ID 原文 译文
58458 Bootstrap SVR 方法结合,构建出结构机构可靠性极限状态函数,并利用 SOC 方法计算可靠度指标. Bootstrap was combined withsupport vector regression method in order to build the limit state function for reliability analysis based onthe second order cumulant approach.
58459 最后,应用摆动导杆机构的仿真算例验证了新方法的有效性. Finally,numerical case of a crank shaper mechanism was analyzedto demonstrate the effectiveness of the proposed framework.
58460 为了保证无线传感器网络( WSN) 在深井中能有效地工作,提出了一种改进蚁群的反向传播( BP) 神经网络WSN 数据融合算法( IFA-IACOBP) . In order to ensure the effective working of wireless sensor network ( WSN) in deep mine,aninformation fusion algorithm based on improved ant colony optimization back-propagation ( BP) neuralnetwork in WSN ( IFA-IACOBP) is proposed.
58461 通过规划蚂蚁运动方向和引入节点剩余能量对蚁群算法启发因子进行改进,优化蚂蚁下一跳节点选择概率,利用改进后的蚁群算法对 BP 神经网络进行优化,引入井下 WSN 数据融合,数据经两级融合处理后,能去除大部分冗余信息. The heuristic factor of ant colony optimization ( ACO) isimproved by planning the direction of ants'motion and introducing the residual energy of nodes to improvethe selection probability of the ant next-hop node. The improved ant colony algorithm is used to optimizethe BP neural network,which is applied to WSN information fusion in mine. These data are processed bytwo-level fusion,which can remove most redundant information.
58462 仿真实验结果表明,IFA-IACOBP 算法能有效减少网络数据通信量,提高数据实时性,降低网络能耗,延长网络寿命. Simulation results show that the IFA-IA?COBP algorithm can effectively decrease the network data communication,improve data real-time per?formance,reduce network energy consumption and prolong network lifetime.
58463 针对传统多播/广播单频网( MBSFN) 资源分配算法主要以降低资源块使用数量为目标,并未考虑 MBSFN 的干扰抑制问题,提出了一种基于干扰抑制的自适应 MBSFN 资源分配算法( IS-ARAAM) . The traditional resource allocation algorithms mainly aim at reducing the required resourceunits,without considering the interference suppression of multicast / broadcast single frequency network( MBSFN) . Therefore,an interference suppression based adaptive resource allocation algorithm inMBSFN ( IS-ARAAM) is proposed.
58464 该算法对 MBSFN 区域拓扑关系进行数学建模,同时结合基站发射功率对 MBSFN 间同频干扰的影响,给出了完善的资源复用距离计算公式. The topology relationship between MBSFNs is modeled and thetransmit power of base station is also taken into consideration when calculating the reuse distance. ThenIS-ARAAM is obtained according to the reuse distance.
58465 仿真结果表明,IS-ARAAM 算法在系统覆盖和速率上较传统算法均有明显改善,且能够通过调整资源复用距离来控制资源块消耗数量. Simulations demonstrate IS-ARAAM is moreeffective to improve the rate and coverage of network comparing to traditional algorithms. Meanwhile,IS-ARAAM also provides a way to control the number of required resource blocks through adjusting thereuse distance.
58466 通过在金属贴片边缘增加寄生耦合单元,设计了单馈点、易共形的紧凑多频段微带天线. By adding two different shape parasitic coupling elements at the radiating edge of a feedingtransfer metal patch,a single feed point,good conformal shape,compact multiband microstrip antennawas developed.
58467 该微带天线由地面、馈电传递单元及其两侧边缘的一个曲折线形贴片寄生耦合单元和一个 T 形贴片寄生耦合单元组成. The proposed microstrip antenna is consisting of a ground plane,a feeding transfer metalpatch,a meander-line patch parasitic coupling element and a T-shaped patch parasitic coupling element.