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perturbations相关的网络例句

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

Robust strict positive real stabilization problem is formulated, and related stabilization criteria for uncertain systems with parameter variations and unstructural perturbations estabilished by Wei are derived.

把Kokame-Mori关于区间多项式阵的稳定性结果一般化到了矩阵的每个元素不再仅是一个区间多项式,而是多个区间多项式在多项式环上线性组合的情况。

In this paper, the effects of the rigid body motions and low frequency surface errors on the image quality were analyzed. Quadratic equations were used to build the mathematical model of the Wolter type I and II X-ray telescopes and reduce the computational complexity of ray tracing. With the help of a self-developed optical surface analysis code, the effects of the perturbations of the mirrors on the image quality was analyzed and the growth of the image spot formed by deformed telescopes was calculated, this is important for giving the reasonable fabrication tolerance.

在本篇文章中,详细分析了刚体运动误差和低频表面误差对成像质量的影响;使用空间解析几何学的二次曲面方程建立Wolter I、II型X射线掠入射望远镜镜片的数学模型,降低光线追踪的计算复杂度;借助自主开发的光学仿真软件分析了国内研制的X射线成像望远镜的刚体运动误差和低频表面误差对成像质量的影响,计算出像点艾里斑半径均方根值随误差变化的增长率,对工程上提出合理的制造公差的误差容限有重要的指导意义。

The I/O linearization method is applied to solve the mismatching problem of nonlinear perturbations in the system.

根据电堆温度机理模型,我们提出了变结构控制系统设计方案,快速平滑趋近律和快速收敛滑动模态被设计用来削弱抖振对系统的影响,并采用输入/输出线性化方法来解决系统中的摄动非匹配问题。

The contrasting isotope data between 850 Myr ago and the Neoproterozoic suggest that the terrestrial expansion of photosynthesizing communities preceded the significant climate perturbations of the late Precambrian glaciations, and was followed by a rise of O2 ref.

对比850百万年前和新元古代的同位素数据表明陆地光合作用群落生物的爆发应当先于晚前寒武纪冰川作用的气候变动。

In Section 2.2,we present a delay predator-prey system with stage structure on predator and impulsive perturbations on prey,the predating products is used to increase the predators ability of birth.

在本章第二节中,我们又构建了一个捕食者具阶段结构与食饵具脉冲扰动的捕食系统,其中捕食者捕食食饵是为了增强生育能力。

The main reason causing the defects and low angle boundaries in SC casting is the perturbations of heat flow and the slight misorientation at the S/L interface. An uniform and unidirectional heat flow is required to produce a single crystal casting free of low angle boundaries or splaying

单晶组织中由于晶体取向与热扩散场综合作用因素造成的亚单元生长形态的改变是造成单晶缺陷的主要原因,控制均匀、严格单向性的热场,并利用单晶生长的各向异性特性,可以避免发散型枝晶组织和小角度晶界的出现。

It truncates the Born scattering serial to the first order term which bring divergence. The image perturbations must be linearized to the same order.

高阶部分的丢失必然带来巨大的截断误差,因此剩余成像必须也进行线性化,以适应大速度扰动和大延拓步长。

The perturbations of westerlies due to the Tibetan Plateau and RockyMountains are computed.

在地形存在的边界条件下,获得了该方程的解答。

The problem of spherical cavitated bifurcation was examined for a class of incompressible generalized neo-Hookean materials, in which the materials may be viewed as the homogeneous incompressible isotropic neo-Hookean material with radial perturbations.

[1]上海大学数学系,上海市应用数学和力学研究所,上海200072 [2]上海大学数学系,上海市应用数学和力学研究所,上海200072//烟台大学数学与信息科学系,山东烟台264005

This means that slight perturbations of the star might cause enormous ejections of matter from its surface.

这意味着,星的轻微的扰动也许导致问题的极大的排斥从它的表面。

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