查询词典 iterative

In order to get the λ repeated root s of equation f = 0, where λ∈R~+ and the equation may be underivative, an generalized Newton iterative method was constructed with order 2 as its convergence.

设方程f=0有λ重根，其中λ为任意正实数，函数f可能不可导，给出了求这一类方程的λ重根的一个广义Newton迭代法，并证明了这种方法的收敛阶为2。

Results The equivalent matrix equation is derived by the matrix transformation method.The parameter iterative algorithm and the sufficient and necessary conditions for the convergence are given.

结果基于矩阵变换方法导出了矩阵方程的等价形式，并构造出参数迭代格式，得到了格式收敛的充要条件。

Finally,an iterative algorithm is developed to minimize the error function.

实验结果表明，本文算法是有效的，精确的。

A region superresolution spectrum estimation method based on coventional DFT computation is presented for obtaining one dimensional range profile, which has the advantages of real-time in computation and robustness under clutter and noise background over general superresolution methods. A iterative extropolation method based on both priori knowledge provided by conventional DFT spectrum and matching filtering process of target return data is also presented for range profile processing, which has the advantages of robustness in improving range resolution, suppressing clutter and noise.

在目标一维距离成像谱估计中，提出了以常规DFT为基础的邻域超分辨谱估计方法，它与普通超分辨算法相比，具有实时性强、在杂波与噪声背景中稳健性好的优点；在外推成像处理中，提出了以常规DFT目标结构图像为约束条件并结合目标信号准匹配滤波处理的迭代外推算法，其优点是稳健性好，能适度地提高距离分辨力但保留适度的抗杂波抗噪声能力。

We give the reconstruction of series expansion in lattice-invariant spaces and prove that the improved A-P iterative algorithm is valid in the common shift-invariant spaces. Under adding proper conditions, the improved algorithm holds in the lattice-invariant spaces too.

我们给出了在格不变空间中的级数展开重构，并证明了在一般的平移不变空间中的改进A-P迭代算法也是可行的，说明了在适当增加条件时此改进A-P迭代算法在格不变空间中也是成立的。

The example shows that the exponential change has tremendous influences on iterative number, Lagrange multiplier value and initial value. An appropriate value selected can make the algorithm have a good convergence property.

算例结果表明，指数的变化对迭代次数、拉格朗日乘子的取值及初值的选取都有较大影响，通过合适的取值可使算法具有更好的收敛性。

This thesis is concerned with some Extrinsic Information Exchange Iterative Process based on channel coding methods.

本文就目前理论界和工程界都很关心的基于外信息交换迭代处理的编码方案作了一个较全面的研究和探讨。

A local LU factorization method was proposed to solve pressure equation for mold filling in injection molding and was compared with iterative methods.

提出了一个LU局部分解方法来求解注射充模过程的压力方程，并与其他迭代方法进行了比较。

Firstly, basic characteristic circuit structures such as the iterative structure, the bus structure, the fan-in structure and the series structure are recognized automatically. Then, by multilevel clustering, hierarchical design is constructed from these basic structures.

首先对网表中最基本的迭代、总线、扇入和串联结构进行自动识别，然后将这4种基本结构按不同的组合方式进行多级聚类，最终建立起了网表的层次化结构。

In Chapter 4,adopting a new skill of combiningSQP idea with the strongly convergent algorithm obtainned in Chapter 3,we present a feasible SQPalgorithm whose initial point and iterative point all are fasible.

第四章采用SQP思想与第三章的强收敛算法相结合的新技巧，建立了初始点及迭代点均可行的可行SQP算法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。