ID 原文 译文
20905 首先，以最大化网络资源效用为目标，建立服务链映射模型MUSCM； Firstly, it defines a SCmapping model named MUSCM to maximize the utility of network resources.
20906 然后，分虚拟网络功能(VNF)部署和组链两个部分解决服务链映射问题， Secondly, it divides the SCmapping problem into Virtual Network Function (VNF) deployment and connection parts.
20907 VNF部署部分，设计基于多对一匹配博弈理论的算法协同服务链和服务节点双方互相进行选择，有效提升了服务链的映射效率和物理资源的利用率， As for the VNF deployment part, an algorithm is designed to collaborate the selection of the SC and the service node based on many-to-one matching game, improving the mapping efficiency of SC and utilization of physical resource effectively.
20908 在此基础上，设计基于分段路由策略的算法实现各VNF实例间的流量牵引以完成VNF组链，有效降低了链路传输时延。 On the basis of it, an algorithm is designed based on segment routing strategy to accomplish the traffic steering between VNF instances to finish the VNF connection part, reducing the link transmission delay effectively.
20909 实验结果表明，与经典算法相比，该算法在保证映射请求接受率的同时，有效降低了服务链的平均传输延时，提升了系统的物理资源利用率。 The experiment result shows that, compared with the classical algorithm, this algorithm ensures the mapping request received rate, and at the same time, it reduces the average transmission delay of the service chain and improves the physical resources utilization of the system effectively.
20910 缝隙等表面缺陷类目标对飞行器的隐身性能具有重要影响。 Surface defects such as gaps have a significant impact on the stealth performance of the aircraft.
20911 根据缝隙等表面缺陷类目标的散射机理，该文提出一种载体背景对消方法，用于评估表面缺陷类目标散射。 According to the scattering mechanism of surface defects such as gaps, a method of evaluating the surface defect targets based on vector cancellation is proposed.
20912 该方法将载体作为目标背景的一部分，通过矢量场相减的方式对消掉载体的自身散射影响，特别是载体强散射角域的散射影响，从而获得了全角域范围内表面缺陷类目标的散射特性数据，解决了使用常规方法目标受载体影响无法获得完整散射特性的问题。 The carrier is regarded as the target background and is subtracted the scattering effect of the carrier, especially the strong scattering angle of the carrier, and then the scattering characteristic data of the surface defect class target in the whole angle range are obtained, which solves the problem that the complete scattering characteristic can not be obtained using the conventional method.
20913 通过数值计算和实验测量的结果对比表明：该方法可以对缺陷类目标的电磁散射特性进行有效评估。 The comparison between the numerical calculation and the experimental results shows that the vector cancellation method can effectively evaluate the electromagnetic scattering characteristics of defective targets.
20914 对消后载体散射得到了极大程度的降低，有效提高了缺陷类目标的计算或测量精度； After vector cancellation, the scattering of the carrier is greatly reduced, and the calculation or measurement accuracy of the defective target is effectively improved.