ID 原文 译文
4403 采用 IAGP 模型对系统时延性能分析的理论计算值与仿真结果一致。 and the theoretical performance evaluation calculated by IAGP are identical with the simulation results,
4404 该分析模型为非理想信道环境和差错重传机制下的 RoF-DAS WLAN 网络接入性能分析提供了一种快速评估机制。· which provides an effective evaluation mechanism for the access performance in RoF-DASWLAN, with inperfect channel and failure retry mechanism.
4405 具有低相关性质的码本在同步码分多址系统(CDMA)、量子信息理论以及压缩感知领域都有重要应用。 Codebooks with low-coherence have wide utilization in code division multiple access (CDMA) communica-tions, quantum information theory, compressed sensing and so on.
4406 为扩展码本数量,放宽了变换矩阵的限制条件。 In order to expand the number of codebooks, the re-strictions on the transformation matrix were relaxed.
4407 基于 Zadoff-Chu 矩阵,利用差集、几乎差集以及有限域特征和构造了新的码本,得到的码本依照 Welch 界限或 Levenstein 界是最优或几乎最优的。 Based on the Zadoff-Chu matrix, new codebooks were constructedusing the difference set, almost difference set, and finite field character sum. The proposed codebooks were optimal ornear optimal according to the Welch bound or Levenstein bound.
4408 通过实验仿真发现,基于该类码本构造的确定性测量矩阵在压缩感知中具有良好的性能。 Through experimental simulation, it is found that thedeterministic measurement matrices constructed using these codebooks also have good performance in the process ofcompressed sensing.
4409 为了指导多样化软件系统在不同应用场景下的冗余变体选取,在研究多样化软件评价指标的基础之上,建立针对软件多样化系统的可用性评价指标体系、安全性评价指标体系、性能指标评价体系,并在此基础上构建了针对多样化软件系统的层次评价体。 To instruct the selecting of the redundancy variants for diversified software system at different situations, theevaluation systems of usability, security and performance was constructed by using some diversified software evaluationindicators. Then hierarchical analyzation system (HAS) was introduced based on the three evaluation systems.
4410 采用实例验证了所提层次评价体系在小规模变体数目下的可行性。 A real caseverify that HAS is practicable at the situation that there are not many variants.
4411 针对控制器进行信息同步维护全局网络视图时网络时延大的问题,基于对网络时延的分析提出了一种能够满足动态组网覆盖需求的 SDN 控制器放置方法。 In view of the problem of large network latency when the controller synchronized information to maintain theglobal network view, the latency-based SDN controller on-demand placement scheme was proposed.
4412 首先,根据卫星与终端的相对速度设计基于冗余覆盖的卫星子网划分机制; Firstly, the satellitesubnet division method based on redundant coverage was designed according to the relative velocity of satellite and ter-minal.