It also solves the problem how to decide the hidden node Numbers for the BP neural networks.
同时，解决了BP神经网络难以确定隐结点数的问题。
The results shows that the forecasting effect of the new algorithms is better than the BP neural networks.
结果表明，改进方法的预测效果优于单一使用BP神经网络进行预测的效果。
On the basis of above analysis, the application of the BP neural networks in leak signals identification and classification is made.
在此基础上，研究了BP神经网络在泄漏信号识别和分类中的应用。
It can be seen that the BP neural networks can not only apply to enterprise, but also apply to nonprofit organizations in warning financial risk.
可见，BP人工神经网络不仅适用于企业，也同样适用于非营利组织的财务风险预警监测。
To eliminate the enterprises' high inventory and improve the customers' service, this paper discussed the new idea and method that manage the inventory by using the BP neural networks technology.
探讨了通过采用BP神经网络技术对库存进行管理的新的理念和方法，以达到消除企业的高库存现象和提高顾客服务水平的目的。
In the 4th chapter, the BP neural networks is used to study the sample data, thus realize the mapping from absorbing energy of Charpy Experiment to fracture toughness on the basis of probability.
第四章主要是应用神经网络算法学习由数值计算得到的样本，实现了由夏比吸收能量值到断裂韧性值的在概率基础上的映射。
According to the fault features extracted from the pump vibration via wavelet transform, the working conditions and the faults of the pump can be classified and identified by the BP neural networks.
研究结果表明训练成功的BP网络可作为智能分类器对斜轴泵的常见故障进行识别和诊断。
BP neural networks and GA were applied to the optimal design of mechanical structure.
将BP神经网络和遗传算法相结合运用于快速设计的结构优化问题。
Based on the powerful nonlinear reflection and training function of artificial neural networks, the model of BP neural network for foundation piles integrity testing is put forward.
利用人工神经网络强大的非线性映射能力和学习训练功能，提出了基于BP网络的基桩完整性检测模型。
The order ambiguity problem of single peak tracing method is solved through the application of BP neural networks.
应用反向传播神经网络，解决了单峰测量方式的级次模糊问题。
The modulation recognition technology for communication signals based on BP neural networks is studied.
本文研究了基于BP神经网络的通信信号调制体制识别技术。
The PID controller based on BP neural networks is designed to realize control parameter self-learning and self-adjusting.
设计了基于BP神经网络的PID控制器，实现PID控制器参数自学习、自整定。
Using BP neural networks, the fitness of GA was calculated, on the basis of which the mechanical structure was optimized.
用神经网络计算遗传算法的适应度，对结构进行优化。
This paper considers the problem of financial prediction based on BP neural networks.
本文研究基于BP神经网络的证券市场预测问题。
Based on BP network, the example of nonlinear regression by artificial neural networks is given.
以BP网络为例给出了基于人工神经网络的非线性回归实例分析。
An initial forecast model of BP neural networks is established, and is trained using the history data of our hospital inventory.
建立了一个BP神经网络初始预测模型，并用医院库存的历史数据进行了网络训练。
The accuracy of prediction of BP neural networks model is higher than that of factor analysis.
BP神经网络的预测精度高于线性统计模型。
To eliminate the shortcoming of standard backpropagation algorithm, some modified BP algorithms in the MATLAB's neural networks toolbox are given in the paper.
针对标准BP算法存在的缺陷，本文给出了基于MATLAB语言的BP神经网络几种改进的算法。
The content includes in the fuzzy segment, BP neural networks and principal component analysis.
内容涉及模糊分割技术、BP神经网络、主元分析技术。
Finally, the construction control of cable-stayed bridge based on BP neural networks is discussed and analyzed.
最后，本文对基于BP神经网络的斜拉桥施工控制进行了探讨。
In this paper we prove a finite convergence of online BP algorithms for nonlinear feedforward neural networks when the training patterns are linearly separable.
当训练样本线性可分时，本文证明前馈神经网络的在线BP算法是有限次收敛的。
The conicoid fitting method used for transforming GPS elevation, and the basic structure and mathematic formulas of BP algorithm of neural networks are introduced briefly in this paper.
简要介绍了转换GPS高程的二次曲面拟合法，以及神经网络BP算法的基本结构和数学公式。
This paper puts forward the ways of reliability prediction based on artificial neural networks, builds the three layers BP neural networks model, and presents its arithmetic in detail.
本文提出了基于人工神经网络的可靠性预测方法，建立了用于数控机床可靠性预测的三层BP神经网络模型，给出了具体的算法。
Finally, the features are preprocessed, then classified by integrating BP neural networks.
特征量被预处理后，输入到集成bP神经网络分类器中分类。
Then, this paper, after analyzing the shortage of BP neural networks in convergence, betters it by combining with the orthogonal-crossover-operator-based GA.
然后分析了神经网络BP算法在收敛方面的不足，并针对其不足结合基于正交算子的遗传算法进行改进。
The application shows that the improved BP neural network can improve the network quality effectively, and fits for the construction and training of big networks.
实际应用证明，改进的BP神经网络有效提高了网络质量，适合大型网络的构建与训练。
By using BP neural networks to oltain the model of AC speed adjustable system; another CMAC is used for adaptive controller.
该方法采用一个三层BP网络辩识交流调速系统的特性，用另一个CMAC神经网络作为自适应控制器。
By using BP neural networks to oltain the model of AC speed adjustable system; another CMAC is used for adaptive controller.
该方法采用一个三层BP网络辩识交流调速系统的特性，用另一个CMAC神经网络作为自适应控制器。
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