Question

Part A:
Write a generic Matlab code that generates delayed (shifted) Unit Impulse function.

Part B:

Write a generic Matlab code that generates delayed (shifted) Unit step function.

Part C:

Write a generic Matlab code that generate delayed (shifted) Unit ramp function.

Answer 1

A)

%%
clc;
clear all;
close all;
%
delay=1;% Set the delay variable according to the requirement
%
total_time=4*delay;
k=1;
loc=0;
for t=0:total_time/1000:total_time
if(t==delay)
loc=k;
end
signal(k)=0;
time(k)=t;
k=k+1;
end
%%
plot(time,signal,'r')
hold on
stem(time(loc),1,'r')
hold off
grid on
xlabel('Time(s)')
ylabel('Amplitude')
%%

B)

%%
clc;
clear all;
close all;
%
delay=1;% Set the delay variable according to the requirement
%
total_time=4*delay;
k=1;
loc=0;
for t=0:total_time/10000:total_time
if(t>=delay)
signal(k)=1;
else
signal(k)=0;   
end
time(k)=t;
k=k+1;
end
%%
plot(time,signal,'r','LineWidth',1.25)
grid on
xlabel('Time(s)')
ylabel('Amplitude')
%%

C)

%%
clc;
clear all;
close all;
%
delay=1;% Set the delay variable according to the requirement
%
total_time=4*delay;
k=1;
loc=0;
for t=0:total_time/10000:total_time
if(t>=delay)
signal(k)=t-delay;
else
signal(k)=0;   
end
time(k)=t;
k=k+1;
end
%%
plot(time,signal,'r','LineWidth',1.25)
grid on
xlabel('Time(s)')
ylabel('Amplitude')
%%