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Binary data at a rate of I Mbit/s is to be transmitted by using Nyquist criterion pulses with P(f)
shown in Fig. P7.3-5, The frequencies f1 and h of the spectrum are adjustable. The channel
available for the transmission of this data has a bandwidth of 700 kHz. Determine ft and.h and
the roll-off factor.

Transcribed Image Text:by this pulse using Nyquist's criterion. What is the roll-off factor?
7.3-6 Binary data at a rate of 1 Mbit/s is to be transmitted by using Nyquist criterion pulses with P(f)
shown in Fig. P7.3-5, The frequencies fi and f2 of the spectrum are adjustable. The channel
available for the transmission of this data has a bandwidth of 700 kHz. Determine fi and f2 and
the roll-off factor.
PRINCIPLES OF DIGITAL DATA TRANSMISSION
7.3-5
1
P(f)
0.5
fi = 0.8
! 2= 1.2
%3D
f, MHz
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