用谱方法计算流体力学一些流动现象的整体稳定性,最终的权值矩阵就是滤波器的系数，光纤陀螺输出误差的allan方差分析。- Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, The final weight matrix is ??the filter coefficient, allan FOG output error variance