Multiple choice

Directions: Carry Two Marks Each.

A zero mean white Gaussian noise having power spectral density of $\frac{N_o}{2}$ is passed through an LTI filter whose impulse response h(t) is shown in the figure. The variance of the filtered noise at t = 4 is

  1. $\frac{3}{2}A^2 N_o$
  2. $\frac{3}{4}A^2 N_o$
  3. A2No

  4. $\frac{1}{2}A^2 N_o$
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A Correct answer
Explanation