Quasi-Reflectionless Microstrip Bandpass Filters With Improved Passband Flatness and Out-of-Band Rejection.
Xiaohu WuYingsong LiXiaoguang LiuPublished in: IEEE Access (2020)
Keyphrases
- bandpass
- high pass
- low pass
- frequency band
- microstrip
- patch antenna
- frequency domain
- high frequency
- subband
- dual band
- filter bank
- low frequency
- filter responses
- discrete wavelet transform
- geometric distortions
- textured images
- contrast enhancement
- zero crossing
- wavelet decomposition
- wavelet transform
- gaussian filter
- image compression
- edge information
- image fusion
- transmission line
- grey level
- gray level