Istituto di Scienza e Tecnologie dell'Informazione     
Corsini P., Frosini G. DFT transformers for the evaluation of successive periodograms. In: Fifth Summer Symposium on Circuit Theory (Kladnositna, House of Culture, 1977). Proceedings, pp. 3 - 13. 1977.
Two DFT transformers for evaluating in real time modified periodograms of partially overlapped segments of a sampled signal are presented . The first transformer works whatever may be the data window for which every segment is multiplied, while the second transformer, which has a reduced complexity, requires that the data window is rectangular.

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