在对二维理想磁流体力学方程组采用多步隐格式进行数值处理后,利用长时间渐近方法计算得到了太阳风的盔状流动解。
After treating the two-dimensional ideal MHD equations with a multistep implicit scheme, we obtained a helmet streamer solution of the solar wind near the sun by use of the numerical method.
在通过对任一正整数提出另外一种唯一分解式的基础上,利用初等方法得到了关于立方补数的几个有趣的渐近公式。
On the basis of requesting another factorization of an integer in only one way, two interesting asymptotic formulas on cub complements are obtained through the elementary method.
重正化群方法已成为获得这类问题精确解的一致有效渐近展开式的有用工具。
Renormalization group method is an effective tool to obtain the uniformly valid asymptotic expansion exact solutions of this kind of problems.
本文用摄动方法求得了活塞行程的渐近周期解,且为周期性外力求出合理的周期。
This paper by use of perturbation method found asymptotic periodic solution of piston stroke, and found rational periodic for periodic external force.
利用渐近分析方法研究了远场来流引起的对流对过冷熔体中球状晶体的生长形态的影响。
The influence on the growth morphology of the spherical crystal in the undercooled melt imposed by the far field flow is studied by the asymptotic method.
提出了一种新的分析非线性电路平衡点全局渐近稳定的方法。
A new method is introduced to analyze the global asymptotic stability of the equilibrium point of nonlinear circuit.
利用经典大偏差的方法,在一定的条件下,得到了相应概率的对数渐近式及测度族的大偏差原理。
By traditional method of large deviations, we obtain the logarithmic asymptotic for the probabilities and large deviation principle for the corresponding measures.
通过渐近均匀化方法给出了预测FRC整体三维本构关系的解析表达式。
Based on the asymptotic homogenization method a global three-dimensional constitutive relation for viscoelastic FRC was formulated.
在广义延迟系统渐近稳定的前提下,分析了用块方法求解广义延迟系统数值解的稳定性。
On the basis of the asymptotic stability of generalized delay differential equations(GDDEs), the numerical solutions of one block methods for GDDEs were analysed.
运用分歧理论、固有值的解析摄动理论和渐近展开的方法,获得了共存时间周期解的存在性和稳定性。
The existence and stability of periodic solution are studied by using the bifurcation theory, linear stability theory and the method of asymptotic expansion.
本文将非均质弹性体的渐近均匀化方法应用于复合材料的宏观与细观分析之中。
In this paper, the method of asymptotic homogenization for periodic media is employed for predicting macro and microscopic properties of unidirectional composites.
本文介绍了增量式模糊控制(ifc)的原理与设计思想,指出IFC是FC系统实现渐近稳定控制的有效方法。
This paper introduces the principle and design thought of Incremencal Form Fuzzy control (IFC) and points out that IFC is an effective method for Fuzzy System to realize asymptotic stability control.
利用摄动方法求出了相应模式的渐近解。
Using the perturbative method the asymptotic solution of the corresponding model is obtained.
采用多李亚普诺夫函数方法设计控制器的切换律,系统在此切换律下可以达到渐近稳定。
Multiple Lyapunov functions method is introduced to design the switching law between controllers, the system is asymptotically stable under the switching law.
理论分析和仿真结果都表明估计结果具有渐近无偏性和一致收敛性,该方法辨识精度高,具有良好的实用性。
The theory analysis and simulation results show that the estimation is asymptotically unbiased and has strong consistency, and that the new method is very efficient and practical.
运用分歧理论,隐函数定理,以及渐近展开的方法,获得了非平凡周期解的存在性。
The existence of co-exist periodic solution is investigated by using the bifurcation theory, the implicit function theorem and the method of asymptotic expansion.
然后应用反迭代法与边界层渐近匹配的方法求解了钝锥边界层的稳定性方程,得到了钝锥边界层转捩数据。
The Rayleigh inverse-iteration method and boundary layer asymptotic expansion method are used to solve the blunt cone boundary layer stability equation to get reliable boundary layer transition data.
建模采用渐近均匀化方法。
然后利用摄动方法证明了这个问题解的存在唯一性,同时给出了解的渐近展开和误差估计。
The existence and uniqueness theorem of its solution is proved by the perturbation method and the estimation of error for its approximate solution is given.
本文应用渐近匹配方法探讨了孤立波遇到二维柱体时的透射与反射问题。
The matched-asymptotic expansion method is adopted to solve the problem of transmission and reflection of a planar soliton on a two-dimensional floating body.
本文提出用切断法解连续桁架的方法,并认为这一逐次渐近解法是解算连续桁架的计算方法中最简单的一种方法。
A method to analyse continuous trusses using cutting method is suggested in this paper, and it is recommended as the simplest method for calculation of continuous trusses.
用等价预测碰撞线代替预测碰撞线,只需要探测视线的角速度,使需要探测的参数减少。文中还提出了外扰动常驻条件下,渐近稳定系统的设计方法。
If predicted collision courses are replaced with equivalent collis'on courses, this method only needs to measure the rotation rate of the Line-of-Sight, therefore, the measured parameters are reduced.
渐近波形估计(AWE)方法是数值计算中一种非常有效的外推方法。
The method of asymptotic waveform evaluation (AWE) is a very efficient extrapolation method in numerical computation.
文章阐述了求有理函数曲线的渐近线,不仅可用常规的通过求极限值的方法来确定,还可用初等方法来确定。
This article elaborates the solution of asymptote of rational function curve, pointing out both the common way of finding limit value and the elementary way.
密度进化方法是分析现代高效纠错编译码渐近性能的新方法。
Density evolution is a new method for analyzing the asymptotic performance of near capacity limit error-correcting codes.
这种方法以矩阵分解为工具,结合平衡点的渐近稳定判据,用分解矩阵的稳定性决定平衡点的全局渐近稳定性。
This method takes the matrix resolving as a tool, combined with criterion of progressive stability and determines the equilibrium point by stability of matrix resolving.
证明了此统计量是渐近正态的,并利用蒙特卡罗方法对统计量的渐进分布做了统计模拟。
It is proved that the statistics is asymptotic normality, and simulation of the statistics's asymptotic distribution is carried out with Monte Carlo method.
我们研究了这些方法的强相合性,渐近正态性和渐近有效性。
The strong consistency, asymptotic normality and asymptotic efficiency of these methods are proved.
我们研究了这些方法的强相合性,渐近正态性和渐近有效性。
The strong consistency, asymptotic normality and asymptotic efficiency of these methods are proved.
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