ID	原文	译文
25485	基于软件定义智能层次化模型设计了一种睡眠动作识别系统，该系统可通过规则推理来应对智能环境中的各种变化因素。	Based on the hierarchical model of SDI (Software-Defined Intelligence), a system for action recognition during sleep is designed to deal with various changing factors in smart environment through rule-based reasoning．
25486	设计了一种时间队列实时提取动作特征来训练模型，提出了一种规则提取算法从该模型中提取系统所需规则。	A time queue is designed to extract the characteristics of actions in real-time to train the model, and a rule extraction algorithm is proposed to extract the rules required by the system from the model．
25487	该系统基于这些规则可识别 9 种睡眠动作，每种动作的识别精确率均可达到 96% 以上，总识别准确率达到 98. 9% ，且比其它系统适应性更强。	Depending on these rules, the proposed system can recognize nine types of sleep actions: the recognition precision of each type can exceed 96% ; the total recognition accuracy canreach 98. 9% . Importantly, it has more robust adaptability than other systems．
25488	实验结果表明，该系统通过更新规则可快速应对节点位置、节点数量和用户需求的变化。	Experimental results show that the system can update rules for quickly adapting to changes in node position, the number of nodes, and user requirements．
25489	随着区块链技术在社会经济领域的应用不断扩大，区块链的安全问题受到越来越多的关注。	With the expansion of the application of blockchain technology in the socio-economic fields, increasing attention has been paid to the security of blockchain．
25490	本文提出了一种新的区块链安全风险评估方法，分别从技术架构和算力两方面量化区块链的安全风险。	This paper proposes a security risk assessment method for blockchain, which quantifies the security risk of blockchain from the aspects of technical architecture and hash rate．
25491	我们首先根据区块链技术体系架构建立了区块链可信计算基(Blockchain Trusted Computing Base，BTCB)，进而设计了一种结合层次分析(An-alytic Hierarchy Process，AHP)和配对比较的安全敏感性分析方法，为每个安全风险影响因素分配权重，最终构造了一个区块链的安全风险评估模型。	At first, we build the Blockchain Trusted Computing Base (BTCB) model based on the technology architecture. Then, we design a sensitivity analysis method combined the AHP and paired comparison to assign security weights to each security risk factor. Finally, we construct a security risk assessment model．
25492	在实验部分，我们采用该模型为当下 15 个常见公有链区块链项目打分，并与市场认可度较高的四家区块链评级机构的评测数据进行对比分析，实验结果表明我们的模型具有一定的可行性。	In the experimental part, we use this model to score 15 common public-chain blockchain projects, and conduct comparative analysis with the evaluation data of four blockchain rating agencies with highmarket recognition. The experiment results verify the feasibility of this method．
25493	针对无线通信中的同频信号干扰问题，受信号稀疏表示及循环平稳特性启发，本文通过建立位置坐标的样本集合，构造字典矩阵，采用优化方法在循环频域实现稀疏信号重建，利用接收到信号的循环谱切片直接估计发射源位置。	Toward the co-channel signal interference problem in wireless communications, inspired by sparse representation and cyclostationary characteristics, the dictionary matrix is constructed by establishing the sample set of position co-ordinates, and the sparse signal is reconstructed in cyclic frequency domain using optimization method. Then, the position of the transmitter is directly determined from the cyclic spectrum slice of the received signal．
25494	仿真结果表明，该所提算法的定位误差接近于推导的克拉美劳下界，在低信噪比和信干比条件下优于现有的频域直接定位和两步定位算法，具有更高的定位精度。	Simulation results show that the localization performance of the proposed algorithm is close to the derived Cramer-Rao lower bound, and outperforms the existing frequency domain direct localization algorithm and two-step localization algorithm, especially in cases of low signal-to-noise ratios and signal-to-interference ratios．