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In mathematics, a '''polyphase sequence''' is a sequence whose terms are [[complex number|complex]] [[root of unity|roots of unity]]:
 
: <math>a_n = e^{i\frac{2\pi}{q}x_n} \, </math>
 
where ''x''<sub>''n''</sub> is an [[integer]].
 
Polyphase sequences is an important class of sequences and play important roles in synchronizing sequence design.  
 
==References==
* Pingzhi Fan and Michael Darnell, ''Sequence Design for Communications Applications'', 1996
 
[[Category:Sequences and series]]

Revision as of 21:41, 7 July 2013

In mathematics, a polyphase sequence is a sequence whose terms are complex roots of unity:

where xn is an integer.

Polyphase sequences is an important class of sequences and play important roles in synchronizing sequence design.

References

  • Pingzhi Fan and Michael Darnell, Sequence Design for Communications Applications, 1996