KBNN Based on Coarse Mesh to Optimize the EBG Structures

Table 4

Data of tapered dual-plane EBG before and after optimization.

	−10 dB relative bandwidth	Maximum attenuation/dB	Ripple level in the lower passband/dB	Ripple level in the higher passband/dB
Before optimization	51.07%	33.5691	1.8247	6.3265
After optimization	60.88%	38.8096	0.6878	4.0484