Question: Which data formats, for a random (coin toss) data stream, have (a) zero dc level; (b) built in redundancy that could be used for error

Which data formats, for a random (coin toss) data stream, have (a) zero dc level; (b) built in redundancy that could be used for error checking; (c) discrete spectral lines present in their power spectra; (d) nulls in their spectra at zero frequency; (e) the most compact power spectra (measured to first null of their power spectra)?
(i) NRZ change;
(ii) NRZ mark;
(iii) Unipolar RZ;
(iv) Polar RZ;
(v) Bipolar RZ;
(vi) Split phase.

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Here is a summary of the characteristics you listed for the different data formats a Zero DC level NRZ change NRZ mark Unipolar RZ Polar RZ Bipolar RZ b Builtin redundancy for error checking Split pha... View full answer

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