Istituto di Scienza e Tecnologie dell'Informazione     
Bedini L., Giunta G., Reggianini R. A different approach to correlation function estimation: the IPFM-based correlation. In: International Conference on Digital Signal Processing -87 (Firenze, Italy, 7 - 10 September 1987). Proceedings, pp. 149 - 153. V. Cappellini, A.G. Constantinides (eds.). North-Holland, 1987.
This paper presents an unconventional approach to estimation of correlation functions. The approach uses a particular information-coding technique, namely Integrative Pulse Frequency Modulation, which permits to compute correlation in a very efficient way. Simulation results have shown a good performance of the method especially at low signal-to-noise ratios, in comparison with conventional techniques.

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