张量

Diffusion tensor imaging is a kind of new technique after diffusion weighted imaging.DTI can reflect anisotropy hydrone molecular diffusion features of damaged myeloid tissue through measuring apparent diffusion coefficient and fractional anisotropy.Accordingly,we can make more precise and allround estimate about spinal compression on microscopic scale.

磁共振扩散张量成像是继扩散加权成像后发展起来的一种新技术，它通过测量表观扩散系数及部分各向异性值来反映损伤脊髓组织的各向异性水分子扩散特征，从而在微观水平对脊髓压迫症做出更精确和全面的评价。

There are a number of inequivalent stress - energy tensors out there.

存在有一些互不相等的应力-能量张量。

Objective To investigate the presence of occult brain tissue damage in patients with relapsing neuromyelitis opticaand its possible mechanism by using diffusion tensor imaging.

目的利用扩散张量成像探讨复发性视神经脊髓炎患者是否存在隐匿性脑组织损伤及其发生机制。

The algorithm is based on the tensor expression of the second-order nondegenerate perturbation formulae of Bloch wave method of many-beam dynamically diffraction theory.

这些数据以被收录到新版《X-射线国际晶体学表》的C卷中。完善了高能电子衍射的非简并微扰理论的张量表述。

It is obvious that, in the interface between substrate and diamond film,there exists the lattice strain effect resulting from lattice misfit because ofthe difference between the lattice constants.The lattice strain effect willcause some nonnegligible influences on the processes of diamond films′growth.

在本论文中，我们首次提出了在异质衬底上研究金刚石薄膜生长机理时必须引入晶格应变效应微扰修正的物理思想，并借鉴固体能带应变微扰理论，首次在分子轨道理论框架下建立起计算晶格应变微扰效应的理论，其中包括提出了计算单个化学键应变张量的方法和由分子轨道波函数计算应变微扰Hamilton矩阵元的方法。

In chapter 2, we have discussed the characterizition of compactly supported refinable splines and showed that m-refinalbe spline in rectangular grids must be homogeneous differential of linear combinition of shifts of product B-splines.

3我们在简单回顾一元小波及其提升分解算法的同时，讨论了这个算法到高维空间的推广，并具体地分析了由本文方法构造的多元非张量积小波的提升分解问题。

It is the first time to give the formulae of non diagonal matrix elements of tensor operator s which can be employed to describe the ro vibrational interaction for linear tetratomic molecules.

利用Lie代数方法研究了四原子分子振转相互作用，在代数框架内首次给出四原子分子振转相互作用的张量算子非对角矩阵元的表达式，利用这些表达式对线型四原子分子HCCF振转相互作用的l doubling进行了计

This paper studies the trifocal tensor and uses it to match the features of image sequences,then through experiment shows that this method can effectively improve the rate,the points and lines of correctly matching.

本文对三视张量进行了研究，将其用于序列影像的点、线匹配，并通过试验证实了该方法能有效提高点、线匹配的正确率。

This paper presents a head detection and trifocal tensor pointer transfer based multi-camera collaboration.

针对复杂遮挡环境下多摄像机协同的问题，提出一种基于三焦点张量点转移的多摄像机协同目标定位方法。

In this approach, people's head position is detected after background subtraction and tracked by Kalman and PDA. Trifocal tensor transfer is used to locate objects in the virtual top view by the corresponding head points in two camera views.

该方法利用单摄像机视图中头部检测的结果进行对极匹配，然后利用虚拟顶视图和摄像机视图之间的三焦点张量关系进行点转移，确定行人在虚拟顶视图中的位置。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。