查询词典 vector density

A phase angle of the fading vector which is subjected to the weighted-averaging is compared with a phase angle of the fading vector which is subjected to the weighted-averaging calculated previously.

受到加权平均的衰减矢量的相位角被与受到预先计算的加权平均的衰减矢量的相位角相比较。

Also. the phase difference between response vector and control vector could be obtained through the algorithm. As a result, the important base is established for the phase-shift vibration control of intelligent structure.

同时，矢量算法还可以得到响应信号矢量与控制矢量之间的相位差，为结构振动的移相控制奠定了重要基础。

Network analyzers provide a method for measurement of frequency translating devices and these methods are more accurate and can save more time. According the principles of scalar network analyzer and vector network analyzer the authors introduced methods to measure conversion loss of frequency translating devices using scalar network analyzer and methods to measure conversion loss and phase using vector network analyzer.

摘 要：网络分析仪为测量变频器件提供了快速而准确的测量方法，根据标量网络分析仪和矢量网络分析仪的测量原理，详细介绍了用标网测量变频器变频损耗的方法，以及用矢网测量变频损耗和相位的方法。

According the principles of scalar network analyzer and vector network analyzer the authors introduced methods to measure conversion loss of frequency translating devices using scalar network analyzer and methods to measure conversion loss and phase using vector network analyzer.

摘 要：网络分析仪为测量变频器件提供了快速而准确的测量方法，根据标量网络分析仪和矢量网络分析仪的测量原理，详细介绍了用标网测量变频器变频损耗的方法，以及用矢网测量变频损耗和相位的方法。

Research reflected light refraction and vector-vector changes in the law, discuss the extra path difference, the phase phase-shift, model and so on plane of polarization revolving optical phenomena.

研究反射光矢量和折射光矢量的变化规律，讨论额外程差，位相相移，偏振面旋转等典型的光学现象。

Regarding to the multi-granularity of and analysis demand of stock index futures transaction data, this article proposed a classification method based on support vector machines. Tangent plane solution of support vector machines is established by introducing geometrical solution. Therefore, investors can be classified based on straightforward transaction data.

针对股指期货成交数据的多粒度性以及成交数据分析的需求，本文提出在解决噪声、多粒度数据分类问题方面有突出优越性的支持向量机分类方法，引入几何求解方式，提出了支持向量机的切平面解法，根据成交数据直观地对投资者进行分类。

The Nusselt number increased slightly then dropped down quickly with the increase of magnetic strength in the plane of the magnetic field vector; while in the plane perpendicular to the magnetic field vector, the Nusselt number decreased with the increase of the magnetic strength.

在平行磁场平面内，努塞尔数先随着磁场的增强略有增加，在强磁场作用下又迅速减小；在垂直磁场的平面内，努塞尔数随磁场增强逐步减小。

In order to study the expression and functional characteristics of dehydrin gene during different growth, and make the polycolonal antibody, using wheat plumelet under the water deficit condition as experiment material, and its total RNA was extracted. The target dehydrin gene through RT-PCR was got, connect to the cloning vector PUCM-T, recombination expression plasmid PET-32a-wzy1-1 was constructed according to recombination of cloned vector PUCM-T-WZY1-1 of wheat dehydrin gene in this experiment.

为研究小麦在不同时期脱水素基因的表达情况和生物学功能及抗体制备，以小麦幼芽为材料，经干旱胁迫处理后，提取总RNA，通过RT-PCR得到小麦类脱水素基因片段(WZY1-1)，再连接至克隆载体PUCM-T，并成功构建重组表达质粒PET-32a-wzy1-1，将阳性重组质粒转化于受体菌BL21(DE3)感受态细胞中，经IPTG诱导表达，进行表达产物的聚丙烯酰胺凝胶电泳检测。

The moment of a force; the measure of a force's tendency to produce torsion and rotation about an axis, equal to the vector product of the radius vector from the axis of rotation to the point of application of the force.

转矩，力矩一种测量产生扭转和绕轴旋转趋势的力的单位，等于从旋转轴到力作用点的旋转矢量

Pokeweed antiviral protein belongs to Ribosome-inactive Proteins. PAP has potent antiviral activity against many plant virus. pT1 was used as the template to amplify the deleted mutant PAP gene (N-deleted and N-,C-deIeted) by PCR and then the two genes were cloned into expression vector. Different IPTG-inducible expression vector containing different deleted mutant PAP gene was constructed and transferred into E.coli strain BL21 (DE3)-plysS.

美洲商陆抗病毒蛋白是一类能很好的抑制植物病毒的蛋白，很早就有报道低剂量的商陆叶片粗粉末就能明显的抑制TMV在菜豆叶片上局部枯斑的形成，PAP缓释剂也已用于病毒病的防治工作，但美洲商陆抗病毒蛋白属于核糖体失活蛋白，它对生长的细胞会有一定的毒性。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。