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MECHANICALLY DITHERED RING LASER GYROSCOPE [1 record]
Record 1 - internal organization data 2001-06-21
Record 1, English
Record 1, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 1, Main entry term, English
- mechanically dithered RLG
1, record 1, English, mechanically%20dithered%20RLG
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- mechanically dithered ring laser gyro 2, record 1, English, mechanically%20dithered%20ring%20laser%20gyro
correct
- mechanically dithered laser gyro 3, record 1, English, mechanically%20dithered%20laser%20gyro
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
... for a mechanically dithered RLG [ring laser gyro], non-linearities (sidebands) appear in the input-output scale factor curve for an input rotation rate which is a harmonic of the dither frequency... There are two disadvantages to dithering. One is that the rotation rate periodically passes through zero where lock-in occurs. This results in a "random walk" angular position error. The other is that the vibration of the gyro body may affect other components or the gyro may be affected by other vibration sources. The laser gyro need not be mechanically dithered. The same result may be achieved by optical devices. 1, record 1, English, - mechanically%20dithered%20RLG
Record number: 1, Textual support number: 1 OBS
dither: To periodically tilt from side to side. 4, record 1, English, - mechanically%20dithered%20RLG
Record 1, Key term(s)
- mechanically dithered ring laser gyroscope
- mechanically dithered laser gyroscope
Record 1, French
Record 1, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 1, Main entry term, French
- gyrolaser agité mécaniquement
1, record 1, French, gyrolaser%20agit%C3%A9%20m%C3%A9caniquement
masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
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