查询词典 convergence

We propose the convergence analyses for nonlinear AEC based on memoryless polynomial nonlinear filter and NLMS algorithm. Several adaptation strategies for nonlinear AEC are also provided and compared for finding better convergence behavior.

根据无记忆多项式适滤波器与NLMS演算法，我们提出了非线性声讯回音消除的收敛分析式；另一方面，为了寻找非线性声讯回音消除较佳的收敛方式，我们也提出并比较几种不同的系数更新方法。

Yangtze Delta Urban Economic Circle, Zhujiang Delta Urban Economic Circle, Beijing-Tianjin-Hebei Urban Economic Circle, Chengdu-Chongqing Urban Economic Circle, and Wuhan Urban Economic Circle are five important urban economic circles, among which, four economic circles except Wuhan Urban Economic Circle have club convergence phenomenon and this club convergence is greatly related to industrialization degree, inner economic structure and innovative ability of the five economic circles.

长江三角洲城市圈、珠江三角洲城市圈、京津冀城市圈、成渝城市圈、武汉城市圈是我国五个重要的城市圈；其中，除武汉城市圈外其他四个城市圈均存在不同程度的俱乐部趋同，而且这种趋同和五大城市圈的工业化程度、内部经济结构及创新能力有很大关系。

This paper analyzes the relationships between the convergence of the Least Mean Square algorithm and convergence factor and number of taps.

本论文首先详细地分析了最小均方算法的收敛速度与收敛因子、抽头数目的关系，并用MATLAB 仿真证实了这些关系。

At first, the structure and algorithms of BP network are deeply researched,the ralations between momentum factor and convergence speed、convergence accuracy are revealed and a kind of improved BP algorithm is presented.

首先重点对BP网络的结构和学习算法进行了深入研究，揭示了动量因子与网络收敛速度、收敛精度之间的关系，并提出了一种改进的算法。

To speed up the calculation on micro-computer, some new concepts of dynamic relaxation factor, average convergence rate and total average convergence rate are defined in this thesis.

为了能够在微机上分析复杂铸件的流动问题，论文首次提出了"动态松驰因子"、"平均收敛率"及"总平均收敛率"的概念。

The convergence condition can be used to design the time-varying, convergence factor, and ensure variable step-size adaptive digital filters to be stable.

利用该权值收敛条件，可设计确保变步长自适应数字滤波器的稳定的变收敛因子。

The diagonal loading factor anti convergence performance were analyzed and the convergence scope of robust constrained LMS algorithm was also given.

针对上述问题，考虑信号方向向量的偏差对LMS算法性能的影响，提出了一种基于对角载入的鲁棒约束LMS算法，并对算法的对角载入因子和收敛性能进行了分析，给出了保证算法收敛的步长取值范围。

Based on the analysis of the internal mechanism with which financial convergence acts on upgrading of the industrial structure,this paper makes a measurement on the level of Guangdong Province financial convergence over the years with factor an...

因此，加强金融生态环境建设、构建多层次资本市场和加强地区金融合作，具有深化金融集聚水平、提高金融集聚质量、进而推动地区产业结构升级和经济增长的战略意义。

Because of the problem of convergence, the key techniques to complete the one step simulation were explored thoroughly. The geometry mapping method based on finite element model and inverse deformation was developed to get the approximate initial blank for one step simulation. The effective selection of convergence factor in Newton-Raphson method was studied. The divergence criterion in iterative process for one step simulation was put forward. Also the countermeasure to ill equations coefficient matrix was studied.

由于存在收敛性的问题，本文重点研究了一步模拟方法计算机实现的关键技术：提出了基于有限元模型的几何映射方法和反向变形方法来确定初始毛坯的近似解，研究了带收敛因子的Newton-Raphson方法中如何高效地选取收敛因子，提出了一步模拟迭代求解过程中的发散准则，并研究了病态方程组系数矩阵的修正方法。

Similarly, we discuss the relation between fundamental convergence in fuzzy measure and fuzzy mean fundamental convergence of fuzzy integrals.

类似地，还讨论了"依测度基本"与"广义模糊积分平均基本"的关系。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。