Question

Q1- a) Sketch the waveform of the following signal: x(t) = u(t + 1) - 2u(t) + u(t - 1) b) A signal x(t) is depicted in Fig.1, sketch each of the following signals derived from x(t) Figure 1 i) x(2t) ii) x(t)[u(t - 1) - u(t - 2)] iii) x(t)?(t - 1) c) Write Matlab code to plot figure 1.

          Q1-
a) Sketch the waveform of the following signal:
x(t) = u(t + 1) - 2u(t) + u(t - 1)
b) A signal x(t) is depicted in Fig.1, sketch each of the following signals derived from x(t)
Figure 1
i) x(2t)
ii) x(t)[u(t - 1) - u(t - 2)]
iii) x(t)?(t - 1)
c) Write Matlab code to plot figure 1.

Q1-
a) Sketch the waveform of the following signal:
x(t) = u(t + 1) - 2u(t) + u(t - 1)
b) A signal x(t) is depicted in Fig.1, sketch each of the following signals derived from x(t)
Figure 1
i) x(2t)
ii) x(t)[u(t - 1) - u(t - 2)]
iii) x(t)?(t - 1)
c) Write Matlab code to plot figure 1.

Added by Krista R.

Higher Engineering Mathematics

John Bird 8th Edition

Chapter 70

Instant Answer

Solved by Expert Adi S

08/27/2023

Step 1

- \( u(t+1) \) is a unit step function that shifts to the left by 1 unit. - \( -2u(t) \) is a unit step function scaled by -2. - \( u(t-1) \) is a unit step function that shifts to the right by 1 unit. To sketch \( x(t) \): Show more…

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a) Sketch the waveform of the following signal: x(t) = u(t+1) - 2u(t) + u(t-1) b) A signal x(t) is depicted in Figure 1. Sketch each of the following signals derived from x(t): i) x(2t) ii) x(t)[u(t-1) - u(t-2)] iii) x(t)δ(t-1) c) Write MATLAB code to plot Figure 1.