查询词典 iterative

First, the paper proves the well-posedness of the encryption and decryption problems, which provides theoretical bases for experiments of encryption and decryption; Then presents a fast iterative algorithm, which is proposed based on the special sparse structure of the coefficient matrix of the two-dimensional C-N difference scheme, and successfully experiments on images encryption and decryption; At the end, the security of the methods of images encryption and decryption based on the two-dimensional Pseudo -parabolic Partial Differential Equation is experimented and discussed particularly.

首先证明了基于二维连续模型的加、解密问题是适定的，为加、解密实验提供了理论依据；然后根据模型的二维C-N格式系数矩阵的特殊稀疏结构，给出快速迭代求解算法，并成功地进行了图像加、解密的数值试验；最后对基于二维伪抛物型方程的图像加、解密方法的安全性进行了详细的试验讨论。

The eigenmode of the structure is solved using subspace iterative parallel method.

采用子结构模态综合算法，结构特征模态采用子空间迭代方法并行求解。

The domain decomposition parallel iterative algorithm for the 3-D time-dependent neutron transport difference equation is presented in Chapter 5. This algorithm is highly parallelizable and scalable.

第五章研究了基于几何空间区域分解的三维非定态中子输运差分方程的并行迭代算法，该算法达到了多处理机并行的高并行度和可扩展性。

She could type 80 wpm, she practiced with the simulation for several weeks (with some iterative design on the simulator to improve her interface), and she was careful to type exactly what the user said, even exclamations and parenthetical comments or asides.

她必须能每分钟打80字，她要花数周的时间模拟练习，（在模拟中迭代设计来改进她的界面）她很仔细的打出正是用户所说的，甚至是感叹，附加注释或者其它。

Iterative algorithm; real orthogonal polynomial; parameter identification; partial fraction; experimental modal analysis

应用部分分式实正交多项式构建频响函数幅值平方的分析模型，规避了原有复正交多项式的复杂计算。

In this paper, we mainly apply theory of ordering in nonlinear functional analysis, cone theory, topological degree theory, cone expansion and compression theory, and the method of upper and lower solutions, partial ordering method, iterative method to study some nonlinear differential equations BVP and fixed points problems of mixed monotone operators, and obtain some new results.

中文摘要：在本文中，我们主要应用非线性泛函分析中的半序理论，锥理论，Leray-Schduder拓扑度理论，锥拉伸与锥压缩不动点理论，以及上下解方法，半序方法，迭代方法对一些非线性微分方程边值问题和混合单调算子的不动点问题进行讨论，并得到了一些新成果。

In chapter 4, in the frame of partially ordered F-type topological space, we research the existence of the solution of a nonlinear operator equation Lx = Nx, and the convergence of the iterative sequence {u_n} which satisfies Lu_(n+1)= Nu_n for a solution of the equation. Then, we give the conditions for multiplicity of the solutions of this operator equation.

第四章，在半序F-型拓扑空间框架下研究一类非线性算子方程Lx=Nx解的存在性，以及满足Lu_(n+1)=Nu_n的迭代序列{u_n}对于方程解的收敛性，并给出这类算子方程具有多解性的条件。

Ant algorithm to achieve the java, mainly in the choice of the path iterative improvements made welcome download!

蚂蚁算法的java实现，主要在选择路径的迭代上做了改进，欢迎下载！

In this paper,by means of the iterative analysis method,the existence for periodic solution of first-order differential equations is considered.

利用迭代分析方法讨论了一类一阶微分方程周期解的存在性，并得到一些新的结果。

And an iterative sliding mode-PID control method is presented for a class of nonlinear perturbed system, in which the sliding mode VSC method is iteratively applied based on system output feedback.

该方法通过对系统输出迭代设计线性滑模函数，并引入传统PID控制，综合了滑模变结构控制与PID控制的鲁棒性强的特点，避免了传统PID控制积分引起的超调以及变结构控制的抖振问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。