ID 原文 译文
47156 通过计算机仿真及实际海试实验，成功实现了−10 dB 信噪比时大多普勒干扰条件下的直扩水声通信，验证了所提算法的有效性和稳健性。 At-sea data shows that improved differential energy detector combined with the proposed Doppler esti-mation method can achieve low bit error rate communication for direct-sequence spread spectrum underwater acousticcommunication with large time-varying Doppler interference when SNR is −10 dB.
47157 移动目标防御（MTD, moving target defense）是一种改变网络攻防对抗格局的技术，路径跳变则是该领域的研究热点之一。 Moving target defense is a revolutionary technology which changes the situation of attack and defense.
47158 针对现有路径跳变技术， How toeffectively achieve forwarding path mutation is one of the hotspot in this field.
47159 由于路径选取存在盲目性，跳变实施缺乏约束性，难以在保证网络性能的同时最大化防御收益等问题， Since existing mechanisms are blindnessand lack of constraints in the process of mutation, it is hard to maximize mutation defense benefit under the condition ofgood network quality of services.
47160 提出基于最优路径跳变的网络移动目标防御技术。 A novel of network moving target defense technique based on optimal forwarding pathmigration was proposed.
47161 通过可满足性模理论形式化规约路径跳变所需满足的约束，以防止路径跳变引起的瞬态问题； Satisfiability modulo theory was adopted to formally describe the mutation constraints, so as toprevent transient problem.
47162 通过基于安全容量矩阵的最优路径跳变生成方法选取最优跳变路径和跳变周期组合，以实现防御收益的最大化。 Optimization combination between routing path and mutation period was chosen by using op-timal routing path generation method based on security capacity matrix so as to maximum defense benefit.
47163 理论与实验分析了该技术抵御被动监听攻击的成本和收益， Theoreticaland experimental analysis show the defense cost and benefit in resisting passive sniffing attacks.
47164 证明其在保证网络性能的同时实现了跳变收益的最大化。 The capability ofachieving maximum defense benefit under the condition of ensuring network quality of service is proved.
47165 现代复杂通信系统具有分布式、规模大、接入信号多和并行传输等特征，其通信安全问题日益突显。 Modern complicated communication system has the characteristics of distributed, large scales, multiple-imputsignals and parallel transmission, which result in the increasing urgent problem of communication security.