ID 原文 译文
45976 其次，最小化近邻击键序列样本间的相似性离散度，保持序列样本的区域相似性。 Secondly, the local similarity graph between keystroke sequences is constructed, minimizing the dispersion of the local similarity sequences, to keep the local similarity of keystroke sequences.
45977 最后，基于上述原则，对击键序列特征样本进行特征提取，并采用最近邻分类准则进行判决输出。 Finally, based on the principles above, the feature of keystroke sequences are extracted, and the nearest neighbor classification criterion is used to judge the outputs.
45978 通过与其他方法的实验对比，验证了该方法的有效性。 The effectiveness of the proposed method is certified by experiment results.
45979 在分析现有链路质量预测模型的基础上，提出基于深度信念网络的无线传感器网络链路质量预测模型。 After analyzing the existing link quality prediction models, a link quality prediction model for wireless sensor network was proposed, which was based on deep belief network.
45980 采用支持向量分类机对链路质量进行评估，获得链路质量等级； Support vector classification was employed to estimate link quality, so as to get link quality levels.
45981 采用深度信念网络提取链路质量特征，并采用softmax 预测下一时刻的链路质量。 Deep belief network was applied in extracting the features of link quality, and softmax was taken to predict the next time link quality.
45982 在不同实验场景下，与逻辑回归、BP 神经网络以及贝叶斯网络预测模型相比，所提出模型具有更好的预测准确率。 In different scenarios, compared with the model of link quality prediction based on logistic regression, BP neural network and Bayesian network methods, the experimental results show that the proposed prediction model achieves better precision.
45983 传统的应急通信系统存在机动性差、网络带宽窄、对实时型业务支持较差等问题； Immobility, limited bandwidth and poor support to real-time service are common shortcomings in traditional emergency communication system.
45984 更为严重的是，当移动终端在应急通信系统的多个骨干节点间移动时，其较大的切换时延和固定的触发切换判决门限严重限制了高速传输的数据业务。 Moreover, the data transmission speed is highly limited in high-speed services by the long handoff delay and fixed handoff trigger threshold when the mobile terminals moving between network nodes.
45985 针对这一现状，设计了适用于快速切换环境的采用多频分层分簇网络结构的应急通信系统， In order to overcome these shortcomings, a new emergency communication system with multi frequency hierarchical clustering structure was designed.