LISTING PROGRAM NRZ-L

jmlbit=100;x=randint(1,jmlbit,[0 1], 0);

%Sinyal NRZ-Lsubplot(3,1,1);stairs(x);axis([1 length(x) -1 2]);title 'Sinyal Informasi';

y=2*x-1;subplot(3,1,2);stairs(y);axis([1 length(x) -2 2]);title 'Sinyal NRZ-L';

s=fft(x,2048);f=0:2048-1;subplot(3,1,3);plot(f,20*log10(abs(s)));title 'Spektrum NRZ-L'

HASIL PLOT SINYAL INFORMASI, SINYAL NRZ-L & SPEKTRUM NRZ-L

LISTING PROGRAM NRZ-M

jmlbit=100;x=randint(1,jmlbit,[0 1], 0);

%NRZ-Mfigure(5)subplot(3,1,1);stairs(x);axis([1 length(x) -1 2]);title 'Sinyal Informasi'; for n=1:length(x) if (n==1) data_out=x(n); data1(n)=x(n); else if (x(n)==0) data1(n)=data_out; elseif (x(n)==1) if (data_out==0) data_out=1; else data_out=0; end data1(n)=data_out; end endend datafix=2*data1-1; subplot(3,1,2)stairs(datafix)axis([1 length(x) -2 2])title 'Sinyal NRZ-M'

s=fft(datafix,2048);f=0:2047;subplot(3,1,3);plot(f,20*log10(abs(s)))title 'Spektrum NRZ-M';

HASIL PLOT SINYAL INFORMASI, SINYAL NRZ-M & SPEKTRUM NRZ-M

LISTING PROGRAM NRZ-S

% NRZ-S figure(6)subplot(3,1,1)stairs(x)axis([0 length(x) -1 2])title 'Sinyal Informasi'; for n=1:length(x) if (n==1) data_out=x(n); data1(n)=x(n)-1; else if (x(n)==1) data1(n)=data1(n-1); elseif (x(n)==0) if (data1(n-1)==1) data_out=0; else data_out=1; end data1(n)=data_out; end endend datafix=2*data1-1; subplot(3,1,2)stairs(datafix)axis([1 length(x) -2 2])title 'Sinyal NRZ-S' s=fft(datafix,2048);f=0:2047;subplot(3,1,3);

plot(f,20*log10(abs(s)))title 'Spektrum NRZ-S';

HASIL PLOT SINYAL INFORMASI, SINYAL NRZ-S & SPEKTRUM NRZ-S

LISTING PROGRAM RZ-AMI%AMI-RZfigure(2) subplot(3,1,1);stairs(x);axis([1 length(x) -0.5 1.5]);title 'Sinyal Informasi'; x(1)=1;xx=x;for k=2:length(x); if x(k-1)==0 && x(k)==1 xx(k)=-1; endend subplot(3,1,2);stairs(xx);axis([1 length(x) -1.5 1.5]);title 'Sinyal AMI-RZ'; s=fft(xx,2048);f=0:2047;subplot(3,1,3);plot(f,20*log10(abs(s)));title 'Spektrum AMI-RZ'

HASIL PLOT RZ-AMI

LISTING PROGRAM UNIPOLAR RZ

%UNIPOLAR-RZfigure(3) subplot(3,1,1);stairs(x);axis([1 length(x) -0.5 1.5]);title 'Sinyal Informasi'; t=0:1/48:100-1/48;p1=ones(16,1);p2=zeros(32,1);p=[p1;p2];y=p*x;z=reshape(y,1,[]);subplot(3,1,2);plot(t,z);axis([1 length(x) -1.5 1.5]);title 'Sinyal Unipolar-RZ'; s=fft(z,2048);f=0:2047;subplot(3,1,3);plot(f,20*log10(abs(s)))title 'Spektrum Unipolar-RZ';

HASIL PLOT SINYAL INFORMASI ,SINYAL UNIPOLAR-RZ & SPEKTRUM UNIPOLAR-RZ

LISTING PROGRAM BIPOLAR-RZ

% BIPOLAR-RZ figure(4) subplot(3,1,1);stairs(x);axis([1 length(x) -0.5 1.5]);title 'Sinyal Informasi'; xx=2*x-1;t=0:1/48:100-1/48;p1=ones(16,1); p2=zeros(32,1);p=[p1;p2];y=p*xx;z=reshape(y,1,[]);subplot(3,1,2)plot(t,z)axis([1 length(x) -1.5 1.5]);title 'Sinyal Bipolar-RZ'; s=fft(z,2048);f=0:2047;subplot(3,1,3);plot(f,20*log10(abs(s)))title 'Spektrum Bipolar-RZ';

HASIL PLOT SINYAL INFORMASI, SINYAL BIPOLAR-RZ & SINYAL SPEKTRUM BIPOLAR-RZ

LISTING PROGRAM BIPHASE-M

% Bi-Phase M figure(8)subplot(3,1,1)stairs(x)axis([0 length(x) -0.5 1.5])title 'Sinyal Informasi'; bitrate = 1; T = length(x)/bitrate; % full time of bit sequencek = 200;N = k*length(x);dt = T/N;t = 0:dt:T;y = zeros(1,length(t)); % output signal for n = 0:length(x)-1 if n==1 y(n*k+1:(n+0.5)*k) = -1; y((n+0.5)*k+1:(n+1)*k) = 1; data=y; else if (x(n+1)==1) if y(((n-1)+0.5)*k+1:((n)-1)*k)==1 y(n*k+1:(n+0.5)*k) = 1; y((n+0.5)*k+1:(n+1)*k) = 1; else y(n*k+1:(n+0.5)*k) = -1; y((n+0.5)*k+1:(n+1)*k) = -1; end data=y; elseif (x(n+1)==0)

if y(((n-1)+0.5)*k+1:((n)-1)*k)==1 y(n*k+1:(n+0.5)*k) = 1; y((n+0.5)*k+1:(n+1)*k) = -1; else y(n*k+1:(n+0.5)*k) = -1; y((n+0.5)*k+1:(n+1)*k) = 1; end data=y; end endend subplot(3,1,2)plot(t,data)axis([1 length(x) -1.5 1.5])title 'Sinyal BiPhase M' s=fft(data,2048);f=0:2047;subplot(3,1,3);plot(f,20*log10(abs(s)))title 'Spektrum BiPhase M';

HASIL PLOT SINYAL INFORMASI , SINYAL BIPHASE-M & SPEKTRUM BIPHASE-M

LISTING PROGRAM BIPHASE –L

% Bi-Phase Lfigure(7)subplot(3,1,1)stairs(x)axis([0 length(x) -0.5 1.5])title 'Sinyal Informasi'; bitrate = 1;

T = length(x)/bitrate; % full time of bit sequencek = 200;N = k*length(x);dt = T/N;t = 0:dt:T;y = zeros(1,length(t)); % output signal for n = 0:length(x)-1 if (x(n+1)==1) y(n*k+1:(n+0.5)*k) = -1; y((n+0.5)*k+1:(n+1)*k) = 1; data=y; elseif (x(n+1)==0) y(n*k+1:(n+0.5)*k) = 1; y((n+0.5)*k+1:(n+1)*k) = -1; data=y; endend subplot(3,1,2)plot(t,data)axis([1 length(x) -1.5 1.5])title 'Sinyal BiPhase L' s=fft(data,2048);f=0:2047;subplot(3,1,3);plot(f,20*log10(abs(s)))title 'Spektrum BiPhase L';

HASIL PLOT SINYAL INFORMASI, SINYAL BIPHASE-L & SPEKTRUM BIPHASE-L