为了达到卫星三轴姿态确定的精度要求，以某一对地定向的小卫星为研究对象，提出了基于滤波算法的星敏感器和光纤陀螺组合定姿的方案。
A filtering algorithm for high precision attitude determination of a specific satellite is presented based on star-sensors and fiber optic gyroscopes (FOG).
偏振轴方位的精密探测和对准是保偏光纤应用中的关键技术。
The precision detection and alignment of the polarization axis are the key techniques in the applications of polarization-maintaining optic fiber.
在近轴近似下，给出了这种光纤端的光学传递矩阵。
Under the paraxial approximation, the optical transformation matrix of the upside down taper lens fiber end is given.
椭圆纤芯保偏光纤光栅两个轴的温度灵敏度和应变灵敏度都相同。
Both axes of elliptical core PMF exhibit the same responses to temperature and strain.
在MTS伺服机上进行了单轴压缩实验，借助光纤光栅对加载过程进行了测试。
Rock uniaxial compression experiment on MTS was conducted, and the loading course was tested by using FBG.
熊猫型和领结型保偏光纤快轴的温度灵敏度大于慢轴，而应变灵敏度快轴小于慢轴。
Fast axis of panda and bow-tie PMFs is more sensitive to temperature than slow axis, while slow axis has higher sensitivity to strain than fast axis.
本发明还涉及所述方法所采用的装置，可以更加快速的搜索到保偏光纤的所在方位角，从而提高定轴速度和定轴精度。
The invention also relates to the adopted device, can more quickly search polarization maintaining optical fiber azimuth to increase axle fixing speed and precision.
光纤陀螺与温度相关误差项主要为零漂和标度因数，输入轴失准角也是影响光纤陀螺应用的一个重要误差项。
The errors of FOG involved with temperature are zero bias and scale factor. Input axis misalignment is another important error with temperature.
光纤陀螺与温度相关误差项主要为零漂和标度因数，输入轴失准角也是影响光纤陀螺应用的一个重要误差项。
The errors of FOG involved with temperature are zero bias and scale factor. Input axis misalignment is another important error with temperature.
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