High-Selectivity Inverted Microstrip Gap Waveguide Bandpass Filter Using Hybrid Cavity and Stub-Loaded Ring Resonant Modes.
Zeng-Hui ShiFeng WeiLi YangRoberto Gómez-GarcíaPublished in: IEEE Trans. Circuits Syst. II Express Briefs (2024)
Keyphrases
- bandpass
- microstrip
- high pass
- frequency band
- low pass
- patch antenna
- waveguide
- dual band
- small size
- dielectric constant
- frequency domain
- subband
- high frequency
- low pass filter
- transfer function
- filter bank
- discrete wavelet transform
- low frequency
- textured images
- geometric distortions
- multi band
- feature selection
- image segmentation
- spatial domain
- zero crossing
- wavelet packet
- wavelet decomposition
- visual quality
- grey level