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Secondly, ARS is used to reduct the neurons in input layer and hidden layer for optimizing BP Neural Network structure. 其次，在属性约简策略ARS基础上优化BP网络结构，约简BP网络结构输入层和隐层单元。
Experimental result indicates, the optimized BP neural network's constringency speed is faster, and the problem that BP algorithm is easy to be trapped into local optimization has been solved. 试验结果表明，用遗传算法优化BP神经网络的连接权值后收敛速度快，并有效的解决了BP算法容易陷入局部最优的问题。
Optimized BP neural network has the capability of expression nonlinearity and also has the self study and adaptive function, and thus, it can realize the best parameter combination of PID control. 优化BP神经网络是一种前向神经元网络，具有学习速率快、振荡小、精度高的优点，将其隐含层单元分别作为比例(P)、积分(I)、微分(D)单元，可以建立参数自学习的PID控制器。
optimization BP neural network 优选BP神经网络
The controlling method is NN-PID control in which BP neural network is used to implement the optim... 实验结果表明气浮溜板的振动主动控制系统是可行性的和有效性的。
The results indicated that the BP neural network with particle swarm optimization had better training performance,and quickly converged at optimum. 结果表明,基于粒子群优化的神经网络具有良好的训练性能,能快速地收敛于最优解;
The results indicated that the BP neural network with particle swarm optimization had better training performance, and quickly converged at optimum. 结果表明，基于粒子群优化的神经网络具有良好的训练性能，能快速地收敛于最优解；
Optimized BP neural network 优化BP神经网络
A few principal components, which were irrelated with each other and in accordance with the demand of feature optimization, were used as the inputs of BP neural network to identify the bats. 提取少数几个主成分,这些主成分彼此不相关,符合特征优化的要求，以主成分向量作为BP神经网络的输入对蝙蝠的种类进行识别。
The paper corrects the ASF error of loran-C by using BP neural network to improve the navigation accuracy. 将BP神经网络应用于罗兰-C导航系统的附加二次相位因子修正,以提高系统的导航精度。
In order to eliminate affection caused by non-objection parameter, BP neural network data fusion is adopted. 为此,采用bp神经网络技术对其进行数据融合处理,以消除非目标参量对传感器输出值的影响。
The Prediction of the Survival Time about Hepatoma Patients with the BP Neural Network Method. BP神经网络预测肝癌患者生存期的研究。
The paper introduced a method of prediction log properties with seismic attributes by optimized BP neural net works,and it had been used to comp... 介绍了一种用改进的多层前馈神经网络由地震属性进行测井特性预测的方法,并应用理论模型和实测数据对该方法进行了验证,结果令人满意。
The paper expounds the basic theory, algorithm, disfigurement and improving methods of BP neural network. 摘要本文阐述了BP神经网络的基本理论、算法、缺陷及改进方法，通过实例对旅游交通安全进行研究。
The paper presents a BP neural network approach applied to image rconstruction of electromagnetic tomography (EMT). 描述了 BP网络应用于 EMT图像重建的基本原理和简易模型 .
So, in this paper, a new method of structure design optimization is induced to which both BP neural networks and genetic algorithms (in short: BPN-GA) are applied. 针对这一问题，本文提出了将BP神经网络和遗传算法相结合用于结构优化设计的方法，并编制了相应的计算程序，实现了一个含9个设计变量的发动机盘模型的结构优化计算。
The paper presents a novel speed identification scheme based on the BP Neural Network for the DTC motor drive system. 摘要针对异步电动机直接转矩控制系统，基于三相异步电机方程提出一种新型的采用人工神经网络辨识电机转速的方法。
Finally, a BP neural network model to predict the accuracy of the workpiece during the ECM was established. 用试验参数对模型结构进行训练 ;最终建立了一个用于电解加工精度预测的BP神经网络模型 .
On-line computation of BP neural network can satisfy the real-time control demand. BP神经网络的快速计算能满足实时控制需要。
This text expatiates the application of BP neural network model in the synthetic valuation of the same kind weapon. 该文阐述了BP神经网络模型在同类武器装备综合评估中的运用。