and
the transfer function of the system is 
.
Find the average power of the output process Y(t). (20)
The DSB-SC signal s(t)is expressed as 
,
where the 
is the sinusoidal carrier wave and m(t)is the sample function of a zero
mean stationary process whose power spectral density Sm(f)is
limited to a maximum frequency W, the message bandwidth. The additive
white gaussian noise is zero mean with spectral density 
,
where the
is the sinusoidal carrier wave and m(t)is the sample function of a zero
mean stationary process whose power spectral density Sm(f)is
limited to a maximum frequency W, the message bandwidth. The additive
white gaussian noise is zero mean with spectral density (b) Find the output signal to noise ratio of the DSB-SC
receiver,(SNR)O,DSB-SC (7)
(c) Find the figure of merit of DSB-SC (6)
Find the peak pulse signal to noise ratio 
of
the matched filter shown in fig. 2
of
the matched filter shown in fig. 2
Hint : 
(20)
(b) For the message sequence ( 1 1 0 1 1 ), determine
the output polynomials of path 1 and
path 2 (7)
path 2 (7)
(b) The spectrum M(f)of the message signal m(f)is shown
in fig. 4(b) (7)
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