NASA NTRS · 19920000507
Simplified Digital Spectrum Analyzer
Abstract
Spectrum analyzer computes approximate cross-correlations between noisy input signal and reference signal of known frequency, yielding measure of amplitude of sinusoidal component of input. Complexity and power consumed less than other digital spectrum analyzers. Performs no multiplications, and because processes data on each frequency independently, focuses on narrow spectral range without processing data on rest of spectrum.
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Cole, Steven W.. 1992-09-01. Simplified Digital Spectrum Analyzer. https://ntrs.nasa.gov/citations/19920000507
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