ID |
原文 |
译文 |
24765 |
因此,该逆变器能实现高效率稳定运行。 |
Therefore, the inverter can realize high-efficiency and stable operation. |
24766 |
动态异构冗余(Dynamic Heterogeneous Redundancy, DHR)模型的安全性分析是拟态防御的核心问题之一。 |
The security analysis of the dynamic heterogeneous redundancy (DHR) system is one key issue of the cyber mimic defense. |
24767 |
本文针对 DHR 模型安全性量化分析问题提出了执行体-漏洞矩阵和服务体-漏洞矩阵模型,实现了 DHR 系统的形式化描述。 |
We propose the executor-vulnerability matrix (MEV) and the servant-vulnerability matrix (MSV) to achieve the formal representation of the DHR system. |
24768 |
提出了攻击序列法和服务体法的两种计算方法,从系统攻击成功率和被控制率对 DHR 系统进行安全性分析,推导出非合谋(合谋)盲攻击和非合谋(合谋)最优攻击 4 种场景下安全性指标的计算公式。 |
On this basis, the attack sequence method and the servant method are proposed to analyze DHR systems' security from the attack success rate and controlled time rate. We deduce the security index calculation under (non-) collusion blind attack and (non-) collusion optimal attack scenarios. |
24769 |
通过仿真实验分析了DHR模型各因素对系统安全性的影响,给出了增强 DHR系统安全性的具体建议。 |
Therefore, we analyze the influence of various factors on DHR security through simulation experiments. We give several suggestions to enhance the DHR system's security. |
24770 |
所提方法能用于 DHR系统的安全性量化分析和比较,为DHR系统构建提供量化决策支撑。 |
The proposed approach can be used to analyze DHR systems' security and assist in constructing DHR systems. |
24771 |
针对地闪电磁脉冲计算在广域和高精度方面存在的难题,采用非均匀网格划分技术对均匀网格时域有限差分法进行改进,所提出的非均匀网格时域有限差分法适合广域地闪电磁脉冲计算。 |
Aiming to difference limitations such as low computational accuracy and weak computational performance for wide-area lightning electromagnetic pulse (LEMP), a new non-uniform grid finite difference time domain (FDTD) algorithm is proposed for large space distant conditions based on traditional uniform grid FDTD algorithm. |
24772 |
计算了 100 km 以内的地闪地面水平电场(Er),揭示了 Er随回击距离变化所体现的波形变化规律。 |
The ground horizontal electric fields (Er) generated by cloud-to-ground lightning were calculated, and the distance between the observation point and the return-stroke channel (r) within 100km. This work revealed the typical waveform variation laws of Er generated by cloud-to-ground lightning changed along the return-stroke distance. |
24773 |
同时分析了大地电导率(σ)和回击速度(v)对该距离内 Er的影响。 |
Meanwhile, the effect of the earth conductivity (σ) and return-stroke velocity (v) on Er in this range was studied by using the non-uniform grid FDTD method. |
24774 |
结果表明:Er在2km内呈单极性脉冲,500m内在首次脉冲后出现过零现象且距离越远该现象越明显,50~100km内呈双极性连续脉冲; |
Results show that the waveforms of Er present in single pulse when r<2km. There emerged zero-crossing phenomenon when r<500m, and the farther distance the more obvious. The waveforms of Er are present in bipolar pulse when r is in the range of 50~100km. |