ID	原文	译文
5154	同时，使用合理参数计算方法得到对应的仿真模型，仿真结果验证了模型的准确性。	The corresponding simulation model is also derived by using areasonable parameter calculation method. The simulation results validate the rationality of proposed model.
5155	所提模型提高了通信系统分析及仿真效率，拓展了 V2V 信道模型研究及应用。	It greatly im-proves analysis and simulation efficiency of V2V MIMO system.
5156	针对移动目标防御最优策略选取问题，从攻击面转换（ASS）和探测面扩展（ESE）的角度形式化来定义防御策略，阐释了防御原理；	To solve the problem of the optimal strategy selection for moving target defense, the defense strategy was de-fined formally, the defense principle from the perspective of attack surface shifting and exploration surface enlarging wastaken into account.
5157	采用动态对抗和有限信息的视角对网络攻防行为进行研究，在分析攻防博弈类型和攻防过程的基础上，构建了基于信号博弈的移动目标防御模型；	Then, network attack-defense behaviors were analyzed from the sight of dynamic confrontation andbounded information. According to the analysis of attack-defense game types and confrontation process, the moving tar-get defense model based on signaling game was constructed.
5158	改进了攻防策略量化计算方法，提出了精炼贝叶斯均衡求解算法，并通过对博弈均衡的分析设计了最优防御策略选取算法。	Meanwhile, the method to quantify strategies was improved and the solution of perfect Bayesian equilibrium was proposed. Furthermore, the optimal defense strategy selection algo-rithm was designed by the equilibrium analysis.
5159	仿真实验验证了所提模型和方法的有效性。	Finally, the simulation demonstrates the effectiveness and feasibility of the proposed optimal strategy and selection method.
5160	由多种异构网络融合而成的天地一体化网络受到了研究者的广泛关注，但是其由于拓扑复杂、用户规模庞大而面临诸多安全威胁，容易出现链路切换和用户跨域漫游的情况。	Space information network composed of a variety of heterogeneous networks is widely concerned. However,the space information network is facing more security threats and more likely to roam due to its complex topology andlarge user scale.
5161	针对天地一体化网络的特点，提出了一种适用于天地一体化网络无缝切换和跨域漫游场景下的安全认证增强方案，基于安全凭证（Token）与散列链的结合，实现了用户与拜访域的双向快速认证，同时支持用户在拜访域中的合理计费。	Considering the characteristics of space information network, a secure authentication enhancementscheme for seamless handover and roaming in space information network was presented. The fast mutual authenticationand reasonable accounting between the user and the visiting domain based on the combination of Token and Hash chainwas achieved.
5162	此外，针对天地一体化网络中卫星接入点频繁切换问题，提出了 2 种无缝切换机制以确保用户通信的连续性。	In addition, two seamless handover mechanisms were proposed to ensure the continuity of usercommunication.
5163	安全性分析结果表明，所提方案不仅满足跨域漫游所必备的安全特性，还能够实现用户在拜访域的合理计费。	Finally, security analysis indicates that the scheme can not only provide essential security properties, butalso achieve reasonable accounting.