Method and apparatus for distortion free measurements

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer

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372 94, 348607, G01C 1964

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active

053371410

ABSTRACT:
The present invention provides a method and apparatus for removing systematic distortion from measurements of an observable parameter. The method and apparatus of the present invention is particularly useful for removing systematic distortion in phase angle measurements of ring laser angular rate sensors.

REFERENCES:
patent: Re29460 (1977-10-01), Mills
patent: 4074264 (1978-02-01), Wilmot
patent: 4207624 (1980-06-01), Dentino et al.
patent: 4273970 (1981-06-01), Favin et al.
patent: 4353092 (1982-10-01), Bailey et al.
patent: 4445779 (1984-05-01), Johnson
patent: 4504146 (1985-03-01), Morgan
patent: 4513286 (1985-04-01), Irabu
Li, W. H., "Some Design Considerations . . . Unknown Noise", Apr. 1980, pp. 1-75, NTIS AD-A123 99014; abst as.
Kuiak et al, "Influence of . . . Ring Laser", Oct. 1976, pp. 625-631, Zh Prikl. Spektrask., vol. 25, #4; abst as.

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