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Category > Programming Posted 11 May 2017 My Price 9.00

The modulating signal m(t)

The modulating signal m(t) is triangular with amplitude (-1, +1). Run a slightly modified version of the Matlab program to generate:

      1. The modulating signal m(t)
      2. The FM modulated signal I think this is right but I keep getting the error where in the program am I going wrong. I am trying to put this into Matlab to produce the signal
      1. The amplitude spectrum of the FM signal
      2. The demodulated signal

 

ts=1.e-4;t=-0.04:ts:0.04;Ta=0.01;m_sig=(triplesinc(t,Ta)).^2;Lft=length(t);Lft=2^ceil(log2(Lft));M_Fre=ftshiFt(ft(m_sig,Lft));Freqm=(-Lft/2:Lft/2-1)/(Lft*ts);B_m=100; %Bandwidth oF the signal is B_m Hz.%Design a simple lowpass ±lter with bandwidth B_m Hz.h=±r1(80,[B_m*ts]);%kF=160*pi; m_intg=kF*ts*cumsum(m_sig);s_Fm=cos(2*pi*300*t+m_intg);s_pm=cos(2*pi*300*t+pi*m_sig);Lft=length(t); Lft=2^ceil(log2(Lft)+1);S_Fm=ftshiFt(ft(s_Fm,Lft));S_pm=ftshiFt(ft(s_pm,Lft));Freqs=(-Lft/2:Lft/2-1)/(Lft*ts);s_Fmdem=dif([s_Fm(1) s_Fm])/ts/kF;s_Fmrec=s_Fmdem.*(s_Fmdem>0);s_dec=±lter(h,1,s_Fmrec);

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ComputerScienceExpert
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Status NEW Posted 11 May 2017 01:05 AM My Price 9.00

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