| ID | 原文 | 译文 |
| 47796 | 提出一种改进的文本相似度计算方法,从大量的特征空间中选择出具有代表性的元数据特征向量元素,以降低向量空间的维度; | An improved text similarity calculation method, from a large number of a selection of representative feature space metadata feature vector elements, to reduce the dimension of vector space. |
| 47797 | 构建领域概念树并设计基于领域概念树的文本相似度算法,对领域概念中广泛存在的同义词进行处理,以提高文本之间语义相似度度量的性能。 | Building concept tree and design based on domain concepts in the field of text similarity algorithm, widely exists in the domain concepts of synonyms for processing, to improve the performance of semantic similarity measure between the text. |
| 47798 | 实验结果表明:通过降维和概念相似度计算可提高文本相似度计算的性能。 | The experimental results show that: through the dimensionality of concept similarity calculation can improve the performance of text similarity calculation. |
| 47799 | 针对低轨(low earth orbit,LEO)星座系统的空间覆盖性能,提出应用着色Petri网(colored Petri net,CPN)建模仿真分析星座对目标空间覆盖属性的方法。 | For LEO (low earth orbit, LEO) constellation space coverage performance of the system, put forward the application coloring Petri net (colored Petri net, CPN) modeling and simulation analysis of constellation space attributes of the cover method to the target. |
| 47800 | 通过低轨探测星座系统的三层CPN建模和仿真,分析整体星座的逻辑结构特性和多星动态协同事件操作流程及操作事件的因果/并发时序关系,创建了一种LEO探测卫星对任意时间、任意地点和任意弹道的空间目标覆盖属性研究途径,以获得星座对任意来袭目标的最优探测操作流程。 | Through the constellation LEO detection system modeling and simulation of three layers of CPN, analysis the whole constellation logical structure characteristics and multiple dynamic collaborative operation process and operation events causal/concurrent timing relationships, create a LEO satellite for any time, any place and any ballistic space target coverage properties research approaches, for signs of any incoming target of optimal detection process. |
| 47801 | 在目标空域密集环境下,属性辅助运动状态数据关联是目前公认的解决数据关联性能严重下降问题的潜在有效途径。 | In the target airspace dense environment, attribute auxiliary motion data association is currently recognized the potential to solve the problem of data correlation performance serious decline. |
| 47802 | 从Neyman-Pearson准则出发,在分析经典运动状态信息关联度量及门限确定方法合理性的基础上,给出属性辅助数据关联中属性度量及对应门限的确定方法。 | Starting from Neyman - rule of Pearson, based on the analysis of classic motion information associated measurement and threshold method for determining the rationality on the basis of given auxiliary data correlation attribute measure and calculation method of the corresponding threshold. |
| 47803 | 仿真结果表明,与惯用的固定门限相比,该方法确定的度量及门限具有稳定的关联性能。 | The simulation results show that compared with the conventional fixed threshold, the method to determine the measurement and threshold has the stable performance. |
| 47804 | 时钟同步是无线传感器网络的一项重要支撑技术,网络节点间的协作感知、数据融合、定位技术、能量管理都需要时钟同步的支持,才能正常开展。 | Clock synchronization is an important supporting technology of wireless sensor network, the network node collaboration awareness, data fusion, positioning technology, energy management, all need the support of the clock synchronization, carried out properly. |
| 47805 | 通过对影响802.11无线网络中IEEE 1588时钟同步精度的双向不对称时延的产生机理及统计特性进行详细分析,提出了一种基于卡尔曼滤波的时延过滤算法,并在此基础上设计实现了时钟伺服系统,从而实现了基于IEEE 1588协议的一种纯软件形式的无线传感器网络时钟同步方法。 | Impact 802.11 based on the IEEE 1588 precision clock synchronization in wireless network two-way asymmetrical delay mechanism and statistical characteristics of the detailed analysis, this paper proposes a time delay filter algorithm based on kalman filter, and on the basis of the design has realized the clock servo system, so as to realize the form of a pure software based on IEEE 1588 protocol of wireless sensor network clock synchronization method. |