收敛

With appropriate crossover parameter and self-adaptive aberrance factor, the convergence of the algorithm is improved and the system's motion precision is leveraged.

同时将改进的遗传算法采用最优个体保留策略，设计交叉参数和自适应变异参数，确保算法具有良好的收敛性。

WiMAX ; uplink ; power control ; variable step ; convergence factor

WiMAX ；上行链路；功率控制；可变步长；收敛因子

The strategy the best individual to be reserved in the ameliorated genetic algorithm operation is applied. With appropriate crossover parameter and self-adaptive aberrance factor, the convergence of the algorithm is improved and the system's motion precision is leveraged.

同时将改进的遗传算法采用最优个体保留策略，设计交叉参数和自适应变异参数，确保算法具有良好的收敛性。

If the iterative step is greater than a certain number, the fictitious equilibrium force will change simply with factor of slope.The algebraic method is efficient to obtain a convergence value of safety factor.

研究结果表明：基于给出的算法，通过迭代求解安全系数，收敛速度快；在迭代初期，平衡力与安全系数间有较复杂的对应关系；当迭代次数大于某一值后，平衡力随安全系数的增加而单调地变化。

The reconstructed images usually suffer from salt and pepper noise when reconstructing with conventional ART, by adding a relaxation factor the convergence speed can be accelerated and the problem of salt and pepper noise can be overcomed.

传统ART算法在重建图像中普遍存在椒盐噪声，通过加入松弛因子，不但加快了算法的收敛速度，而且克服了椒盐噪声。

Secondly, pollution emission nudging technique is introduced and used to correct urban average SO_2 and NO_X emission, error factor and convergence condition of emission nudging technique is studied and hourly SO_2 and CO emission of Peking is also experimented.

提出污染源"Nudging"修正模型，进行城市SO_2、NO_x排放强度的"Nudging"修正试验，讨论了"Nudging"试验的收敛条件和误差因子，并进行了北京SO_2和CO逐小时排放的"Nudging"修正试验。

After analyzing the limitation of slow convergence in adaptive Least Mean Square algorithm, it is brought forward the method of transforming signal into frequency domain, taking advantage of the orthogonality of discrete Fourier transform, the adaptive LMS filter is performed for each frequency element in transform domain.

四川大学博士学位论文在频域自适应滤波的基础上，提出了一种权值反馈方法抑制图像传输中的多个大功率平稳强窄带干扰信号，不仅能加快算法的收敛性能，并具有良好的滤波效果。

The computer simulation showed the blind Sign-EMS MLSE algorithm is superior to conditional blind EMS MLSE algorithm in convergence speed and mean square error in typical telephone channel, symmetric channel and common channel.

通过计算机仿真试验，在典型电话信道，对称信道以及普通信道中，对该算法与传统的LMS盲最大似然估计算法性能作了比较，并证明了该算法在收敛速度、均方误差等方面均优于传统算法。

First, the partial derivative is defined, based on the convergence in probability measure in the probability measure space.

本文首先在概率测度空间上，利用依概率测度收敛，定义了多随机变量函数的偏导数，并且偏导数的计算式可以通过替换实值函数的对应的偏导数中所有的实变量替换为随机变量得到。

Properties of measurable functions; approximation by simple functions and by continuous functions; convergence in measure; Egoroff's theorem; Lusin's theorem; Jensen's inequality.

可测函数。可测函数的性质；简单和连续函数逼近；测度收敛；叶果洛夫定理；鲁津定理；詹森不等式

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐