cylindrical form." @default.
- W4286304411 created "2022-07-21" @default.
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- W4286304411 date "2022-05-17" @default.
- W4286304411 modified "2023-09-27" @default.
- W4286304411 title "Ultra-wideband RCS Reduction Using Checkerboard Configuration of Bed of Nails" @default.
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- W4286304411 doi "https://doi.org/10.1109/icee55646.2022.9827178" @default.
- W4286304411 hasPublicationYear "2022" @default.
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