Power-scalable multi-mode reconfigurable continuous-time lowpass/quadrature bandpass sigma-delta modulator for zero/low-IF receivers.
Yang XuBaoyong ChiZhihua WangPublished in: ISCAS (2012)
Keyphrases
- sigma delta
- bandpass
- low pass
- frequency domain
- high order
- high frequency
- subband
- frequency band
- power consumption
- filter bank
- matlab simulink
- image sensor
- wavelet decomposition
- low frequency
- textured images
- contrast enhancement
- discrete wavelet transform
- multiresolution
- low power
- grey level
- zero crossing
- denoising
- multiscale
- spatial domain
- mathematical model
- image compression
- higher order
- filter responses
- geometric distortions
- wavelet transform
- high resolution