Essay About T1 And T-T1

Matlab Codes and Graphs
Program (2)t=-3:0.01:3;x = exp(t);xrev= exp(-t);plot(t, x, red, t, xrev, blue);axis([-3 3 0 5]);grid;xlabel(time);ylabel(blue showing time reversed version);title(junaid shaikh, 05ES42);[pic 1]Program (3)t=-3:0.01:3;t1 = 1;x = exp(t);x1 = exp(t-t1);t1=-1;x2 = exp(t-t1); plot(t, x, red, t, x1, green, t, x2, blue);axis([-3 3 0 5]);xlabel(time in secs);ylabel(time delay & time advance);title(junaid shaikh , 05ES42);grid;                                                                                            [pic 2]                                                                                                                                     Exercise 1Write a Matlab program, which generates and plots function x(t)=sin(2πfot), its delayed version x(t-0.2) and, compressed version of the delayed signal, i.e., x(2(t-0.2)), and expanded version of the delayed signal i.e, x(0.5(t-0.2)).  Keep f0=1.Program (1)   t=-5:0.01:5;            fo=1;w=2*pi*fo;xo=sin(w*fo*t);plot(t,xo, g);title(junaid Shaikh , 05ES42);ylabel(Sin(t)); [pic 3]Program (2)t=-5:0.01:5;t1=0.2; fo=1;w=2*pi*fo;x1=sin(w*fo*(t-t1));plot(t,x1,b);ylabel(Signal Delay );xlabel(time in secs);title(junaid Shaikh , 05ES42);grid;                            [pic 4]Program (3)t=-5:0.01:5;t1=0.2; fo=1;w=2*pi*fo;x2=sin(2*w*fo*(t-t1));plot(t,x2,r);xlabel(time in secs);grid;title(junaid Shaikh , 05ES42);ylabel(Compressed signal);Program (4)[pic 5] t=-5:0.01:5; t1=0.2; fo=1;w=2*pi*fo; x3=sin(0.5*w*fo*(t-t1));plot(t,x3,p);ylabel(Signal Expansion);