Millimeter- and Submillimeter-Wave Dielectric Measurements of Household Powders Using Fourier Transform Spectroscopy.
Usman A. KhanNicholas NguyenMohammed N. AfsarPublished in: IEEE Trans. Instrum. Meas. (2008)
Keyphrases
- fourier transform
- frequency domain
- signal processing
- infrared
- fourier domain
- frequency spectrum
- fast fourier transform
- radon transform
- x ray
- fourier descriptors
- power spectral density
- fourier coefficients
- polar coordinates
- fourier analysis
- spatial domain
- feature selection
- log polar
- correlation function
- rotation invariant
- discrete fourier transform
- subband
- multiresolution
- pattern recognition
- multiscale
- high quality