Characteristic of any structure that is periodic across position in space; measure of how often sinusoidal components (as determined by the Fourier transform) of the structure repeat per unit of distance
characteristic of any structure that is periodic across position in space; measure of how often sinusoidal components (as determined by the Fourier transform) of the structure repeat per unit of distance (en)
charakteryzuje struktury okresowe w całym kosmosie; ilość powtórzeń na jednostkę długości (pl)
Image and its spatial frequencies: Magnitude of frequency domain is logarithmically scaled, and zero frequency is in the center. Notable is the clustering of the content on the lower frequencies, a typical property of natural images. (en)