Polyphase sequence

Sequence whose terms are complex roots of unity

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

a n = e i 2 π q x n {\displaystyle a_{n}=e^{i{\frac {2\pi }{q}}x_{n}}\,}

where xn is an integer.

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

## See also

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* Zadoff–Chu sequence

## References

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* Fan, Pingzhi; Darnell, Michael (1996). Sequence Design for Communications Applications. Research Studies Press. ISBN 047196557X.