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+clc;
+//Page no:2-31
+//Example-2.22
+//There are two antennas, therefore power delivered by each antenna is Pt=I^2*R
+//Pt'=I^2'*R and Pt'=Pt/2
+//I^2*R/2=I^2'*R
+//I^2'=I^2/2=2
+//I'=sqrt(2)A
+//Let I' is denoted by I1
+//Total current required for two antennas is given as
+I1=sqrt(2);
+Itotal=I1*2;
+Itot=2;
+u=0.6;
+//Itot=Ic*sqrt(1+(u^2/2))
+Ic=Itot/sqrt(1+(u^2/2));
+disp(Ic,'Ic=');
+//Keeping Ic constant we calculate modulation index to get Itotal=2*sqrt(2)
+u1=sqrt([(Itotal/Ic)^2-1]*2);
+disp(u1,'u=');