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secondimage
  • Member for 4 years, 5 months
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3 votes
4 answers
2k views

why we need self-synchronization?

2 votes
1 answer
3k views

How to tell whether a line coding scheme has DC component or not

1 vote
3 answers
468 views

Is the amplitude of a sine wave increasing or decreasing in this phase?

1 vote
4 answers
898 views

how to find the frequency of this nonperiodic composite signal?

0 votes
5 answers
489 views

why the sender's clock might not in the same pace with the receiver's clock

0 votes
2 answers
625 views

Does NRZ-I have a synchronization problem?

0 votes
1 answer
61 views

why nonperiodic signals still has the concept of frequency?

0 votes
3 answers
1k views

Why phase is the position of the waveform relative to time 0

0 votes
3 answers
1k views

approximation of a digital signal using the harmonic

0 votes
1 answer
78 views

what does phase really mean?

0 votes
1 answer
189 views

what does bandwidth in a channel really mean?