查询词典 inversion problem

Based on the comparison with particle swarm optimization algorithm,quantum particle swarm inversion algorithm is studied in this paper.

在与微粒群算法进行比较的基础上，研究了量子微粒群反演算法。

As for the parametric space calculation to find an optimal 3D point, the Tangent Vector Inversion is presented so as to cut down iteration.

针对求解曲面上最优点的参数域反算问题，引入了切矢逆求方法，可使迭代次数大为降低。

In a word, the absolute TEC inversion method is better.

综合而言，绝对TEC反演法是更优的方法。

Moreover, the comprehensive application of new methods and technology is an inevitable trend in the research of basin-orogen integration for inversion tectonics.

此外，新方法技术的综合运用是盆山一体化反转构造研究的重要支撑和必然趋势。

This dissertation discusses four problems that have relations with these topics. These problems are, i seismic moment tensor representation for explosions in ellipsoidal cavities and their seismic radiation patterns in the farfield; ii seismic waves from point sources in transversely isotropic media; iii yield-estimation by mb or mb for Chinese underground nuclear explosions and, iv simultaneously inversion for source parameters of underground nuclear explosions and parameters of apparent Lg Q for paths from source to stations.

本文讨论与此课题有关的椭球腔中的爆炸的地震矩张量表示及地震波辐射图案，各向异性介质中的点源激发的弹性波，由Lg波震级或Lg尾波震级估算地下核爆炸当量，由Lg波位移谱反演地下核爆炸震源参数及相关路径的Lg波视衰减参数等四个方面的问题。

Therefore, 3D inversion should include all tensor elements if possible.

因此，在三维反演时应尽量反演所有的张量元素。

Controlled-release membrane was prepared based on the phase inversion method in which circulated urea particles were coated with polyethylene and olefin dispersed in tetrachloroethylene solution. The effect of atomizing on the membrane structure and nutrients release characteristics was investigated systematically.

利用喷雾相转化法将聚乙烯和石蜡溶于四氯乙烯的溶液喷射到处于流化状态的大颗粒尿素上，制备控制肥料养分释放的控释膜，系统地研究了喷雾－相转化－成膜过程中雾化状态对控释肥料膜结构和养分释放性能的影响。

In addition, we make use of the Trench algorithm to save the computation complexity of the Toeplitz matrix inversion required in the proposed algorithms, The Trench algorithm needs only O.

再者可以利用Trench演算法来搭配实现Toeplitz反矩阵进而只需要O的运算量。

For example the first inversion of the tonic triad of C major may be sounded with the middle note an octave higher, giving E - C - G, with G forming a compound third with the bass E.

例如，C大调主音三和弦的第一转位与中间音发出高于八度的音，E - C – G，G和低音E构成复三度。

In this dissertation we put forward the means of computing tangent space coordinates usingpseudo-inversion based on the matrix trace function derivative rules.

本文中提出了基于矩阵迹函数求导法则的"伪逆法"求解切线距离中切线空间坐标的方法。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。