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boundary value problem相关的网络例句

查询词典 boundary value problem

与 boundary value problem 相关的网络例句 [注:此内容来源于网络,仅供参考]

The no-penetration boundary condition is satisfied by placing a vortex sheet along the boundary, which strength must be adapted to cancel the slip velocity on the boundary induced by all the other flow components.

本论文以Leonard之面积扩散涡漩法及Huang之涡泡分裂融合修正法为基础,开发一满足无滑移、无穿透边界条件之数值模拟工具。

Motivated by the i dea o f t he v ariable-structure c ontrol, t he c onception o f a pproaching region and leaving region of the switching boundary is developed. The sufficient conditions of whether sliding mode occurs or not on the switching boundary are obtained. Under the assumption of the switching delay time being positive, the sufficient conditions of quasi-sliding-mode occurring on the switching boundary are given.

受变结构控制思想的启发,提出切换线的趋近域和远离域的概念,进而得出系统在切换线上是否会发生滑动模态的充分条件。

At first, preprocessing with the image pyramid and diffusion-filtering technology; then abstracting the boundary-outline information; carrying on the logarithmic coordinate transformation of the abstracted boundary-outline information to get bar chart of the logarithmic coordinate; calculating the value of Cs to get all the phase match points; calculating the value of the degree of approximation to judge the shape matching.

本发明涉及一种基于Shape Context的人脸形状匹配方法,首先采用图像金字塔及扩散滤波技术进行预处理;再利用Canny边缘检测算法和轮廓提取算法提取边界轮廓信息;对提取的边界信息进行对数极坐标变换,得到对数极坐标直方图;通过计算Cs值,获得所有相匹配点;计算相近似度值,进行形状匹配判断。

Nonlinear Riemann boundary value problems and nonlinear Hilbert boundary value problems will be studied in this paper, because they have been researched seldom.

对于非线性的Riemann边值问题和非线性的Hilbert边值问题研究很少,本文试图在这些方面做一些工作。

Motivated by this, we consider the global behavior of positive solutions of three-point boundary-value problems for second-order differential equations, under two different kinds of boundary-value problems, using fixed point theorem, fixed point index theorem and cone theory.

本文受到文献[7]的启发,运用不动点定理、不动点指数定理以及锥理论,分别研究了两种不同边值条件下二阶微分方程三点边值问题正解的整体性。

Special attention should be paid when we apply the decomposition method to two-point boundary value problems, it is necessary to solve a algebraic system;It should be noted that a modification of inverse operator should be made when dealing with singular boundary value problems;Laplace transform and Pade approximants can be coupled to enhance the efficiency of the decomposition method.

比如,在求解两点边值问题时就需要特别注意,这时需要采用待定系数法,最后会涉及到系数方程组的求解;在处理奇异边值问题时需要重新定义逆运算;不少研究人员还把分解方法与Laplace变换和Padé逼近相结合来进一步提高分解方法的精度。

Thirdly,we study certain Riemann boundary value problems and Singularintegral equations with values in a universal Clifford algebra 〓,by com-bining the classical methods of solving Riemann boundary value problems andsingular integral equations with the Taylor's expansion of regular function in Clif-ford analysis,proving a lemma which is similar to the Painleve theorem in theclassical complex analysis,and the Plemelj formula in Clifford analysis,we obtainthe better results under weaker condition than before.

第三,本文第一次借助于用来解决经典的Riemann边值问题与奇异积分方程的方法来研究Clifford分析中的某些Riemann边值问题与奇异积分方程,获得了在比以前文献中条件更弱的情况下,结论更广的结果,并且,它为更进一步地解决在Clifford分析中一般的Riemann边值问题与奇异积分方程提供了基本的解决思想,为这一新的研究领域奠定了基础。

Results:1 CT demonstrated clear boundary and homogenous density in symptomless, near oval and symmetry. Normal cross section areas of scalene anterior muscle is 1.3793±0.0948cm2, normal CT value is 54.594±2.0106; 2 Cross section form of patient anterior scalene muscle is irregulation, adherence to tissue around, boundary not pure. Statistics display this area and CT value has obvious significant difference in symptomless group and patient group(P.01); 3 After one course, it shows 87.5%/100% of success rate and valid rate respectively in the short-term, as well as 71.8%/93.75% in the long-term.

结果:1 无症状者前斜角肌横断面形态双侧对称,成近椭圆形,轮廓清晰,与周围组织界限清楚,两侧横断面面积及CT值相近,C6上缘-C7上缘水平正常前斜角肌横断面面积为:1.3793±0.0948cm2 ,CT值为:54.594±2.0106;2 前斜角肌综合征患者患侧前斜角肌横断面形态不规则,与周围组织粘连,界限不清,统计显示患侧横断面面积较正常值增大,P<0.01,差异非常显著,CT值较正常值增大,P<0.01,差异非常显著;3 手法治疗1疗程后,随访显示近期优良率87.5%,有效率100%,远期优良率71.8%,有效率93.75%。

Results:1 CT demonstrated clear boundary and homogenous density in symptomless, near oval and symmetry. Normal cross section areas of scalene anterior muscle is 1.3793 0.0948cm2, normal CT value is 54.594 2.0106; 2 Cross section form of patient anterior scalene muscle is irregulation, adherence to tissue around, boundary not pure. Statistics display this area and CT value has obvioussignificant difference in symptomless group and patient group(P.01); 3 After one course, it shows 87.5%/100% of success rate and valid rate respectively in the short-term, as well as 71.8%/93.75% in the long-term.

结果:1无症状者前斜角肌横断面形态双侧对称,成近椭圆形,轮廓清晰,与周围组织界限清楚,两侧横断面面积及CT值相近,C_6上缘-C_7上缘水平正常前斜角肌横断面面积为:1.3793±0.0948cm~2,CT值为:54.594±2.0106;2前斜角肌综合征患者患侧前斜角肌横断面形态不规则,与周围组织粘连,界限不清,统计显示患侧横断面面积较正常值增大,P<0.01,差异非常显著,CT值较正常值增大,P<0.01,差异非常显著;3手法治疗1疗程后,随访显示近期优良率87.5%,有效率100%,远期优良率71.8%,有效率93.75%。

On the basis of Nagumo′s existence theorem for the singular case, we obtain the existence of solutions of singular equations satisfying nonlinear boundary value conditions and periodic boundary value conditions by means of approximations.

在Nagumo型存在定理的基础上,我们应用逼近的方法给出了奇性方程满足非线性边值条件和周期边值条件的解的存在性。

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