FFT, Amplitude Shift Keying.
Cuthbert Nyack
The ASK signal shown in the applet below consists of a sinsoidal
carrier at w1
modulated by a square pulse train at frequency w2.
The spectrum consists of a main component at the carrier frequency
w1
surrounded by the spectrum of a square pulse train on either side.
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COPYRIGHT © 2007 Cuthbert Nyack.