Question

5067 encode some digital data using Multilevel line coding Scheme

Answer 1

Answer:

Answer:

Difference between Unipolar, Polar and Bipolar Line Coding Schemes

Data as well as signals that represents data can either be digital or analog. Line coding is the process of converting digital data to digital signals. By this technique we converts a sequence of bits to a digital signal. At the sender side digital data are encoded into a digital signal and at the receiver side the digital data are recreated by decoding the digital signal.

We can roughly divide line coding schemes into five categories:

Unipolar (eg. NRZ scheme).

Polar (eg. NRZ-L, NRZ-I, RZ, and Biphase – Manchester and differential Manchester).

Bipolar (eg. AMI and Pseudoternary).

Multilevel

Multitransition

But, before learning difference between first three schemes we should first know the characteristic of these line coding techniques:

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