Algorithm finds frequency and phase of sinudoidal signal in presence of noise. Algorithm is special case of more-general, adaptive-paramenter-estimation techniques. Computational requirements of algorithm comparable to corresponding fast-Fourier-transform (FFT) algorithm. Algorithm works directly in time domain, whereas FFT algorithm transforms data into frequency domain for estimation and detection and requires secondary algorithm to interpolate between frequencies.
Least-Squares Frequency-Acquisition Algorithm
NASA Tech Briefs ; 12 , 7
1988-07-01
Sonstige
Keine Angabe
Englisch
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