METHOD FOR CARRYING OUT OPTICAL FIBER GYROSCOPE RING INTERFEROMETER BEAM PHASE MODULATION

FIELD: measurement technology. SUBSTANCE: method involves selecting DELTA value describing auxiliary phase modulation amplitude as radians, where N, n, M are the positive integers and M>=2, N>n. M is equal to 1, radians and n N. When M>=2, angular rotation information on gyroscope is to be...

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Hauptverfasser:	ERMAKOV V.S, KURBATOV A.M, ANDREEV A.G, KRJUKOV I.I
Format:	Patent
Sprache:	eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	FIELD: measurement technology. SUBSTANCE: method involves selecting DELTA value describing auxiliary phase modulation amplitude as radians, where N, n, M are the positive integers and M>=2, N>n. M is equal to 1, radians and n N. When M>=2, angular rotation information on gyroscope is to be taken at frequency where K is the positive integer. If M=1, the frequency is where N, n, M and K are stepwise saw-shaped voltage impulse parameters supplied to broad-band phase modulator. EFFECT: high accuracy and reliability of measurements. 10 dwg, 2 tbl