Miniaturized lowpass filter with ultra-wide stopband using dual-plane defected structures.
Pingjuan ZhangMinquan LiJun WangPublished in: IEICE Electron. Express (2015)
Keyphrases
- low pass
- high pass
- bandpass
- filter design
- nonlinear filters
- filter bank
- subband
- high frequency
- perfect reconstruction
- finite impulse response
- gaussian filter
- frequency domain
- filter responses
- low pass filter
- wavelet transform
- wavelet decomposition
- high speed
- low frequency
- frequency response
- linear transform
- contrast enhancement
- fir filters
- image processing
- discrete wavelet transform
- gray level
- feature extraction
- visual quality
- image enhancement
- multiresolution
- high quality