This paper classifies patterns by using four-layer BP network and the learning method of error inverse propagation.
文章在深入分析基本BP算法的基础上，采用四层BP网络，利用误差逆传播学习方法实现了对模式的分类。
In the paper, the method of test about OE-PCB was reviewed. Including mainly Refractive Index, Optical Propagation Loss, Surface Roughness, Eye Pattern, Bite Error Rate test and Environment Impact.
文章介绍了印制光-电路板的测试方法，主要包括光波导的折射率测试、光传输损失测试、表面粗糙度测试、眼图测试、误码率测试、环境测试。
In this paper, a novel data partitioning method is presented, aiming at reducing error propagation for video streaming.
提出一种有效降低误差扩散的数据分割方法。
This method of AI is called propagation of error.
这种人工智能的方法称为误差传播。
In addition, to improve the usability of the results, a threshold modification method was proposed to reduce truncation error and propagation error in mining process.
另外，为了提高挖掘结果的可用性，设计了一个阈值修正的策略来减小挖掘过程中的截断误差和传播误差。
The essence of back propagation networks is that make the change of weights become little by gradient descent method and finally attain the minimal error.
其实质是采用梯度下降法使权值的改变总是朝着误差变小的方向改进，最终达到最小误差。
The essence of back propagation networks is that make the change of weights become little by gradient descent method and finally attain the minimal error.
其实质是采用梯度下降法使权值的改变总是朝着误差变小的方向改进，最终达到最小误差。
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