Coplanar Waveguide Low-Pass Filter Based on Butterfly-Shaped Spoof Surface Plasmon Polaritons with Compact Size and Constant-Width Transition.
Ali-Reza MoznebiKambiz AfroozPublished in: Wirel. Pers. Commun. (2023)
Keyphrases
- low pass
- waveguide
- high frequency
- subband
- frequency domain
- high pass
- wavelet decomposition
- gaussian filter
- low frequency
- filter bank
- discrete wavelet transform
- contrast enhancement
- high quality
- dielectric constant
- low pass filtering
- signal processing
- d objects
- image analysis
- wavelet domain
- noise reduction
- bandpass
- image enhancement
- feature selection