An 8 bits, RF UHF-Band DAC based on interleaved bandpass delta sigma modulator assisted by background digital calibration.
Farshad AghasharifMohammadreza MalekpourReza BigdeliPooya TorkzadehPublished in: Integr. (2022)
Keyphrases
- delta sigma
- frequency band
- bandpass
- delta sigma modulators
- noise shaping
- subband
- low pass
- analog to digital converter
- high frequency
- low frequency
- frequency domain
- filter bank
- image coding
- wavelet packet
- transfer function
- multiresolution
- background subtraction
- bit rate
- computer vision
- video camera
- visual quality
- gray level
- image compression
- markov random field
- co occurrence
- wavelet transform