1. Plot the signal and find its energy Ex and energy spectral density . 2. Given the continuous…

1. Plot the signal

and find its energy Ex and energy spectral density.

2. Given the continuous time signals

let z = x ∗ y,

a) Find the expression of Z(f).

b) Find the energy of z.

c) Find the cross energies Exy and Eyz.

3.

 a) Find the average power of the following signals

b) Find the average power of the signal with Fourier transform