- 作者: 林正道; 郭坤煌; 吳政庭
- 作者服務機構: 彰化師範大學工業教育研究所
- 中文摘要: 光纖陀螺儀的精度在導航系統低轉速直飛的狀況下,因訊號微弱及處於非線性失真操作區,而產生精確度的惡化。然而,若以二個電光補償器能對光纖陀螺儀作等強度而反向偏壓的方式,則在歸零鎖相補償下恰能使原惡劣條件,轉成在最佳條件下操作。對於此種精確度的改良方式,文內從學理及實驗二方面去探討發現確有顯著效果。
- 英文摘要: The accuracy of a fiber-optic gyroscope (FOG) system is at its worst state in the straight-fly conditionsince the rotation signal then is small, and the nonlinear distorsion is serious. However, we can bias twoelectro-optic modulator with equal amplitude but opposite directions, and use the phase-nulling compen-sation scheme to lock up the FOG system at its optimal operation point. The improvement in accuracywill be verified both from theoretical principle and experimental results.
- 中文關鍵字: fiber-optic gyroscope; biased; doube-phase-nulling
- 英文關鍵字: --