A quad-band branch line coupler with high frequency ratio.
Guoan WuShihao QiWenguang LiBaoquan HuLamin ZhanPublished in: IEICE Electron. Express (2022)
Keyphrases
- high frequency
- frequency band
- low pass
- low frequency
- visual quality
- wavelet transform
- subband
- high resolution
- high pass
- wavelet coefficients
- high frequencies
- discrete wavelet transform
- wavelet domain
- wavelet decomposition
- phase shifting
- super resolution
- computational complexity
- image quality
- image compression
- blocking artifacts
- high quality