Question

Let m(t) have the following spectrum: M(?) 1 m (t) ? -B B ? a) Sketch the spectrum of x(t) and y(t) given that ?(t) = \frac{1}{2} + \frac{2}{?} (cos ?_c t - \frac{1}{3} cos 3?_c t + \frac{1}{5} cos 5?_c t - ...) m(t) x(t) y(t) BPF at 3?c and BW = 2B wt(0) b) write the time expression for y(t) in terms of m(t). y(t)=

          Let m(t) have the following spectrum:

M(?)
1
m (t) ?
-B
B
?

a) Sketch the spectrum of x(t) and y(t) given that ?(t) = \frac{1}{2} + \frac{2}{?} (cos ?_c t - \frac{1}{3} cos 3?_c t + \frac{1}{5} cos 5?_c t - ...)

m(t)
 x(t)
y(t)
BPF at 3?c
and BW = 2B
wt(0)

b) write the time expression for y(t) in terms of m(t).
y(t)=

Let m(t) have the following spectrum:

M(?)
1
m (t) ?
-B
B
?

a) Sketch the spectrum of x(t) and y(t) given that ?(t) = (1)/(2) + (2)/(?) (cos ?c t - (1)/(3) cos 3?c t + (1)/(5) cos 5?c t - ...)

m(t)
x(t)
y(t)
BPF at 3?c
and BW = 2B
wt(0)

b) write the time expression for y(t) in terms of m(t).
y(t)=

Added by David H.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Ajay Singhal

Step 1

The spectrum of x(t) will be the spectrum of m(t) shifted to 3wc. Since the spectrum of m(t) has peaks at 2, 3, and 5, the spectrum of x(t) will have peaks at 2+3wc, 3+3wc, and 5+3wc. The spectrum of y(t) will be the spectrum of x(t) after passing through the Show more…

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Let m(t) have the following spectrum: M(c) m(t) 2 1 a) Sketch the spectrum of x(t) and y(t) given that t = cos(t) 2 3 5 m(t)O x(t)O y(t)O BPF at 3wc and BW=2B w(t)O b) Write the time expression for y(t) in terms of m(t) y(t)=