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Comparison between chessboard and coding diffusion metasurface.
| Technique | Size (mm3) | Bandwidth | Scattering Field Lobes (Dispersion of Incident Wave) | Monostatic RCS Reduction | Bistatic RCS Reduction at j = 0°/40° (15.4 GHz) | Operating Band |
|---|---|---|---|---|---|---|
| Designed metasurface | 264 × 264 × 3 | 92% | Eight lobes | 9 | 25 and 26 dB | 8.6–22.5 GHz |
| Chessboard metasurface | 264 × 264 × 3 | 60% | Four Lobes | 7.5 | 19 and 18 dB | 13.8–22.5 GHz |
