向量的模

A novel Eigenvector Method for the calculation of resonator modes and beam propagation is developed.

发展了一种新颖的適用於光腔模式及光束传输模擬计算的特徵向量法。

Then the detected signal was decomposed into a sum of finite intrinsic mode functions by empirical mode decomposition. The normalized kurtosis value of the main IMF components was analyzed, and the eigenvectors of the detected signal could be extracted.

用动态压力变送器获取了管道的动态压力信号，利用经验模态分解的方法将信号分解为多个固有模态函数之和，选择主要的IMF分量进行归一化峭度分析，从而提取信号的特征向量。

For the slight damage of latticed shell structures, a damage characteristic vector with good properties is presented based on the phenomena of mode localization and transition.

针对网壳结构的轻度损伤，基于模态局部化和跃迁现象，提出了一种性质优良的损伤特征向量。

The method takes and combines the advant- ages of both the subspace iteration method and Ritz vecter method.

0引言 目前求大型结构部分模态参数已有许多成熟的方法，如R八z向量法川子空问迭代法，1和Lonozo。

In this article,we mainly study the space-like submanifolds with parallel mean curva-ture vector,constant scalar curvature or constant square length of the second fundamental form,respectively.We obtain some pinching theorems and rigidity results by estimating Laplace of the square length of the second fundamental form of the such submanifolds and using yaus maximum principle or Stokes Theorem.

本论文主要研究de Sitter空间中具有平行平均曲率向量、常数量曲率或第二基本形式模长平方是常数的三类类空子流形，并通过分别估计三种情形下子流形的第二基本形式模长平方的Laplace，利用Yau的极大值原理和Stokes定理，获得了这些子流形的一些拼挤定理和刚性定理。

The first several left singular vectors of the decomposed matrix are used to calculate contribution of each sensor candidate.

用分解后的前几个左奇异向量计算每一个自由度对于结构模态的贡献。

A fault diagnosis approach based on intrinsic mode singular value decomposition and support vector machines is put forward.

摘要提出了一种基于内禀模态(Intrinsic mode functions，简称IMFs)奇异值分解和支持向量机(Support vector machine，简称SVM)的故障诊断方法。

Lanczos method is optimized in LDLT triangular decomposition 、 vector reorthogonalization and result judgement. At the same time a new method of result judgement is brought forward, and named mode compare method. The example proves the optimized results of the method.

在LDLT三角分解、向量重正交及丢根判断等步骤上，对Lanczos算法进行了多步优化，同时提出了新的丢根判断方法——模态比较法，并给出算例对优化效果进行了验证。

In this paper,the intimate data method is used to assess the water quality of the South Feihe River. Fourteen monitoring points are taken,and the COD cr , TP, NH 3-N are utilized as assessment items. The assessment results are compared with those obtained by the vector module method,which indicates that the presented method is practical. An order of the contamination degree of monitoring points is also given.

文章对合肥市南淝河水环境质量用密切值法进行了综合评价，评价项目取该河14个监测点的主要污染物CODcr、TP及NH3-N等3项监测指标作为评价因子，得出了评价结果并对污染程度进行了排序；与向量模评价法进行比较，结果表明该方法切实可行。

X(k+1)\}=AX\}(1) where A is an n×n fuzzy matrix, the n-tuple fuzzy vector X(0) is a starting state, AX are products of fuzzy matrices in the sense of max-T and T is a triangular norm.

考察如下模糊离散动力系统X(k+1)=AX (1)其中A为n阶模糊方阵，系统初态X(0)为n维模糊向量，AX为max-T 意义下模糊矩阵的乘积， T为三角模。

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。