作者研究了在周期性负荷扰动下电力系统安全盆的分形侵蚀,通过数值仿真给出了不同的扰动值对安全盆的侵蚀程度。
The fractal erosion of safe basin in a power system disturbed by a periodical load is studied, and the erosion extent induced by different disturbance values is numerically analyzed.
并利用分形几何方法对各控制因素进行了复杂性研究,提出并探讨了活动断裂系统概念及研究方法。
Especially with the method of fractal geometry, the thesis has discussed how to study the complexity of each factor.
我希望探索所发现的新几何——分形几何对设计与新媒体艺术的重要性。
We explore the importance of new geometry-Fractal geometry towards the design and new media art.
文章通过对HP295复杂板形产生的原因进行分析,并采取了有针对性的措施,使HP295的板形得到了有效的改善。
By analyzing the cause of the complex plate shape of HP295, this article has proposed specific measures to improve the plate shape of HP295.
利用数学归纳法证明算法对任意多个离散点三角形网格剖分的正确性,并通过试验验证了算法的可行性。
The mathematical induction is used to prove the correctness of the algorithm towards the triangle mesh of random multi-points, and the experiment proves its feasibility.
利用该方法对V形坡口进行了金属熔化极气体保护电弧焊的跟踪试验,试验结果验证了所用方法的有效性。
Tracking experiment of MIG on V shape welding groove is made with this method, and the experiment result validates the validity of this method.
具有实验性、探索性的分形图形能超越我们的想象,对图形创造中人类思维的局限性具有某种突破性的启示。
The fractal images with exploring and experimental nature surmounts our imagination breaks through the limitation of human thought and gives birth to the graph creation in enlightenment.
基于分形几何理论,推导出了滑动摩擦力分形预测模型,并从理论上对该模型的正确性进行了分析。
A fractal prediction model of sliding friction forces was derived based on the fractal geometry theory. The validity of the model was verified theoretically.
文章以一个三角形的物体为目标,对所提出的方法进行了仿真试验,结果证实了这种识别方法的有效性。
In this paper, computer simulation experiments of recognition and tracking of a triangle object have been done and the results demonstrate that the proposed scene recognition method is very effective.
还采用一个三角形的物体为目标,对所提出的方法进行了仿真试验,结果证实了这种识别方法的有效性。
Computer simulation experiments of recognition and tracking of a triangle object has been done and the results demonstrate that the proposed scene recognition method is very effective.
应用结果表明,该方法对苹果果形的判别准确度高达95%,且直观性强、鲁棒性好,具有较好的灵活性。
The experiment result demonstrates that the (accuracy) is up to 95% and the method has good visibility, high flexibility and strong robustness.
通过理论研究和对实测曲线的分析,结果表明冻胀曲线具有良好的自相似性,可以利用分形理论对冻胀曲线进行描述。
It is found that the frost heave curve has a good self-similarity, and the fractal theory can be used to describe the frost heave curve.
从理论上研究了在主动型栅扫描束流配送系统下,靶体运动对靶区剂量均匀性以及重离子治疗适形程度的影响。
The influences of target motion on dose homogeneity and conformity degree were theoretically studied under the condition of the active raster-scanning beam delivery system.
由于压汞过程中的汞对孔隙凸凹的填充,使得孔隙流通通道均匀化,因此和压汞过程相比,退汞过程的分形结构因子普遍较小,即退汞流动通道的均质性增强。
As the filling of mercury in the knaggy pore space made the pore flow channel more uniform, the fractal factor in the mercury ejection process is smaller than that of mercury injection process.
用该软件对三个圆筒形试件的实际淬火过程进行计算,考察了该软件在不同材质、几何尺寸和淬火规范下的有效性。
Calculations of three specimens different in material properties, geometrical size and quenching schedule are performed. And the validity of the software is then investigated.
从理论上阐明了铝热轧板形对冷轧带材平直度控制的重要性。
The importance of hot rolled profile to flatness control of cold rolling is also clarified in theory.
方法:对31例单侧完全性唇腭裂婴幼儿进行术前鼻-牙槽骨塑形及同期唇-鼻-牙槽骨整复术。
METHODS: 31 cases with unilateral complete cleft lip and palate underwent early simultaneous lip-nose-alveolar repair following presurgical nasoalveolar molding.
介绍了镐形齿的几何形状、材料、工艺及截齿的配置等情况,并对其可靠性及寿命进行了分析。
The geometry, material, processing and arrangement of pick are introduced, and the reliability and the life are analyzed.
设计了一种基于区域划分的分形图像压缩方法,这种方法根据拼贴误差最小原则合并相邻子区域对,将图像划分为一些具有局部自相似性的不规则形状区域。
A method of the fractal image compression based on region partition is designed, which is used to merge the neighboring sub-regional pairs according to the principle of the least collage errors.
为了减少多边形之间重叠性判断的计算量,在本文中采用了临界多边形算法,并对现有的临界多边形算法提出了改进。
To reduce calculation of overlapping judgement, algorithm of no-fit polygon is employed to guarantee that shapes are not overlapping in the paper, and existing algorithm of no-fit polygon is improved.
针对直流系统中环网对接地故障检测的影响,提出利用分形的思想,初探性研究分形对环网故障的识别。
According to the influence of loop net on DC system fault detection, this paper presents a new idea based on Fractal theory to study how Fractal can identify the loop net fault.
为了防止拼写错误,避免歧义讹用,正确阅读和翻译英语文献,对形近词的进一步的探讨有其必要性和实用价值。
It is necessary to discuss similar words so as to prevent spelling mistakes, avoid wrong word and read and translate English materials correctly.
并提出对给定的凸而单调的型值点列判断这种保形插值存在性的算法。
An algorithm is presented which determines if there exists such a shape preserving interpolation for convex and increasing data points given.
本文基于分形市场理论及对中国股市的实证研究,提出了开放式基金防范信息性风险的有效策略。
We propose some effective strategies of preventing informative risk in open-end funds based on the empirical investigation of China Stock Market and on the fractal theory in this paper.
利用分形理论研究了琼西抱板群金含量分布的分数维结构特征,并对其含金性作出评价。
According to fractal theory, this paper studies the fractal dimensions of gold contents in Baoban Group, western Hainan.
对筒形基础海洋平台的静稳性进行了理论分析,提出了平台在大、小倾角两种情况下的稳性分析方法。
The static stability of offshore platform with bucket foundation is analyzed theoretically, and stability analyzed methods of the platform with small and large Angle of inclination are discussed.
重点对产业集聚效应的相似性分析和产业集聚规模结构无标度性分析,即产业集聚规模结构的分形维数分析。
It focuses on the industrial agglomeration effects of the similarities analysis and the structure scale of industrial agglomeration fractal dimensions analysis.
研究了石蜡(PW)和低密度聚乙烯(LDPE)的含量、粉末装载量和脱脂方法对脱脂保形性的影响。
The influences of the content of PW and LDPE, the powder loading amount as well as the degreasing method on the shape holding in metal injection molding are investigated.
研究了石蜡(PW)和低密度聚乙烯(LDPE)的含量、粉末装载量和脱脂方法对脱脂保形性的影响。
The influences of the content of PW and LDPE, the powder loading amount as well as the degreasing method on the shape holding in metal injection molding are investigated.
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