Quasi-Reflectionless Microstrip Bandpass Filters Using Bandstop Filter for Out-of-Band Improvement.
Cong LuoSai-Wai WongJing-Yu LinYang YangYin LiXu-Zhou YuLin-Ping FengZhi-Hong TuLei ZhuPublished in: IEEE Trans. Circuits Syst. II Express Briefs (2020)
Keyphrases
- bandpass
- high pass
- low pass
- microstrip
- frequency band
- patch antenna
- frequency domain
- subband
- high frequency
- dual band
- filter bank
- discrete wavelet transform
- gaussian filter
- filter responses
- low frequency
- wavelet decomposition
- textured images
- grey level
- image fusion
- contrast enhancement
- geometric distortions
- spatial domain
- computational complexity
- edge information
- zero crossing
- image processing
- visual quality
- vision system
- markov random field
- wavelet transform
- multiscale
- image segmentation