Dual-Band Bandpass Filter and Filtering Power Divider With Ultra-Wide Upper Stopband Using Hybrid Microstrip/DGS Dual-Resonance Cells.
Yunbo RaoHuizhen Jenny QianBingzheng YangRoberto Gómez-GarcíaXun LuoPublished in: IEEE Access (2020)
Keyphrases
- bandpass
- dual band
- microstrip
- high pass
- low pass
- frequency domain
- high frequency
- patch antenna
- frequency band
- textured images
- subband
- narrow band
- geometric distortions
- low frequency
- filter bank
- contrast enhancement
- zero crossing
- spatial domain
- gaussian filter
- small size
- grey level
- discrete wavelet transform
- filter responses
- edge information