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Some high efficiency digital signal processing techniques for high speed signal processing systems

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Abstract
Some high efficiency digital signal processing techniques, based on digital filtering are presented for real-time general-purpose, high-speed signal processing systems. At first high efficiency one-dimensional and two-dimensional digital filters are described, both of non-recursive FIR type (using Cappellini window) and of recursive IIR type (using transformations). Further a special technique, introduced by the author, for high-speed digital acquisition and processing with maximum efficiency, that is using the minimum number of sampled signal data for the required processing, is described. This technique using a single digital filter and a frequency shift procedure of the sampled signal spectrum, is particularly useful for performing a band-pass analysis or a spectral estimation with a tree-structure organization. Hardware and software implementationsof the above technique are presented with typical application examples.

URI
http://hdl.handle.net/20.500.12489/67

Report Number
CP-25/2

Source
In: Real-time, general purpose, high-speed signal processing systems for underwater research (SACLANTCEN Conference Proceedings CP-25), Part 2, 1979, pp. 31-1 - 31-10.

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Date
1979/12

Author(s)
Cappellini, Vito

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CP-25_Part2_Cappellini_SomeHighEfficiencyDigitalSignalProcessing.pdf (4.403Mb)

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