A Wideband and Polarization-Independent Metasurface Based on Phase Optimization for Monostatic and Bistatic Radar Cross Section Reduction

Table 1

Comparisons between the results of this work and earlier checkerboard surfaces.

	[6]	[7]	[8]	This work
NSL	4	4	6	>80
MRR (dB)	−8.1	−8.1	−8.9	−17.6
BMRR	40.2% (<−10 dB)	66.0% (<−6 dB)	63.0% (<−10 dB)	80% (<−9.5 dB)
BBRR	—	66.0% (<−6 dB)	—	80% (<−9.5 dB)

NSL: the number of scattering lobes.
MRR: maximum RCS reduction.
BMRR: the bandwidth of monostatic RCS reduction.
BBRR: the bandwidth of bistatic RCS reduction.