NASA NTRS · 19750000070
Fourier waveform analyzer
Abstract
Real-time Fourier analysis is provided by "bucket brigade' charge-transfer shift register. Device is small, inexpensive integrated circuit which does analog-to-digital-to-analog conversion, data processing, and time delay.
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Sutton, J. F.. 1975-05-01. Fourier waveform analyzer. https://ntrs.nasa.gov/citations/19750000070
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