PCM starts with a continuous time,continuous amplitude signal from which a digital signal is produced.
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Q2: Modulation does not permit frequency-division multiplexing.
Q2: Bandwidth efficiency measures the efficiency with which
Q3: Using two different voltage levels for the
Q4: The modulation rate of a signal is
Q6: The biphase codes are known as self-clocking
Q8: Some transmission media,such as optical fiber and
Q9: A category of encoding techniques known as
Q10: The encoding scheme is the mapping from
Q11: In _ signaling an analog or digital
Q12: A scrambling coding technique based on bipolar-AMI
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