singularities

Method of Power System Fault Detection Based on Wavelet Singularity Detection

基于小波奇异性检测的电力系统故障检测算法

Contrary to the standard big bang space-time singularity, these big bounce singularities are found to be event horizons at which the scale factors and the mass densities of the universe are finite, while the pressures undergo a sudden transition from negative to positive infinities.

与标准的大爆炸模型相对，该反弹奇异性对应于一个事件视界，此时标度因子和宇宙的物质密度是有限的，然而压强经历了一个从-∞~+∞的一个转换。

The third part discusses this model with singularity theory.

第三部分用奇异理论对这个模型进行了研究。

In order to eliminate the false singularities in the Fringe Components of Equivalent Edge Currents expressions, this paper extends the treatment of false singularities of diffraction coefficients in the Physical Theory of Diffraction into the Fringe Components of Equivalent Edge Currents expressions.

为消除等效电磁流边缘分量表达式中虚假奇异点，将物理绕射理论中处理绕射系数的虚假奇异点的方法推广到等效电磁流边缘分量表达式中。

In the developed method, all singularities were extracted and calculated in closed form. Secondly, in order to analysis Frequency Selective Surfaces ( FSS) which is loaded by dielectric, finite element tearing and interconnecting method and parallel multilevel fast multipole approach are adopted.

其次，为了分析含有介质加载的频率选择表面，有限元部分采用有限元撕裂对接法，边界积分部分采用并行快速多极子技术。

The Determination of the Singularity Thresholds of Soil Cd in Daxing, Hefei Using Fractal Method

基于分形方法确定合肥大兴地区土壤中Cd元素的异常下限

My refusing to eat flesh occasioned an inconvenience, and I was frequently chid for my singularity.

我不吃肉,带来种种不便, 于是常因这种怪癖受到责备.

Time dependence of entropy flux and entropy production for a stochastic system with double singularities driven by non-Gaussian noise

非高斯噪声驱动的双奇异随机系统的熵流与熵产生

Kinematic model of the Milky Way singularities treatment for manipulator inverse kinematics evaluation

银河系运动学模型机器人运动学反解中的奇异点处理

A class of fifth system with one twenty-one order singularity

一类有21阶奇点的五次系统

Firstly, particular emphasis will be placed on characterizing and visualizing the physical as well as mathematical nature of the singularities, and singular momentum surfaces.

首先，重点对奇异的物理、数学本质以及其所形成的奇异面进行了表征和可视化。

According to the theory of wavelet transformation, the singularities of the signal are corresponding to the series of maximum-minimum pairs.

根据小波变换的理论，信号的奇异点对应于其小波变换的一个正模极大值与负模极大值对。

The Basic Theory and Development of Singularity Expansion Method

奇点展开法的基本理论及发展状况

But, by calling singularities into question, they spell trouble for relativity.

然而对奇点这一问题的争议却给相对论提出了质疑.

But complex calculations by Ashtekar's team show that singularities are not allowed by quantum gravity.

但阿贝·阿西提卡团队的进一步计算表明量子引力不允许奇点的存在.

These results show that the nonlinear eigenvectors may cause singularities.

这一结果说明非线性特征向量也可能引发奇性.

Time Optimal Control for Integral Control Systems with Weak Singularity Kernel

具弱奇性核的积分控制系统的快速控制问题

Singularities and nonlinear vibration of elastic straight bars in thermal field under harmonic excitation

弹性直杆在温度场中的非线性振动与奇异性

Integrals of Functions with Several Singularities by Aid of Stokes Formula

应用Stokes公式计算有多个奇点的函数的积分

The singularities and inverse kinematic solution of the DELTA robot are discussed.

讨论了DELTA机构的奇异形位和运动学逆解等.

The culmination of the work on singularities is two famous transformation theorems.

奇点研究的顶峰是两个著名的变换定理.

In order to overcome difficulties occurrence of essential singularities we use different methods for different problems.

本文对不同的问题采用不同的方法克服了奇性的困难.

It is shown that by suitably varying the truncation parameter, the phase singularities reorganize themselves.

结果表明，通过合适地改变截断参数，焦面上位相奇点会重新分布。

Singularities of the mixed state phase.

奇性的混合态阶段.

The Discontinuous Space-Time Finite Element Method for Two-dimensional Quasilinear Parabolic Equation with Singularities

二维拟线性奇异抛物问题的时空间断有限元法

Experimental results demonstrate that the system trend is not affected by the isolated singularities but is mostly controlled by the aggregated singularities.

实验表明，孤立奇异点不影响系统走势，而聚集奇异点对系统走势影响较大。

A method of detecting seismic singularities using combined wavelet with fractal

基于小波与分形理论的地震异常检测

Some current antenna mounting systems used in the satellite communication and their corresponding singularities are described.

分析了卫星通信中几种常见的天线支撑结构及其奇异性问题.

Studies on stress singularities around an electrode in electrostrictive materials

电致伸缩材料内电极附近应力奇异性研究

The ridgelet transform is a new directional multi-resolution transform, which is more suitable for describing signals with high dimensional singularities.

Ridgelet变换是继小波变换之后提出的一种新的多尺度变换，它能比小波变换更好地表达高维线性奇异性。