A noise reduction orthogonal multi-user CDSK communication system based on frequency domain processing.
Gang ZhangJiangtao DongLifang HePublished in: Ann. des Télécommunications (2022)
Keyphrases
- frequency domain
- noise reduction
- multi user
- spatial domain
- fourier transform
- signal to noise ratio
- virtual environment
- virtual world
- user interface
- single user
- cross correlation
- edge detection
- feature extraction
- fourier analysis
- low pass
- noise level
- power spectrum
- subband
- noisy environments
- augmented reality
- median filter
- denoising
- noise free
- single channel
- wavelet domain
- bandpass
- fast fourier transform
- filter bank
- wavelet decomposition
- multiscale
- wiener filter
- face recognition
- machine learning