Reference no: EM132463220
Signals and Systems Questions -
Question 1 - Express the signals shown in Fig. 1 in terms of unit step functions.
![1544_figure1.png](https://secure.expertsmind.com/CMSImages/1544_figure1.png)
Question 2 - Consider the system shown in Fig. 2. Determine whether it is (a) memory-less, (b) causal, (c) linear, (d) time-invariant, or (e) stable.
![1547_figure2.png](https://secure.expertsmind.com/CMSImages/1547_figure2.png)
Question 3 - Evaluate y(t) = x(t) * h(t), where x(t) = u(t) - u(t-3) and h(t) = u(t)- u(t-2) (a) by an analytical technique, and (b) by a graphical method.
![655_figure3.png](https://secure.expertsmind.com/CMSImages/655_figure3.png)
Question 4 - The continuous-time system consists of two integrators and two scalar multipliers. Write a differential equation that relates the output y(t) and the input x(t).
![1749_figure4.png](https://secure.expertsmind.com/CMSImages/1749_figure4.png)
Question 5 - The impulse response h[n] of a discrete-time LTI system. (a) Determine and sketch the output y[n] of this system to the input x[n]. (b) Without using the convolution technique.
Question 6 - Consider the discrete-time system. Write a difference equation that relates the output y[n] and the input x[n].
![2041_figure6.png](https://secure.expertsmind.com/CMSImages/2041_figure6.png)
Question 7 - Write the input-output equation for the system.
![1804_figure7.png](https://secure.expertsmind.com/CMSImages/1804_figure7.png)