英语人>网络例句>局部的 相关的搜索结果
网络例句

局部的

与 局部的 相关的网络例句 [注:此内容来源于网络,仅供参考]

Furthermore, we will discuss the corresponding decay rates problem when the viscous term tends to zero.The first part is about the local existence. We will regularize the equations by the standard mollifier to get the approximate solutions . Then by making uniform estimates to the approximate solutions and by passing to the limit, we obtain the local existence for the above problem.

我们主要研究了此方程组古典解的局部存在性,爆破准则以及通过粘性消失方法来研究如上方程组的局部存在性和收敛率问题,主要结论有:(1)解的局部存在性利用光滑子对方程组进行正则化,从而得到原方程组的逼近解。

At present,the hybridization of Differential Evolution with local search method confines to DE with a crossover based local search method.A novel differential evolution algorithm with best-individual based Local Search strategy is proposed.In LSDE,a normal distribution operator is introduced to automatically modify search length,and time-varying factors are introduced to modify the two parameters of DE.

针对目前差分进化与局部搜索相结合仅局限于基于交叉的局部搜索的方法,提出了一种基于最佳个体局部搜索策略的差分进化算法,并引入正态分布算子自动调整搜索步长和时变差分进化因子调整DE的两个参数。

In this implementation, the evolutionary algorithm is hybridized with the simulated annealing algorithm and the hill climbing heuristic. The main aspects are as follows. The Metropolis criterion of the simulated annealing algorithm is introduced to select the offspring in order to make the algorithm more effective to escape the local optimum. In terms of the hill climbing heuristic, the local normal perturbing mutation operator based probability selecting is developed to enhance the local searching of the algorithm.

其主要工作是将进化算法与模拟退火算法及爬山方法相组合,引入模拟退火算法中Metropolis接受准则选择子代,提高算法跳出局部最优解的能力:借鉴爬山方法思想,构造了基于概率选择的局部正态摄动变异算子,以强化进化算法局部细搜索能力;同时进化算法以多种群方式实现,在降低计算时间的同时提高算法收敛到全局最优解的概率。

A novel image matching method based on the partial projection entropy difference was proposed. This image matching method has very good anti-geometrical distortion properties.

由于局部投影熵反映的是图像的局部统计特征,因此基于局部投影熵差的图像匹配方法具有较好的抗几何失真能力。

In the light of the Daxi period,the Qujialing stage and the Longshanstage,Chapter Two is devoted to an elaborate explanation of the nonlineardevelopment of the neolithic culture of the area,from the partial differen-tiation,the partial integration to the whole differentiation.

第二章依大溪期、屈家岭期和龙山期,全面地分析了该区域新石器时代文化从多体文化的局部分化、局部整合到大分化的非线性发展过程,具体而言,大溪文化经历了由早期发展到分化的过程,而螺蛳山文化和青龙泉一期文化则是局部整合的结果。

The ultra -- high -- frequency and ultra -- wideband partial discharge detecting methods is newly put forward. It is important for development of partial discharge de...

本文简明扼要地阐述了局部放电信号的物理本质和超宽频带检测原理,运用自行研制的超宽频带局部放电检测系统,研究了典型放电信号和干扰信号的本征特征,为进一步建立超宽频带局部放电检测指纹库、提高绝缘诊断的准确性奠定了基础。

The principle of partial discharge detection of gas insulation switchgear with ultra high frequency is discussed.A 220 kV GIS bus bar cavity is adopted as a test object to design and simulate four typical defect models in GIS.The PD signals produced by the four models are obtained via the PD detection system,which is developed by the authors on the basis of the narrow band UHF method.

为了提高GIS运行的可靠性,笔者简要说明了超高频法检测GIS局部放电的原理,并在实验室以一段220 kV电压等级的GIS母线为试验对象,设计和模拟了GIS中典型的4种局部放电模型,并使用自主研发的超高频窄带检测系统对其局部放电信号进行检测。

A new approach for pattern recognition of ultra-high frequency signals of transformer partial discharge based on multi-scale analysis of wavelet packet and grid dimensionality is proposed, in which the multi-scale transform of wavelet packet is used to extract wavelet coefficients of UHF PD signals and by means of improving difference box-counting method the grid dimensionality of multi-scale wavelet coefficients is calculated and the multi-scale grid dimensionality is taken as the characteristic quantity that is used in the recognition of UHF PD signals.

提出了一种基于小波包多尺度分析和网格维数的变压器局部放电超高频信号模式识别的新方法,采用小波包多尺度变换提取局部放电超高频信号在多尺度上的小波系数,通过改进差盒计数法计算多尺度小波系数的网格维数,并将多尺度网格维数作为特征量用于局部放电超高频信号的识别。

Then convolve the fingerprint image with the matched filter for removing noisy and increasing the contrast of ridges and valleys.

论文作者根据指纹图像中局部纹线方向和宽度选择相适应的滤波器进行滤波,并采用了一种用于指纹图像增强的匹配滤波方法,以局部纹线方向和局部纹线频率来构造一组与纹线方向和宽度相关的滤波器,最后达到去除噪声和增强峰谷对比度的目的。

Finally, the forming and localization course of shear band of tungsten alloy material have been analyzed. The influence of thermodynamics parameter of density, static yield stress, specific heat coefficient and heat conducted coefficient on shear-localized of tungsten alloy has been contrastively and individually analyzed through changing magnitude of each parameter. The result has shown that static yield stress and specific heat coefficient have bigger influence on the shear-localized of tungsten alloy.

最后对钨合金材料中的剪切带的形成和局部化过程进行了分析,并且在分别改变密度、静态屈服应力、比热容及热导率等热力学参数下,对比分析了它们对钨合金剪切局部化的影响程度,结果表明改变静态屈服应力和比热容对钨合金剪切局部化的影响较大。

第37/100页 首页 < ... 33 34 35 36 37 38 39 40 41 ... > 尾页
推荐网络例句

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力