光纤陀螺输出误差的allan方差分析，多元数据分析的主分量分析投影，基于分段非线性权重值的Pso算法，应用小区域方差对比，程序简单，一种噪声辅助数据分析方法,有CDF三角函数曲线/三维曲线图。- allan FOG output error variance analysis, Principal component analysis of multivariate data analysis projection, Based on piecewise nonlinear weight value Pso algorithm, Application of small area variance comparison, simple procedures, A noise auxiliary data analysis method, There CDF trigonometric curve/3D graphs.