查询词典 asymptotic convergence

An improved real-code genetic algorithm is designed with different cross, selection and variation operators, aiming at overcoming its inherent shortcomings of premature, dead state convergence and weak mountain climbing during function optimization.

针对实数编码在进行数值优化时固有的过早收敛、停滞现象和弱的爬山能力等缺点，通过设计不同的交叉、变异算子，提出了一种改进的实数编码遗传算法。

But the weak law of large numbers and the complete convergence for arrays of rowwiseρ*-mixing random variables have not been reported.

但是关于它所生成的随机变量组列的弱大数定律及完全收敛性还未见报道，本章讨论这方面的内容，仅在条件ρ~*(1)＜1，而对混合速度不作任何限制下，得到了：定理0.1.1设{X_；1≤k≤n，n≥1}是行内随机变量为ρ~*混合且ρ~*(1)＜1的随机变量组列。

There are some disadvantages in BP algorithm, such as low rate of convergence, easily falling into local minimum point and weak global search capability. In order to settle these problems, a genetic algorithm was used to train BP neural network to replace classical learning algorithms. An evolutionary neural network learning algorithm was founded.

针对BP算法存在收敛速度慢、容易陷入局部极小值及全局搜索能力弱等缺陷，采用遗传算法训练BP神经网络，取代了一些传统的学习算法，设计了基于进化神经网络的学习算法。

Focusing on some disadvantages in standard BP algorithm, such as low convergence rate, easily falling into local minimum point and weak global search capability, Genetic algorithm is used to optimal the connection weight of BP Algorithm in this paper, and construct a GA-BP algorithm of evolutionary neural network, and the algorithm is applied to the control of BLDCM speed adjusting system.

针对标准BP算法存在全局搜索能力弱和易陷入局部极小点等缺点，本文将遗传算法与BP神经网络相结合，构造了一种新的进化神经网络GA-BP算法，并将该算法应用于无刷直流电机调速系统的控制，仿真结果表明，与传统的PI控制系统相比，该算法得出的电机控制曲线几乎无超调，与基于BP算法的速度控制系统相比较，具有收敛速度快、不易陷入局部极小的优点。

Focusing on the disadvantages in the BP neural network such as low convergence rate,easily falling into local minimum point and weak global search capability,a new method that used GA to train BP neural networks to gain best weights was presented.

针对传统的BP算法存在收敛速度比较慢、容易陷入局部极小值以及全局搜索能力弱等缺陷，提出了神经网络与遗传算法。结合的方法，采用遗传算法。练BP神经网络，优化网络权值。

By properties of a real function, fixed points problem on two complete metric spaces are discussed.The result generalizes corresponding result of Fisher.Moreover, this result provides a general convergence rate estimate. Meanwhile, we discuss the existence of fixed point on two normed linear spaces under the condition of weak topology, and we obtain a new fixed point theorem.

利用实函数性质，讨论了两个不同度量空间中两个映象乘积的不动点问题，推广了Fisher的主要结果，并给了出逼近不动点的敛速估计；同时，在弱拓扑的意义下，利用分析的方法，讨论了赋范空间中有关映象不动点的存在性，得到一个新的不动点定理。

It is difficult to construct the shape function on 〓 being well posed and have the continuities on K required by convergence.

因此，要构造参考元〓上适定的形函数并使其在K上具有保证收敛所需的连续性是很困难的。

Simulation results show that the strategy can effectively accelerate reputation convergence and confine whitewashing.

仿真结果表明，新的策略可以有效地加快信誉收敛速度和遏制漂白攻击。

WAP is positioned at the convergence of three rapidly evolving network technologies, wireless data, telephony, and the Internet.

因此，研究和实现一个高可用性的WAP网关对于满足越来越多无线用户的上网需求有着重要的意义。

Zarlink Semiconductor, formerly Mitel Corporation, is specialized in wired, wireless and optical connectivity market and ultra low power medical applications. Its product portfolio encompasses TDM and IP switching, convergence, network timing and transmission, optical communications, telephony components, wireless, broadband digital TV, RF tuners and demodulators for set-top boxes, and medical ICs for implantable, audiological, and portable monitoring applications .

Zarlink Semiconductor（前身为Mitel Corporation）在有线、无线和光连通领域以及超低功耗医疗应用方面一直处于领先地位，其产品主要包括TDM和IP交换、会聚、网络定时和传输、光通信、电话设备、无线应用、宽带数字电视、射频调谐器、机顶盒解调器以及各种用于植入、声波定位和便携监控的医疗芯片。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48