Design of multi-band metasurface antenna array with low RCS performance Project supported by the National Natural Science Foundation of China (Grant Nos. 61471389, 61701523, and 61671464). |
(color online) Scattering patterns of x-polarized incident wave at (a) 5.2 GHz, (b) 5.5 GHz, (c) 6.0 GHz, and of y-polarized incident wave (d) 5.0 GHz, (e) 5.5 GHz, and (f) 6.0 GHz. |