Abstract
Low autocorrelation signals have fundamental applications in radar and communications. We construct constant amplitude zero autocorrelation (CAZAC) sequences x on the integers ℤ by means of Hadamard matrices. We then generalize this approach to construct unimodular sequences x on ℤ whose autocorrelations A x are building blocks for all functions on ℤ. As such, algebraic relations between A x and A y become relevant. We provide conditions for the validity of the formulas A x+y =A x +A y .
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Notes
- 1.
For the necessary measure theory and definitions of Borel and Lebesgue measure we refer to [7].
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Acknowledgements
The first named author gratefully acknowledges the support of ONR Grant N00014-09-1-0144 and MURI-ARO Grant W911NF-09-1-0383. The second named author gratefully acknowledges the support of AFOSR Grant FA9550-10-1-0441.
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Benedetto, J.J., Datta, S. (2013). Constructions and a Generalization of Perfect Autocorrelation Sequences on ℤ . In: Shen, X., Zayed, A. (eds) Multiscale Signal Analysis and Modeling. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4145-8_8
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