本文研究极分解和广义极分解。
This paper concerns the polar decomposition and generalized polar decomposition.
利用矩阵的极分解，导出了逆特征值问题的最佳逼近解。
The optimal approximate solution of this inverse eigenvalue problem also was given by means of the polar decomposition of matrices.
本文通过变分途径建立了变形梯度张量的极分解和加法分解之间的联系。
Through a variational approach, the passage from the additive decomposition to polar decomposition of deformation gradient has been completed.
本文主要研究有关矩阵的加权广义逆，加权极分解和矩阵偏序等方面的问题。
In this thesis, we mainly study problems on weighted generalized inverses, weighted polar decomposition, and partial orderings of matrices.
通过对方向矩阵进行极分解构造聚焦矩阵，把各个窄带频率处的信号子空间变换到聚焦频率处的信号子空间。
Focus matrix is constructed by polar decomposition of location matrix and transforms signal subspace at different frequency bins to signal subspace at focusing frequency bin.
地球两极的大冰原一旦开始融化就会快速地分解，而海平面每世纪升高几米也不是危言耸听。
The ice sheets at the poles can disintegrate rapidly once they start melting, and sea-level rises of a few meters per century are not unheard of.
本文提出了利用关联矩阵进行查询分解优化的具体过程和算法。这种方法极利于在计算机上实现。
The actual procedure and algorithm for query decomposition optimisation with association matrix is proposed, and is convenient to be performed on a computer.
由于乙烯爆炸性分解，在反应管壁厚上形成极陡的温度梯度和幅度很大的热应力。
The explosive decomposability of ethylene will lead to much large temperature gradient and great range thermal stresses response on thick wall of reactor.
前三处理蔗糖酶、脲酶、过氧化氢酶、纤维分解酶、多酚氧化酶的酶活性都较清耕有显著或极显著提高；
The activities of sucrase, urease, catalase, cellulolytic enzyme and polyphenol oxidase of the former three treatments were all significantly higher than in the cleaning tillage.
沥青混合料是有毒物质，靠自然分解时间极长，将对环境造成极大的影响。
Bituminous mixture is the mixture of toxic substances, by the natural decomposition of a very long time; it will cause a great impact on the environment.
结果表明，脂肪的分解代谢在品种间差异不显著，而月龄间差异极显著，即随着年龄的增长，其脂解率明显下降。
The result indicated: there were no significant differences of lipolysis between breeds, but with the age increasing the lipolysis was significantly decreased.
将阻塞过程中的大气运动流场分解为正、斜压流场，研究了它们在乌拉尔山偶极型阻塞个例中的演变特征。
The atmospheric flow is divided into barotropic and baroclinic flow fields in a dipole blocking case over the Ural mountains.
将阻塞过程中的大气运动流场分解为正、斜压流场，研究了它们在乌拉尔山偶极型阻塞个例中的演变特征。
The atmospheric flow is divided into barotropic and baroclinic flow fields in a dipole blocking case over the Ural mountains.
应用推荐