The optimal feature vectors are extracted from the null space of intrapersonal locality preserving difference scatter matrix, which avoids the singularity and the SSS problem is solved.
通过在个体类内保局差异散度矩阵的零空间中求最优特征向量,避免了矩阵的奇异性问题,解决了小样本问题。
It transforms the double-differential carrier observation equation using null space transformation so that it need not to resolve real-time three-dimensional position parameters.
对单个历元的双差载波相位观测方程进行零空间变换,避免了实时变化的三维位置参数求解;
First, by redefining the within class scatter matrix and the between class scatter matrix, a new null space method was presented.