查询词典 coefficient

Application of differential coefficient in inequation verification;2. It also elaborates what should be pay attention to while making use of this method to obtain differential coefficient .

本章给出了由分段函数直接求导数再取极限求函数在分段点处导数的方法，并就利用该方法求导数时需要注意的问题进行了说明。

A new method for determination of diffusion coefficient with diaphragm-cell has been suggested, by which the differential diffusion coefficient can be directly determined and a tentative experiment has been done.

提出了膜池测定液相扩散系数的新方法。这一新方法能够直接测定溶液的微分扩散系数，并采用标准物系对上述方法进行了初步的实验验证。

The difference in the absorption coefficient for normal human stomach mucosa/submucosa tissues between 1064 and 532 nm is 53.8%,and the difference in the reduced scattering coefficient for tissue samples between 1064 and 532 nm is 52.2%,and the difference in the optical penetration depth for tissue samples between 1064 and 532 nm is 113%,and the difference in the diffusion constant for tissue samples between 1064 and 532 nm is 110%.

正常人胃黏膜/黏膜下层组织对1064 nm的激光的吸收系数与其对532 nm的激光的吸收系数的差异为53.8%，其对1064 nm的激光的约化散射系数与其对532 nm的激光的约化散射系数的差异为52.2%，其对1064 nm的激光的光学穿透深度与其对532 nm的激光的光学穿透深度的差异为113%，其对1064 nm的激光的漫射系数与其对532 nm的激光的漫射系数的差异为110%。

In final chapter, we will discuss a perturbation method to solve the one-dimension Fokker-Planck equation with a constant diffusion coefficient and time-dependent drift coefficient.

所以我们在论文最后介绍一种新的方法来处理某一种Fokker-Planck方程式，这个方法就是微扰近似法。

According to the theory of flow diffusion and convection, three-dimensional state equation of radon field is established for constant and variable diffusion coefficient and convection rate. The numerical solutions for different coefficient and different boundary conditions are obtained for two models of radon field which have respectively source in the side and inside of collapse column.

根据流体场的扩散理论和对流理论，建立了扩散系数与对流速度为常量或变量情况下的氡气场三维状态方程；对於陷落柱柱体侧面有源氡气场和柱体体内有源氡气场两种理论模型，给出了不同系数和边界条件下的数值解的形式。

Thirdly, fuzzy control method and PID method were used respectively to design temperature self-adjustment controller of carbon fiber concrete laminate beam,by the MATLAB simulation it is found that the PID method has higher speed but is more sensitive to the fluctuation of system parameter ,it is suit to the regulating when the heat transfer coefficient fluctuates diminutively and the structure has little heat transfer with the environment;fuzzy control can be adapt to the parameter variety in a large scale , it is suit to the regulating when the heat transfer coefficient fluctuates greatly.

分别采用PID和模糊控制策略设计了温差自调节控制器，通过MATLAB仿真研究得出：PID方式具有更快的调节速度，但对系统参数变化较敏感，适合系统与外界对流交换较微弱，对流参数波动不大时的调节；模糊控制能够适应系统参数在较大范围内的变化，适合对流参数波动较大时的调节。

The information Radon coefficient wrap-around of the line on a finite field was caused by the modular arithmetic so that the Radon coefficient information in the periodic oscillations direction was processed with discrete cosine transformation, and other direction information was processed with wavelet analysis in order to reduce the wrap-around of rebuilding information. At the same time, according to the characteristic of the noise, one kind of denoising threshold selection plan was proposed.

正交有限脊波分析处理信息时，有限域平面上的直线由于模运算的存在而引起信息Radon系数的卷绕，为此，对Radon系数周期振荡方向的信息采用离散余弦变换处理，其他方向信息采用小波分析处理，以减少卷绕对信息重建影响；同时，结合图像信息中噪声的特点，提出了一种去噪浮动阈值的选取方案。

The time evolution of two-atom entanglement displays periodic entanglement and disentanglement when the coupling coefficient of Stark effect is much smaller, while the disentanglement will disappear when the coupling coefficient of Stark effect is much larger.

当 Stark 效应耦合系数很小时，两个原子间纠缠度的时间演化特性呈现周期性纠缠和退纠缠现象；当 Stark 效应耦合系数很大时，原子间退纠缠现象消失，即原子始终保持在纠缠状态。

A parallel split iteration algorithm for MIMD distributivity memory cluster on solving linear coefficient matrices is established in chapter three. Convergence is proved when the coefficient matrix is Hermite positive definite matrix or M-matrix. Discussing convergence range of parameter T . In the end, examples have been implemented on HPrx2600 cluster, and the data verify that the algorithm has favorable astringency and parallelism.

研究了一种适合于MIMD分布式存储并行机的交替方向法，理论上证明了在系数矩阵为Hermite正定矩阵和M-矩阵时算法的收敛性，讨论了参数τ的收敛范围，最后在HPrx2600集群上进行数值试验，结果表明此算法有良好的收敛性与并行性。

According to the Marr's visual theory, a novel face image presentation model, dual attribute graph , is put forward in the thesis. Each node of the graph has two attributes, local principal component coefficient and Gabor coefficient. So the presentation of face image can be converted from gray level to more high level.

根据Marr的视觉表示理论，本文提出了新的人脸图象表示形式---双属性图表示，属性图中每个节点有两个属性特征，局部主成分系数特征以及Gabor系数特征；从而将人脸图象的灰度级表示，转化为更高一级表示。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。