特征参数

A characteristic parameter,which can describe the metallization reliability, and an online way to monitor the electromigration of VLST are defined.

提出了平均晶粒直径作为能够表征金属化可靠性的特征工艺参数的概念和金属化可靠性在线评价方法。

The key of the method is parameter estimation and feature selection for the CRFs model.

该方法的关键在于模型的参数估计和特征选择。

Two practical methods based on eigenanalysis, minimax theorem and quadratic programming are proposed to estimate the frequency of sinusoidal signals with unknown lowpass envelopes from the single experiment data.

基于特征分析、极小极大定理和二次规划，提出了两种超分辨率窄带信号频率参数估计方法，分别称之为EMT和EQP方法。

A series of molybdenum carbide catalysts were prepared using 20%CH4-H2 to carburize molybdenum trioxide at different temperatures. The catalysts were characterized using X-ray diffraction, X-ray photoelectron spectroscopy and N2-adsorption. Their catalytic performance was evaluated in the model reaction of the dry-methane reforming to synthesis gas. Here, the characteration of bulk and surface Mo2C catalysts and its influence on the catalytic performance were described.

以MoO3为前驱物，于20%CH4-80%H2的混合气体(100 mL/min)中，在不同设定终温下进行碳化，制备了一系列不同碳化终温的Mo2C，通过XRD和XPS等手段进行了表征，并对其甲烷二氧化碳重整制备合成气的催化性能进行评价，讨论了碳化终温作为Mo2C的制备参数，与所制备的Mo2C体相、表面特征和催化剂性能的关系。

It describes the heteroskedasticity character of interest rate by projecting the sample data onto the EGARCH (1, 1) auxiliary model, makes making the covariance matrix as moment conditions and uses EMM to estimate the parameters. EMM avoids the disadvantage of infeasible or computationally intensive of maximum likelihood functions.

通过将观测数据映射成EGARCH(1， 1)辅助模型描述利率行为的异方差特征，以协方差矩阵为矩条件，用有效矩估计方法得出模型参数，避免了最大似然估计法似然函数不可知或难以求积分的缺陷。

Should emphasize every nearly end linkapply the brake , make moment of momentum of human body give end link far withmore rational route transmission, improve the movement pace effectively, increase theresult of attacking .

旨在找出下劈技术的差异性和共同特征，总结出高质量完成这一动作的运动规律和技术特点，取得了影响下劈技术动作的运动学参数，为跆拳道教学和训练提供定量的数据和理论参考。

The proposed method first uses common subtractive clustering locating method to acquire video object position and moving object number of each frame. Then, the proposed algorithm uses fuzzy C-means clustering algorithm to further cluster the moving object foreground pixel samples. Finally, matrix analysis theory for calculating eigenvalues and eigenvectors of covariance matrix is applied to compute the object scale and orientation parameters.

该算法在减法聚类算法预定位目标位置及获得目标个数的基础上，进一步采用模糊C均值聚类对目标前景样本进行归类，最后通过对目标前景样本协方差矩阵特征值和特征向量的分析获得目标的尺度及方向参数，从而实现对视频运动目标的定位。

The aim of these researches is to improve the work performance and reliability of switching devices and finish the protection and control of the power supply system. This work is based on the design of VCB with multiple breaks and vacuum arc of high current in short-gap is studied.

本文探讨真空开关电弧外部形态特征和内部等离子体参数的诊断，旨在提出相应的调控理论以提高开关装置的工作性能和指标，完成电力系统的保护和控制任务。

It has discussed the polyhedron modeling, the feature-based 3D mannequin surface modeling , the human parameters surface modeling and the 3D mannequin modeling based on the condition of the net border lines.

对多面体建模、基于特征的服装人体曲面建模、参数化的曲面建模、以网格边界线连续为条件的三维人体建模方法作了详细的论述。

In order to solve the fault location problem, this paper analyzes the electric structure of automatic blocking and continuous power transmission line, investigating the transient characteristics of traveling waves generated by different fault in the lines on the basis of traveling wave theory. The results show that transient process of earth fault and short fault in neutral noneffective grounding systems produce aerial mode component of traveling waves with steadyparameters.

为了解决自闭/贯通线路故障自动定位问题，分析了自闭/贯通线路电气结构的特殊性，以行波理论为基础研究了接地故障和相间短路故障产生的暂态电压、电流行波特征，发现接地故障和相间短路故障都存在参数比较稳定的行波线模分量。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。