一种基于Allan方差方法的激光陀螺性能评价方法

Laser Gyro Performance Estimate Method Based on Allan Variance

Allan方差分析方法是一种在时域上对频率稳定性进行分析的通用方法,它可以有效分离各种误差的相互影响,辨识出各项误差系数,国内外广泛采用该方法对激光陀螺进行分析。该文讨论了一种简便的激光陀螺性能评价方法,并对某国产激光陀螺的输出数据进行分析,实验结果表明,国产激光陀螺在采用倍频电路后量化噪声大大减小,不但提高了对各误差系数的估计精度,同时需要的数据量也大大减少。

Allan variance method is a common tool to analyze frequency stability in time-domain. It is be widely used to analyze laser gyro's performance. A simple and convenient laser gyro performance estimate method was discussed. And a laser gyro which made in china was analyzed with the method.