The following block diagram represents a system in which the sampling signal impulse train with alternating sign. X(w) represents Fourier transform of the ir signal. plt) p(t) x(t)_ H(w) vlt) 24 x(w) H(w)

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The following block diagram represents a system in which the sampling signal is an
impulse train with alternating sign. X(w) represents Fourier transform of the input
signal.
plt)
p(t)
x(t)
ylt)
H(w)
x,(t) |
24
x(w)
H(w)
1
Wm
2m/A
w
a) For A<r/2Wm sketch the Fourier transform of xp(t) and y(t)
b) For A<n/2Wm determine a system that will recover x(t) from x,(t)
c) What is the maximum value of A in relation to Wm for which x(t) can be recovered
from xp(t)
Transcribed Image Text:The following block diagram represents a system in which the sampling signal is an impulse train with alternating sign. X(w) represents Fourier transform of the input signal. plt) p(t) x(t) ylt) H(w) x,(t) | 24 x(w) H(w) 1 Wm 2m/A w a) For A<r/2Wm sketch the Fourier transform of xp(t) and y(t) b) For A<n/2Wm determine a system that will recover x(t) from x,(t) c) What is the maximum value of A in relation to Wm for which x(t) can be recovered from xp(t)
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