High Frequency Buffer-Feedback Oscillator With an RF Negative-Resistance Circuit.
Kang-Un ChoiThanh Dat NguyenSeong-Gon ChoiJong-Phil HongPublished in: IEEE Access (2018)
Keyphrases
- high frequency
- negative feedback
- relevance feedback
- low frequency
- positive feedback
- feedback loop
- frequency band
- visual quality
- high frequencies
- high speed
- wavelet transform
- high resolution
- subband
- wavelet coefficients
- wavelet domain
- discrete wavelet transform
- multi resolution analysis
- wavelet decomposition
- low pass
- low bit rate coding
- image processing
- blocking artifacts
- digital camera
- high frequency components
- image quality
- phase shifting
- multiresolution
- multiscale
- similarity measure