1 3- ) 00:15 4 M. 101 44.0 ... ... 38 . Addition, Multiplication o Time Shifting o Time inversion o Time Scaling o Amplitude Scaling Software: Matlab Lab Tasks: T- Generation and Plotting of Basic Signals Define hasic functions and call them from the command prompt a) Unit Step function: 11 I>0 u 111, 1-0 The unit step function is defined as: lo function y-us(t) (O) (1) *t is the time Vector y=1* (t>=0) +0* (t= -1 6 = = 0; h=1 for t>-1 to o bn+ -1: t> 0 & tc 2013+1=-1 for t> to 2 b=h+Oft > 21; *h=0 for t>2 1 lan((-22]; gxid on { 0 TII- SIGNAL OPERATIONS a) TIME SHIFTING Write a Matlab code to Shift x (t) as shown below: x(t) - cos(1) from-0.5 to 0.5 stop 0.01 Tosk: find y1) - (-2) and y2(0) - (+3) bl Time Scaling Write a Matlab function to Scale (t) as shown below: x(0) - COS(TE) from - 0.5 to 0.5 stey 0.01 Task:find 16 - (20) and 720) (t/2) cl Time Inversion (FOLDING) To time invert a signal, we replace by - Write a Matlab code to invert f(t) as shown below: 1 3- ) 00:15 4 M. 101 44.0 ... ... 38 . Addition, Multiplication o Time Shifting o Time inversion o Time Scaling o Amplitude Scaling Software: Matlab Lab Tasks: T- Generation and Plotting of Basic Signals Define hasic functions and call them from the command prompt a) Unit Step function: 11 I>0 u 111, 1-0 The unit step function is defined as: lo function y-us(t) (O) (1) *t is the time Vector y=1* (t>=0) +0* (t= -1 6 = = 0; h=1 for t>-1 to o bn+ -1: t> 0 & tc 2013+1=-1 for t> to 2 b=h+Oft > 21; *h=0 for t>2 1 lan((-22]; gxid on { 0 TII- SIGNAL OPERATIONS a) TIME SHIFTING Write a Matlab code to Shift x (t) as shown below: x(t) - cos(1) from-0.5 to 0.5 stop 0.01 Tosk: find y1) - (-2) and y2(0) - (+3) bl Time Scaling Write a Matlab function to Scale (t) as shown below: x(0) - COS(TE) from - 0.5 to 0.5 stey 0.01 Task:find 16 - (20) and 720) (t/2) cl Time Inversion (FOLDING) To time invert a signal, we replace by - Write a Matlab code to invert f(t) as shown below