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time domain plot from Built in fskmod function

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roopa bayareddy

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Feb 21, 2012, 3:40:13 AM2/21/12
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hi..... am trying for obtaining time domain plot of the results from the built in 'fskmod'function.....M = 4; freqsep = 8; nsamp = 8; Fs = 32; x = randint(1000,1,M); % Random signal y = fskmod(x,M,freqsep,nsamp,Fs); % Modulate. ly = length(y); % Create an FFT plot. freq = [-Fs/2 : Fs/ly : Fs/2 - Fs/ly]; Syy = 10*log10(fftshift(abs(fft(y)))); plot(freq,Syy)

i want the plot of modulated signal.....i.e.QFSK.with 4 distinct carriers.
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