Method of producing noise free frequency spectrum signals

Details Method of producing noise free frequency spectrum signals Method of producing noise free frequency spectrum signals

1990-03-14

1994-03-15

Harvey, Jack B.

Boots, shoes, and leggings

364485, G06F 1520

Patent

active

052950867

ABSTRACT:
Method of making a spectral analysis of a free induction decay signal picked up by a pulse nuclear magnetic resonance spectrometer. The sine component and the cosine component of the signal which are .pi./2 out-of-phase are sampled. The resulting data is analyzed by the Sompi method extended to the complex domain. The Sompi method utilizes an autoregressive model.

REFERENCES:
patent: 4314347 (1982-02-01), Stokely
patent: 4916646 (1990-04-01), Papoff et al.
"A New Method of Spectral Analysis and Its Application to the Earth's Free Oscillations: The `Sompi Method`", Sadaki Hori, Yoshio Fukao, Mineo Kumazawa, Muneyoshi Furmumoto and Akihiko Yamamoto, Journal of Geophysical Research, vol. 94, No. B6, pp. 7535-7553, Jun. 10, 1989.

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