1) propagation reaction
传播反应
2) propagation of explosion reaction
爆炸反应的传播
3) back-propagation
反向传播
1.
In this paper,in order to effectively speed up the weight convergence speed of neural network,a new back-propagation algorithm is proposed.
提出了一种新的快速的误差反向传播算法 。
2.
Based on the idea of standard back-propagation(BP) learning algorithm, an improved BP learning algorithm is presented.
在标准反向传播神经网络算法的基础上,提出了一种改进的反向传播神经网络算法。
4) back propagation
反向传播
1.
Next, an Improved Back Propagation(IBP)algorithm is proposed, considering the drawbacks of the standard Back Propagation (BP) in the neural network theory.
接着,作者对神经网络理论中的标准反向传播算法BP作了改进并提出了IBP算法。
2.
Based on this framework, by making use of the back propagation method of computing partial derivatives, the maximization of mutual information can be achieved through the gradient ascent optimization process, and thus the discriminative training of HMM is performed.
基于这一框架 ,利用偏导数的反向传播计算方法 ,通过梯度上升的优化过程来实现互信息的最大化 ,从而对 HMM进行有区分力的训练 。
6) Backpropagation
反向传播
1.
A new combination method of multiple classifiers is presented and the method is controlled by a feed-forward neural net trained with the backpropagation technique.
提出了一种新的组合多个分类器的方法,这个方法由反向传播神经网络来控制,一个无标号的模式输入到每一个单独的分类器,它也同时输入到神经网络中来决定哪两个分类器作为冠军和亚军。
2.
As compared to the conventional BP algorithm, the first improvement of this algorithm is the minimization of a combined error criterion based on the sum of nonlinear and linear quadratic errors of the output neurons, the other is the using of a modified error backpropagation factor in the learning process.
与传统的BP方法相比,本算法有两个改进之处,一是同时将网络的非线性输出误差与线性输出误差作为待优化的目标函数,二是改进了学习过程中误差的反向传播因子。
补充资料:核爆炸电波传播效应
核爆炸破坏正常介质条件而产生的无线电波异常传播现象。其主要原因是核爆炸使高空形成附加电离区和冲击波对正常电离层的扰动。这种异常介质条件使信号受到严重吸收并发生衰落,影响通信质量。这种传播异常现象包含复杂的形态和物理过程,与爆炸发生的高度、释放能量的大小和电波频率等因素有关(见核爆炸对电离层的影响)。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条