本文导出了概括平差模型中各种自协因数阵的秩，讨论了Q_z的秩对分组平差的影响。
This paper derives the rank of various autocofaetor matrices in the generalized adjustment model , and discusses the effects of rank (Qx) on indirect grouped adjustment.
在第5节，我们用偏序集拟阵的余秩函数来研究偏序集拟阵与其对偶之间的关系。
In Section 5, we use the corank function of poset matroids to investigate the relationship between a poset matroid and its dual.
以秩强映射或强映射为态射的拟阵范畴中的范畴同构都是拟阵同构。
It is shown that the categorical isomorphisms in the category of matroids with either rank strong maps or strong maps as morphisms are isomorphisms in matroids sense.
本文对降秩多元线性模型的参数阵提出了一类有偏线性估计，讨论了许多重要的性质，从而把降秩模型中参数阵的估计问题转化为满秩模型中参数阵的估计问题。
In this paper we define a class of biased linear estimators for the parameter matrix in the multivariate linear model with deficient rank and discuss some important properties.
然后，通过对误差方差阵逆矩阵秩的分析，比较详尽地分析了不同数量视线观测条件下导航算法的可观度和可观性。
Then, navigation system observability and observable degree with different quantitative line-of-sight measurements are analyzed in detail by rank analysis of the error variance inverse matrix.
然后，通过对误差方差阵逆矩阵秩的分析，比较详尽地分析了不同数量视线观测条件下导航算法的可观度和可观性。
Then, navigation system observability and observable degree with different quantitative line-of-sight measurements are analyzed in detail by rank analysis of the error variance inverse matrix.
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