优值
- 与 优值 相关的网络例句 [注:此内容来源于网络,仅供参考]
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After studying the characteristics of Particle Swarm Optimization,Particle Swarm Optimization is used in wavelet domain to optimize the thresholds,and garrote shrinkage function is used to process wavelet decomposition coefficients,which overcome the shortcoming of discontinuity of hard-threshold and decreased the fixed bias of soft-threshold.
研究粒子群优化算法的特性,将其应用于小波域,对阈值进行寻优,并使用garrote阈值函数量化小波分解系数,而garrote阈值函数既克服了硬阈值函数的不连续性,也减小了软阈值函数存在的恒定偏差。
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The main procedures are as following: to generate small increment of parameters automatically and to calculate the FE several times and obtain the sensitivity of objective function to the parameters, and then form a Hermite polynomial approximation, the calculation of FE solutions are substitute by the calculation of polynomial approximation, so time cost decreases dramatically.
用n维埃尔米特插值技术建立设计变量在可行域上的目标函数的逼近函数;将局部寻优的梯度算法和全局寻优的随机算法结合起来,大幅度地降低寻优过程中电磁场的计算次数。
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A method is put forward to find the better ε of the ε-non-sensitive loss function based on the particle swarm optimization. The simulation result shows the regression support vector machines take far fewer times than using the way of latticework searching to get the desired result the efficience is improved greatly and optimal ε is obtained.
本文给出了一种基于粒子群优化算法的、对ε不敏感损失函数的ε参数寻优的方法,仿真结果表明:采用基于粒子群优化算法的寻优方法寻找ε参数,需要重复训练回归支持向量机模型的次数明显小于格点搜索方法,节省了大量的时间并且能找到较优的ε值。
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Afterward, we analyze four possible paths using Pontryagin 's maximum principle, We obtain optimal control rules of two advertising expenditure and the long-run optimal equilibrium solution of this model.
然后,利用庞特里亚金最大值原理对四种可行路径进行分析,分别得出了两种广告支出的最优控制规律与该模型的长期最优均衡解,并研究了长期最优均衡解的渐近性态。
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Meanwhile the weighted mean optimum order method to solve the problems of multi-objective decision is obtained.
提出了状态不确定情况下的多目标决策问题的优序值矩阵,推广了多目标决策问题的优序法,并且重点研究了系统状态是一个模糊集时的模糊效益集和效益矩阵,得到了求解多目标决策问题的均值优序法。
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Epistatic effects were largely contributed to GWP as well as QE interaction effects had an impact on GWP.
最优基因型预测显示,不同环境下最优株系与最优杂种的基因型及遗传效应值不同。
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Chapter 2 discusses the function of optimum array based on the minimum meansquared error principle in CDMA system, the method of produce the reference signal, and proved whether the reference signal is the correspond PN code sequence or respread signal, the result of the array's weight converge can converge the same optimum weight under the condition that the PN sequence in a bit of data is long enough. In this chapter, we finally get the beam pattern and the correlate bit error rate after converge when several CDMA signal arrives in different direction.
本文的主要贡献及创新之处是:首次从理论上探讨了基于最小均方误差准则的最优天线阵在CDMA系统中的多址干扰抑制性能及其参考信号的产生方法,证明了采用有用信号相应的扩频码作为参考信号与采用将解扩信息与扩频码进行重扩频后的信号作为参考信号来调节自适应天线的权值均可使权值收敛于同一最优解。
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The fluctuation of available wireless link bandwidth motivates the study of adaptive multimedia services in wireless/mobile networks This paper focusses on a bandwidth adaptation scheme, which takes the maximum revenue as the objective The optimal bandwidth adaptation algorithm which seeks to achieve maximum revenue is an NP hard problem, because it has to investigate every adaptation case A bandwidth adaptation scheme based on genetic algorithm is proposed, which achieves near optimal total revenue with much less complexity compared to an optimal bandwidth adaptation algorithm Simulation is carried out to compare the algorithm with an optimal bandwidth adaptation algorithm, the results reveal that the genetic algorithm approximates the optimal solution very well
无线链路带宽的快速波动推动了无线/移动网络中对适应的多媒体服务的研究以无线网络系统的利润最大化为目标,研究适应的多媒体应用的带宽适应方案达到利润最大化的最优带宽适应算法是一个NP hard问题提出一个基于遗传算法的带宽适应方案,在算法复杂度大大低于最优算法的同时,获得的利润值近似最优性能分析和实验结果证明了这一结论1 引言因特网和无线/移动通信技术的迅速发展,推动了两者服务的融合无线/移动环境下因特网服务的提供需要解决的一个关键问题是QoS保证提供QoS保证的一个重要技术手段是连接接纳控制 [1] CAC算法的目标是在保证切换连接请求丢弃率满足系
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When the rotational speed difference between the flywheel and clutch disk plate is small enough, that is to say, the rotational speed difference between the flywheel and clutch disk plate is smaller than what is set in advance, the flywheel and the clutch disk will engage as quickly as they can. So the shock intensity and slipping friction work are all very small when the clutch engages with the flywheel.
在E.T.Driver输出驱动扭矩小于阻力扭矩时,采用基于最小值原理的换档控制策略对滑摩功和冲击度进行综合最优控制,使滑磨功和冲击度达到综合最优,并得到了以解析式形式表达的系统最优控制函数。E.T。
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By the modem time series analysis method, based on the ARMA innovation model, under the linear minimum variance optimal information fusion criterion, three distributed fusion steady-state optimal Kalman filters, predictors and smoothers weighted by matrices, scalars, and diagonal matrices are presented for multisensor systems with correlated input and observation noises, and with correlated observation noises. The Lyapunov equations and formulas of computing local filtering, predicting and smoothing error variances and covariances are given, which are applied to compute optimal weights. The corresponding three distributed fusion Wiener state estimators are also presented.
应用现代时间序列分析方法,基于自回归滑动平均新息模型,在线性最小方差最优信息融合准则下,对于带相关输入噪声和观测噪声和带相关的观测噪声的多传感器系统,提出了按矩阵加权、按标量加权和按对角阵加权的三种分布式融合稳态Kalman滤波器、预报器和平滑器,其中提出了局部滤波、预报和平滑估值误差方差阵和协方差阵的Lyapunov方程和计算公式,它们被用于计算最优加权,也提出了相应的三种分布式融合Wiener状念估值器。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。