Hypothetical spectrum of a inadequately sampled bandlimited signal where the images overlap showing how aliases are created. X(f) (blue) and XA(f) (blue)...
en.wikipedia. 2007-06-06 06:17 Andrewpmk 1073×758× (17238 bytes) optimize png 2006-12-20 01:34 Remember the dot 1073×758× (20612 bytes) Combined spectra...
0.png 7. https://commons.wikimedia.org/wiki/File:Commons-logo.svg 8. https://commons.wikimedia.org/wiki/File:MediaWiki_logo_1.png 9. https://commons...
org/wiki/File:Wikimedia_België.svg 2. https://commons.wikimedia.org/wiki/File:CC_BY-SA_3.0.png 3. https://commons.wikimedia.org/wiki/File:Geert_Van_Pamel-IMG_1976.JPG...
Wikimedia Commons https://commons.wikimedia.org/wiki/File:Old_wikipedia_logo.png Bjørn Smestad according to this archived page of submitted logos from Nupedia...
svg 2. https://commons.wikimedia.org/wiki/File:Wikidata_barcode.svg 3. https://commons.wikimedia.org/wiki/File:CreativeCommonsSpectrum.PNG ...
DescriptionBlue LED Spectrum.png Spectrum of a common blue LED. The spectrum has been cleaned up a bit in photoshop to anti-alias the curve but this has...
DescriptionAliased sampled spectrum in 2D.png English: Sampled spectrum obtained by hexagonal sampling of a two-dimensional function bandlimited to a circular...
heated electron temperature is significantly lowered and the frequency spectrum of the scattered light is broadened by strong ion density fluctuations...
colour(arctan(z/2)*(5.0001/6)/(0.5*PI)): //the factor of 5/6 prevents the spectrum from wrapping // by precisely one colour transition (m->r). //The extra...