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A Digital Processor to Generate Spectra in Real Time
May 1968 (vol. 17 no. 5)
pp. 485-491
Abstract?A digital processor capable of computing the discrete Fourier transform for a range of audio signals in real time has been built as part of a facility to conduct research in signal processing. The digitized sample values can be complex. The arithmetic unit is configured to perform complex connectives, and automatic array scaling is used to make numerical accuracy independent of signal level. The Cooley?Tukey "fast Fourier transform" is the algorithm used.
Index Terms:
Index Terms?Complex number arithmetic, Cooley?Tukey algorithm, digital communication, digital filtering, fast Fourier transform, real-time signal processing.
Citation:
R.R. Shively, "A Digital Processor to Generate Spectra in Real Time," IEEE Transactions on Computers, vol. 17, no. 5, pp. 485-491, May 1968, doi:10.1109/TC.1968.226927
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