数学方法是部分子空间法，应用小区域方差对比，程序简单，借鉴了主成分分析算法（PCA），用于特征降维，特征融合，相关分析等,采用偏最小二乘法，包括回归分析和概率统计，isodata 迭代自组织的数据分析，光纤陀螺输出误差的allan方差分析。-Mathematics is part of the subspace, Application of small area variance comparison, simple procedures, It draws on principal component analysis algorithm (PCA), For feature reduction, feature fusion, correlation analysis, Partial least squares method, Including regression analysis and probability and statistics, Isodata iterative self-organizing data analysis, allan FOG output error variance analysis.