Spectrally Efficient Frequency-Domain Optical CDM Employing QAM Based on Electrical Spatial Code Spreading.
Shin KanekoSang-Yuep KimNoriki MikiHideaki KimuraHisaya HadamaKoichi TakiguchiHiroshi YamazakiTakashi YamadaYoshiyuki DoiPublished in: IEICE Trans. Commun. (2011)
Keyphrases
- frequency domain
- fourier transform
- spatial domain
- power spectrum
- cross correlation
- feature extraction
- frequency analysis
- low frequency
- denoising
- spectral domain
- phase correlation
- spectral signatures
- low pass
- fourier domain
- natural images
- spectrum analysis
- fourier analysis
- subband
- machine learning
- power spectra
- frequency spectrum
- human identification
- bandpass
- computer vision