(siskom)sirenk Am,dsb

  • November 2019
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Nama : Anggarica Mudji P. No/ Kls : 01/ 1A

PEMBANGKIT SINYAL AM(Amplitude Modulation) Bila yang diketahui adalah: C(t)=20cos(2.106 πt) m(t)=10cos(8.103 πt) Sehingga persamaan sinyal termodulasi amplitudonya: Sam(t) = (ac + m(t)) cos ωct Sam(t) = (20 + 10cos(8.103 πt)) cos(2.106 πt) Listing Program Pada MATHLAB adalah figure ct='20*cos(2*10^6*pi*t)'; subplot(2,1,1),ezplot(ct,[0.0 0.005]) title('SIGNAL CARRIER') ylabel('amplitude'); xlabel('time'); mt='10*cos(8*10^3*pi*t)'; subplot(2,1,2),ezplot(mt,[0.0 0.003]) title('SIGNAL INFORMATION') ylabel('amplitude'); xlabel('time'); pause(1) figure samt=('(20 + 10*cos(8*10^3*pi*t))*cos(2*10^6*pi*t)') ezplot(samt,[0 0.0005]) title('AMPLITUDE MODULATION') ylabel('amplitude'); xlabel('time');

Nama : Anggarica Mudji P. No/ Kls : 01/ 1A

Nama : Anggarica Mudji P. No/ Kls : 01/ 1A

PEMBANGKIT SINYAL SSB(Singgle Side Band) Bila yang diketahui adalah: C(t)=20cos(2.106 πt) m(t)=10cos(8.103 πt) Sehingga pers. Sinyal termodulasi amplitude SSBnya: Dssb(t)=ac.am cos(ωct+ωmt) Dssb(t)=20.10 cos(2.106 πt+8.103 πt) Listing Program Pada MATHLAB adalah subplot(2,1,1),ezplot(ct,[0.0 0.005]) title('SIGNAL CARRIER') ylabel('amplitude'); xlabel('time'); mt='10*cos(8*10^3*pi*t)'; subplot(2,1,2),ezplot(mt,[0.0 0.003]) title('SIGNAL INFORMATION') ylabel('amplitude'); xlabel('time'); pause(1) figure ssb='(20*10)*cos((2*10^6*pi*t)+(8*10^3*pi*t))' ezplot(ssb,[0 0.005]) title('AMPLITUDE MODULATION SINGGLE SIDE BAND') ylabel('amplitude'); xlabel('time');

Nama : Anggarica Mudji P. No/ Kls : 01/ 1A

Nama : Anggarica Mudji P. No/ Kls : 01/ 1A

PEMBANGKIT SINYAL DSB(Double Side Band) Bila yang diketahui adalah: C(t)=20cos(2.106 πt) m(t)=10cos(8.103 πt) Sehingga pers. Sinyal termodulasi amplitude DSBnya: Sdsb(t) = c(t) . m(t) Sdsb(t) = 20cos(2.106 πt) . 10cos(8.103 πt) Listing Program Pada MATHLAB adalah figure ct='20*cos(2*10^6*pi*t)'; subplot(2,1,1),ezplot(ct,[0.0 0.005]) title('SIGNAL CARRIER') ylabel('amplitude'); xlabel('time'); mt='10*cos(8*10^3*pi*t)'; subplot(2,1,2),ezplot(mt,[0.0 0.003]) title('SIGNAL INFORMATION') ylabel('amplitude'); xlabel('time'); pause(1) figure dsb='((20*cos(2*10^6*pi*t))*(10*cos(8*10^3*pi*t)))'; ezplot(dsb,[0 0.0005]) title('AMPLITUDE MODULATION DOUBLE SIDE BAND') ylabel('amplitude'); xlabel('time');

Nama : Anggarica Mudji P. No/ Kls : 01/ 1A

Nama : Anggarica Mudji P. No/ Kls : 01/ 1A

PEMBANGKIT SINYAL FM(FREKUENSI MODULATION) Bila yang diketahui adalah: C(t)= 10cos(6.106πt) m(t)= 20cos(2.106πt) kf=5 Sehingga pers. Sinyal termodulasi amplitude FMnya: Sfm(t) = Ac.cos[ωct+kf ∫ m(t) dt] Sfm(t) = 10cos[cos(6.106 πt) + 5 ∫ 20cos(2.106πt) dt] Listing Program Pada MATHLAB figure ct='10*cos(6*10^6*pi*t)'; subplot(2,1,1),ezplot(ct,[0.0 0.005]) title('SIGNAL CARRIER') ylabel('amplitude'); xlabel('time'); mt='20*cos(2*10^6*pi*t)'; subplot(2,1,2),ezplot(mt,[0.0 0.003]) title('SIGNAL INFORMATION') ylabel('amplitude'); xlabel('time'); pause(1) figure ac=10; kf=5; wct='cos (6*10^6*pi*t)'; z=int (mt,'t') sfmt=(ac*cos(wct+(kf*z))) ezplot(sfmt,[0 0.00005]) title('FREKUENSI MODULATION') ylabel('amplitude'); xlabel('time');

Nama : Anggarica Mudji P. No/ Kls : 01/ 1A