Dither signal remover for a dithered ring laser angular rate sen

Details Dither signal remover for a dithered ring laser angular rate sen Dither signal remover for a dithered ring laser angular rate sen

1985-05-24

1988-12-13

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

047906588

ABSTRACT:
Readout signals of a dithered ring laser angular sensor are processed by a signal combining circuit which forms part of a closed-loop dither signal remover scheme. The output of the signal combining circuit is demodulated as a function of the dither applied to the ring laser sensor and subsequently utilized to control a correction signal. The signal combining circuit combines the readout signal and the correction signal to yield an output signal stripped of substantially any dither signal components.

REFERENCES:
patent: 4248534 (1981-02-01), Elbert
patent: 4344706 (1982-08-01), Ljung et al.
patent: 4610543 (1986-09-01), Ferriss

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