光纤陀螺光纤环的热致非互异性研究

研究了光纤环受温度影响产生非互易相移的机理,根据光纤陀螺在实际应用中的环境温度的干扰,建立了直观合理的光纤环时变温度场分布模型,在此基础上对陀螺的热致非互异噪声进行了定量分析。针对不同绕制结构的光纤环,对其温度漂移进行了数值模拟和比较,提出了减小和补偿光纤环热致非互异噪声的方法及相关技术。

Study on the thermal-induced nonreciprocity of sensing coil of FOG

The principium of the nonreciprocity of the coil which affected by temperature change was investigated.A temperature distribution model of the coil was set up according to the application.Based on the model,an analysis on the output error caused by the temperation change inside the FOG was made.According to the simulation and comparing of several different techniques of the winding,some methods for reducing and compensating the thermal-induced nonreciprocity noise of the FOG were proposed.