查询词典 polar theory

In this dissertation, the design and optimization of lunar probe orbit has been studied by using the theory and method of spacecraft orbital dynamics, aiming at to launch polar moon satellite from the earth parking orbit, and considering synthetically the problems about the launcher energy, flying time, launch window and orbit navigation. The flying conditions, program and orbit of the lunar probe are given.

本论文利用航天器轨道动力学理论和方法，以从地球停泊轨道入轨点出发发射月球极月卫星的轨道为对象，综合考虑运载能力、飞行时间、发射窗口、轨道导航等问题，进行月球探测器轨道设计与优化，给出月球探测器的飞行条件、程序及其轨道。

This method includes the method of profile data modeling in theory, bound searching method of expansion polar angle corresponding theoretical points and evaluation method of least-deviation profile error.

包括实现轮廓度测量的理论轮廓数据建模方法、对应理论点的扩展极角定界搜索方法以及满足最小条件的最小极偏差轮廓度误差评定方法。

With studying on the kinematics of the polar coordinates processing system, this system is designed according to the theory and the practical processing is completed in this system.

在理论基础上，通过对极坐标系统运动学的研究，设计出该课题研究的极坐标加工系统，可实现在极坐标加工系统中的连续旋转运动与分度运动。

They are all important research topics of matrix theory. In this thesis, we mainly study problems on weighted generalized inverses, weighted polar decomposition, and partial orderings of matrices.

矩阵的广义逆与极分解在数值分析，矩阵逼近等方面都有很重要的应用，是矩阵理论的重要研究内容。

By using the polar decomposition, spectral decomposition, the spectral theory of operators, the intersection of the spectra of operator completions are obtained.

5深刻研究缺项算子矩阵Mx存在逆补的一般性条件，并获得了补矩阵Mx的所有预解集交集的特性。

The software has the following features:(1) it includes large deformation theory based on S-R decomposition theorem first time as well as one based on polar decomposition theorem for comparison the latter is included by most commercial finite element software;(2) three design methods for nonlinear mechanical problem i.e.

采用飞箭软件公司的有限元程序自动生成系统作为软件开发平台，进行"深部软岩工程大变形力学分析设计系统"的合作开发工作。

Then, a method is proposed to maintain the necessary rotation invariance by transforming image matrix to polar coordinate form followed by the proven of the effectiveness in theory and with numeric calculation results.

最后，提出了用图像矩阵的极变换来重建奇异值的旋转不变性，并给出了理论和实例证明。

At the chapters of theory analysis,constitutive equation of dusty is deduced from the results of the experiment and related theories about oblique shock wave.after that relationship of parameters reflecting flow-field characteristic are deduced from theories of shock wave polar .The paper set up conservation equations depicting gas and solid flow-field by double fluid model,thus equations and constitutive equation of granular phase form closed equations.then the paper uses AUSNT vector splitting method to numerically calculate the equations.

理论部分主要包括：利用实验测试结果以及斜激波理论测试出该堆积粉尘的本构方程，然后利用和激波极曲线理论得到反映流场特征参数的变化曲线；本文还利用双流体模型，建立了描述气—固两相流动的守恒型方程组，与本构方程一起构成封闭方程组。

Q: What is the polar shift theory?

问：极地逆转的理论是什么？

In this article some causation of slip and the calculation methods of freely setting station are first discussed,and then combined with the theory of polar coordinates a forecast method through distortion course curve analysis is put forward.

在阐述开挖事故原因的基础上，通过讨论全站仪自由设站的计算方法，并结合极坐标测量空间坐标的原理，提出了应用时空变形过程线分析变形趋势的预测方法，这种方法能够满足基坑安全监测工程的精度要求，并且成本低，速度快，能够为现场安全评估和方案设计提供可靠的数据基础。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。