LTCC Bandpass Filter Chips With Controllable Transmission Zeros and Bandwidths Using Stepped-Impedance Stubs.
Wei ZhaoYongle WuYuhao YangWeimin WangPublished in: IEEE Trans. Circuits Syst. II Express Briefs (2022)
Keyphrases
- bandpass
- low pass
- frequency domain
- subband
- frequency band
- high frequency
- textured images
- filter bank
- low frequency
- geometric distortions
- spatial domain
- discrete wavelet transform
- wavelet decomposition
- zero crossing
- markov random field
- image analysis
- contrast enhancement
- grey level
- denoising
- wavelet transform
- color images