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

1986-12-23

1989-02-07

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

048027669

ABSTRACT:
In the present invention, the output signal of a dithered ring laser angular rate sensor and a signal representative of the resultant dithering of the sensor, are each independently signal analyzed to obtain the frequency components contained in such signals. Data pairs of frequency components of the same frequency are signal processed in a manner to derive a compensation or correction signal representative of the dither frequency component in the readout. In turn, the correction signal is subtracted from the readout signal to provide a corrected readout signal substantially devoid of any dither signal component.

REFERENCES:
patent: 4248534 (1981-02-01), Elbert

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