查询词典 singular bivariate normal distribution

Firstly, the effects of vibration signal de-noising among Fourier transform, wavelet decomposition and wavelet packet decomposition were compared. Secondly, the singular value decomposition was applied to de noise vibration signals. Finally, a new de noising method integrated with wavelet packet and singular value was put forward.

首先对傅里叶滤波降噪、小波降噪和小波包降噪的效果进行了对比，然后将奇异值分解技术用于信号降噪，最后提出了一种将小波包和奇异值分解相结合的降噪方法。

The noun "action" is singular ; it is the singular form of "actions".

名词&action&是单数，他是&actions&的单数形式。

When an elastic substrate in half-plane was subject to indentations by a rigid, flat-ended punch, a singular stress field and K-dominant region should arise adjacent to the punch edges. When the intensification of such singular stress fields reaches its critical value, fracture will take place on the surface of the contact boundary.

由于周期阵列刚性压头压在半平面弹性体的表面时，会产生周期的Ⅰ型奇异压应力场，该奇异应力场的应力集中达到一定程度时，即达到临界条件时，该奇异应力场所在的边界将开裂。

The influence of machine auto scoring results of different data standard processing and different semantic space construction methods are compared basing on the analysis of 136 college students' writing test paper.The effect of Singular Value Decomposition and the rules for definition of the K numbers of singular values are discussed.

从136名大学生的短文写作试卷着手，对比了不同的语义空间构造方法和不同数据标准化方法对机器自动评分结果的影响，探讨了SVD的作用和奇异值个数K的取值规律，比较了LSA对不同类型学生的短文写作自动评分结果的差异。

This *** mainly focuses on calculation of the impedance matrix and treating of the singular points. Gauss integration and nine-point integration are used to calculate impedance matrix, and the potential integration method and singular value transfer method are used to solve the integral singularity problem.

本文重点研究了阻抗矩阵的计算及积分奇异性的处理题目，采用了高斯积分法和九点积分法计算阻抗矩阵，用奇异值转移法和位势积分法很好的解决了积分奇异性的题目。

The maximum peak coordinates in curvature spectrum, which indicates the maximum turning point position of singular value, is used to determine the number of effective singular values.

进而提出了奇异值曲率谱的概念，利用它来描述含噪信号奇异值曲线上的转折点情况，并提出根据曲率谱最大峰值位置即奇异值最大转折点来确定有效奇异值个数。

If kind and sort are unambiguously nouns, one would expect to see only singular demonstratives and singular verbs accompanying them

如果 kind 和 sort 是明确的名词，人们应该希望只看到单数指示代词和与之相伴的单数动词

When that happens, instead of the very singular gamma ray energy distribution that happens with a defect, the energy distribution is distinctly different.

这时，能量分配情况截然有别于材料有缺陷时，非常独特的伽马射线的能量分配情况。

It is characterized by determination the maximum tube distribution number according to the even number or singular number of center tube distribution.

该方法可根据中心布管数是奇排列还是偶排列来确定最大布管数，简便易行，计算速度快，对换热器的设计及工艺计算具有实用价值。

So by distinguishing between the very singular energy distribution associated with a defect and the different energy distribution associated with non-defects, PIPA is able to calculate very accurately the level of the defects in the material.

通过区分有缺陷材料的独特的能量分配和没有缺陷材料的能量分配情况，PIPA可以非常精确地计算出材料的缺陷级别。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。