改进

While using off-center charges brought some improvements, the directionality of hydrogen bonds have not been significantly improved.

尽管采用偏离中心的电荷模型能稍微改进蛋白质模拟结果，但对氢键方向性的改进并不显著。

Objective To explore the feasibility of functional magnetic resonance imaging in analysis of olfaction function with modified OEP-98C olfactometer and event-related design.

目的探讨以改进后的OEP-98C型嗅觉诱发电位仪作为嗅觉刺激器，事件相关设计的嗅觉功能磁共振成像分析嗅觉功能的可行性。方法采用改进后适应磁共振环境的OEP-98C型嗅觉诱发电位仪作为嗅觉刺激器对6名右利手年轻男性志愿者进行嗅觉刺激。

The next policy is near to the optimal policy.

最终将利用此策略进行一步的「策略改进」，此改进的策略便会是很接近最佳化的策略。

Reinforcement learning algorithms that use Cerebellar Model Articulation Controller are studied to estimate the optimal value function of Markov decision processeswith continuous states and discrete actions.

通过倒立摆和自行车平衡控制的学习控制仿真对提出方法的性能进行了研究，结果表明本文提出的改进CMAC编码方法能够有效地改进增强学习算法的收敛速度和泛化性能。

In view of that, predictive method to calculate APF harmonic reference is proposed based on adaptive LMS algorithm. Optimum predictive strategy is also presented.

本文针对传统LMS算法的缺陷，并结合电网电流的特点，提出了三点改进措施，这些改进都极大地提高了自适应预测算法的性能。

In order to improve the convergence of the back analysis of the rock-fill material parameters, four improved PSO methods have been proposed in this paper. Two are convergence improved PSO, and the others are the PSO based on multi-objective problem.

为提高标准微粒群算法在堆石坝坝料参数反演分析中的适应性，本文采用收敛性改进的微粒群算法和基于多目标问题的微粒群算法，详细阐述了算法的改进原理。

By iteratively combining these two procedures we achieve a way of training the configuration of RBFNN. In addition, the algorithm is very robust with respect to the noise level. Simulation experiments show that the proposed algorithms are sound. In chapter 3, which is the extension of chapter 2, the improvements of the architectures of RBFNNs and the solutions of their relating problems are discussed, Firstly, an new distance metric is advanced and a forward orthogonal least square selection procedure is applied to learning the parameters of classification function and selecting the important input nodes.

首先分析了目前存在的同时确定RBFNN结构和参数的方法的缺陷，在此基础上提出了用基于拉马克的进化学说的进化编程算法来改进算法，以克服某些缺陷；然后针对受到严重噪声污染的系统，如何提高RBFNN的泛化能力的问题，利用基于AIC的适应度函数的改进遗传算法学习结构和参数；最后介绍基于MDL原理的方法，将优化网络的结构和参数分为两个阶段：训练和进化，先自适应地改变RBFNN基函数的中心和宽度，同时训练输出线性权值，再用基于MDL原理的适应度函数的标准GA来优化隐层节点，通过交替使用这两过程达到训练RBFNN的结构和参数的目的，该算法具有较强的鲁棒性。

Meanwhile, contrasting with the advanced principles and goals, the paper sets up the annual and quarter performance appraisal model and promotation and selection model, builds up a whole middle-rank cadres"performance appraisal system which concludes 21 items about working feats, 5 items about working attitude, 4 items about working behavior and 7 items about working ability, bring in the method of management by objective, 360o appraisal method, paired comparison method and factor comparison method, explicates the basic procedure of appraisal, builds up a healthy performance feedback and communicating system, widens the practice approach of the appraisal result, and fulfills the advancing design of the assessment of the middle-rank cadres"performance of Lanzhou Power Supply Company.

并对照改进原则和目标，分别构建了年度岗位工作考核模型、季度岗位工作考核模型和选拔任用考核模型，建立了包括21项工作业绩指标、5项工作态度指标、4项工作行为指标和7项工作能力指标构成的干部绩效考核指标体系，引入了目标管理法、360°考核法、配对比较法、因素评价法等考核方法和理念，进一步明确了考核工作基本程序，建立了良好的绩效反馈沟通机制，拓宽了考核结果运用渠道，实现了对兰州供电公司中层干部绩效考核方案的改进设计。

Second, we research the Baum-Welch algorithm of modified HMM and derive the update parametric estimation equations for modified HMM based on traditional HMM.

其次，在传统的隐马尔可夫模型的基础上，研究了改进的模型的前向-后向算法和Baum-Welch算法，并导出了改进的模型的参数估计公式。

The modified genetic algorithm has been used in parametric optimization of a sliding-vane compressor, by which the result shows that the modified genetic algorithms is reliable and efficient, as proved by the reasonable parameters.

并且尝试了将改进的遗传算法用于滑片式压缩机参数的优化，结果表明，经过改进的遗传算法有效可靠，经过优化的压缩机参数合理。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。