plz explain this code
%Normalizing Signals
x1=x1./sqrt(P1);
x2=x2./sqrt(P2);
x3=x3./sqrt(P3);
x4=x4./sqrt(P4);
SNR=input(‘Enter The desired value of SNR in dBs:’);
N0=10^(-SNR/10);
%generating noise signal of desired SNR
noise=sqrt(N0/l).*randn(1,l);
%Received Signal
r1=x1+noise;
r2=x2+noise;
r3=x3+noise;
r4=x4+noise;
%Matched Filter
M1=filter(fliplr(x1),1,r1);
M2=filter(fliplr(x2),1,r2);
M3=filter(fliplr(x3),1,r3);
M4=filter(fliplr(x4),1,r4);
figure;subplot(411);
plot(M1);
subplot(412);
plot(M2);
subplot(413);
plot(M3);
subplot(414);
plot(M4)
%correlation
X1=xcorr(r1,x1);
X2=xcorr(r2,x2);
X3=xcorr(r3,x3);
X4=xcorr(r4,x4);
figure;subplot(411);
plot(X1);
subplot(412);
plot(X2);
subplot(413);
plot(X3);
subplot(414);
plot(X4)%Normalizing Signals
x1=x1./sqrt(P1);
x2=x2./sqrt(P2);
x3=x3./sqrt(P3);
x4=x4./sqrt(P4);
SNR=input(‘Enter The desired value of SNR in dBs:’);
N0=10^(-SNR/10);
%generating noise signal of desired SNR
noise=sqrt(N0/l).*randn(1,l);
%Received Signal
r1=x1+noise;
r2=x2+noise;
r3=x3+noise;
r4=x4+noise;
%Matched Filter
M1=filter(fliplr(x1),1,r1);
M2=filter(fliplr(x2),1,r2);
M3=filter(fliplr(x3),1,r3);
M4=filter(fliplr(x4),1,r4);
figure;subplot(411);
plot(M1);
subplot(412);
plot(M2);
subplot(413);
plot(M3);
subplot(414);
plot(M4)
%correlation
X1=xcorr(r1,x1);
X2=xcorr(r2,x2);
X3=xcorr(r3,x3);
X4=xcorr(r4,x4);
figure;subplot(411);
plot(X1);
subplot(412);
plot(X2);
subplot(413);
plot(X3);
subplot(414);
plot(X4) %Normalizing Signals
x1=x1./sqrt(P1);
x2=x2./sqrt(P2);
x3=x3./sqrt(P3);
x4=x4./sqrt(P4);
SNR=input(‘Enter The desired value of SNR in dBs:’);
N0=10^(-SNR/10);
%generating noise signal of desired SNR
noise=sqrt(N0/l).*randn(1,l);
%Received Signal
r1=x1+noise;
r2=x2+noise;
r3=x3+noise;
r4=x4+noise;
%Matched Filter
M1=filter(fliplr(x1),1,r1);
M2=filter(fliplr(x2),1,r2);
M3=filter(fliplr(x3),1,r3);
M4=filter(fliplr(x4),1,r4);
figure;subplot(411);
plot(M1);
subplot(412);
plot(M2);
subplot(413);
plot(M3);
subplot(414);
plot(M4)
%correlation
X1=xcorr(r1,x1);
X2=xcorr(r2,x2);
X3=xcorr(r3,x3);
X4=xcorr(r4,x4);
figure;subplot(411);
plot(X1);
subplot(412);
plot(X2);
subplot(413);
plot(X3);
subplot(414);
plot(X4) matched fiter code MATLAB Answers — New Questions
