查询词典 existence of extremum

The method for parameters estimation based on fractional differenced whitening filter is proposed, the essentiality of which is to find out a factor by calculating the extremum of the statistic test expression for the output.

最后提出基于该滤波器的参数估计方法，其实质是通过计算输出信号的统计测试表达式的极值获得分形参数。

Utilizing the extremum theory of function to obtain the minimum radius of curvature of theoretical profile, and factors that affecting the minimum radius of curvature were discussed, thus provided theoretical basis for the studies of the continuous contact transmission of swinging movable teethed central gear meshing pair, contact stress and meshing stiffness etc..

利用函数极值理论得到理论廓线的最小曲率半径，讨论了最小曲率半径的影响因素。为摆动活齿中心轮啮合副的连续接触传动、接触应力和啮合刚度等的研究提供了理论基础。

The performance model of the vehicle is based on the characteristics of internal combustion engine and ISG motor. Data of optimal operating points for training ANFIS system is obtained by finding the extremum of a multivariable function. An ANFIS system is designed and developed to control the torque distribution for ISG hybrid vehicles.

根据发动机的万有特性和ISG电机效率特性进行了混合动力系统性能的数值模拟，采用求解多元函数极值的方法确定混合动力汽车最佳工作点，作为ANRS系统的先验知识，建立实时转矩分配控制模型，并对整车性能进行仿真。

sobel operator is one of common image fringe detection techniques, using image element's left and right, top and bottom neighborhood field's ash degree weighting algorithm, basing on the principle of reaching extremum at the fringe dot, we carry through fringe detection.

sobel算子是图像边缘检测中常用的方法之一，利用像素的左、右、上、下邻域的灰度加权算法，根据在边缘点处达到极值这一原理进行边缘检测。

The monotony and extremum theory of function are applied to prove the geometrical characteristic of error hand for 2D linear segment uncertainty ε(subscript σ) model in theory. The result shows that the error hand has the geometrical shape of "larger ends and smaller middle" or "one end larger and the other smaller". The minimum width and its exact position of the error hand are calculated too. It is proved that the minimum width position of the error hand is near the end with the smaller mean square error.

运用函数单调性和极值理论，从理论上证明ε模型的误差带的几何特征；得到线元误差带不仅具有&两端大、中同小&，而且也可能具有&一端大、一端小&的几何形状；给出了误差带的最小带宽及其位置；论证了误差带的最小误差带宽的位置靠近中误差较小的一端。

First it selects a 3×3 neighborhood.According to whether gray value of arbitrary pixel is its neighborhood's extremum,all pixels are divided into doubtful noises pixels and signal pixels.Then it constructs 8 templets of orientation gradient for each doubtful noise,makes the sure of the noises sets according to the magnitude of 8 values of orientation gradient.

该算法首先对含有噪声的图像取3×3邻域，判断某点是否为邻域极值将全部像素点分为可疑噪声与信号点集合；其次对每一个可疑噪声点在其3×3邻域内构造八个方向的梯度算子模板，通过比较8个方向梯度的大小，进一步确定其是否为噪声点；最后对噪声点进行邻域的中值滤波。

For the limitation of current license plate location measurement methods,a new algorithm is presented,using complicated texture,sharp-cut contrast and exterior to get the contrast energy,based on extremum region of convolution energy.

针对现有车牌定位方法的局限性，提出了一种基于灰度图像求取卷积能量极值区域的车牌定位新方法。该方法充分利用车牌的纹理复杂、对比度鲜明、外型规则等特征构造车辆图像的能量图，然后通过选取能量区域定位车牌。

Based on the modeling theory of the equivalent probability density error model(marked as "Tepdem") and the numerical algorithm,this paper provides an approach on how to ascertain a point location with the highest coordinates precision between both of the adjacent characteristic points on a generic curve accurately by use of the theory of function extremum as well as the iterative algorithm,and it also provides the method on how to obtain the least width of "Tepdem" exactly,from which,the explanation of geom...

基于等概率密度误差模型建模原理和数值算法，运用函数极值理论和迭代方法来求解平面一般曲线上两相邻特征点间位置精度最高的点，以精确确定误差模型的最小带宽，从理论上给出等概率密度误差模型的几何特征，从而进一步完善矢量GIS的位置不确定性理论。通过实例计算与可视化分析，验证了理论推导的正确性。

Each optimizing method has its strong point. On the point of view of math, optimizing for motor design is a process for extremum point for a nonlinear, restricted recessive function. Genetic Algorithms G.A.

从数学角度上来说，电机的优化设计就是一组非线性、有约束条件的隐性函数求极值问题，目前比较成熟的优化方法主要有遗传算法、模拟退火法与Tabu法等，其中以遗传算法应用最为广泛。

On the basis of analyzing their concept and constitute, the author commits the existence of successive principal, successive accessory, but the existence of successive instigator is impossible, because abetment is the cause of criminal will and can only be applied before criminal acts, but the characteristic of successive accomplice is that perpetrator has begun to proceed with the implementation of crime, so the abetment is impossible.

论文第四部分是对承继共犯刑事责任的认定。笔者首先介绍了共犯承担刑事责任的一般情形，并对其作了简单的展开和论述。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。