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A compact utral-wideband bandpass filter with broad stopband based on step-impedance stub-loaded tri-mode resonator.
Yuhong He
Zhewang Ma
Xuexia Yang
Published in:
IEICE Electron. Express (2017)
Keyphrases
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bandpass
frequency band
frequency domain
low pass
subband
geometric distortions
textured images
high frequency
low frequency
filter bank
zero crossing
high pass
grey level
transfer function
wavelet transform
spatial domain
probabilistic model
filter responses
image analysis
feature space
image processing