Keywords: AMSpectra.png The frequency-domain spectrum of an amplitude-modulated signal The two sidebands are sum and difference frequencies of the carrier and modulator C and M and have amplitudes at half the amplitude of the carrier signal en wikibooks 2007-09-10 Original uploader was Damien Karras at http //en wikibooks org en wikibooks en wikibooks Damien Karras Original upload log en wikibooks AMSpectra png 2007-09-10 18 15 Damien Karras 787×575× 22855 bytes <nowiki>Myself INKSCAPE </nowiki> Modulation sound synthesis |