ID 原文 译文
17885 实验结果表明,与使用加性嵌入失真方法相比,该方法能获得更好的安全性和率失真性能。 Experimental results demonstrate that the proposed method canenhance the security performance significantly compared with the typical methods using additive embeddingdistortions and obtain the relatively better video coding quality as well.
17886 软件定义网络(SDN)为网络基础设施提供灵活性、可管理性以及可编程性的同时,引入了诸多新型的攻击向量。 The flexibility, manageability, and programmability brought by Software-Defined Networking (SDN),however come at the cost of new attack vectors.
17887 该文介绍了攻击者针对OpenFlow关键字段发起的恶意操纵攻击,并设计了3种基于数据包转发时延的嗅探技术以保证字段操纵攻击在真实SDN网络中的可实施性。 Malicious manipulation attacks against the key fields inOpenFlow is proposed, and three sniffing technologies based on forwarding delay to ensure the feasibility of manipulation attacks are designed.
17888 实验结果表明,字段操纵攻击严重消耗了SDN网络资源,进而导致合法用户之间的通信性能明显降低。 The experimental results show that the field manipulation attacks consumeSDN resources greatly, leading to a significant decrease in the communication performance between legitimateusers.
17889 针对低信噪比下非周期长码直接序列码分多址(NPLC-DS-CDMA)信号伪码序列估计问题,该文提出一种基于张量分解和多项式库搜索的多天线估计方法。 To deal with the problem of estimation of the pseudo noise sequence for Non-Periodic Long CodeDirect Sequence Code Division Multiple Access (NPLC-DS-CDMA) signals under low signal-to-noise ratio, amethod using multi-antenna based on tensor decomposition and polynomial library search is proposed.
17890 该方法首先对接收信号建模为3阶张量模型并根据扩频增益分割为多个子张量, Firstly,the received signals are modeled as a third-order tensor model and the tensor is divided into multiple sub-tensors according to the spreading gain.
17891 然后利用交替最小二乘投影(ALSP)算法对子张量进行CP分解得到伪码片段因子矩阵和接收增益因子矩阵,利用接收增益矩阵互相关性和旁瓣能量检测对伪码片段组合序列筛选得到每个用户的伪码序列, Secondly, the pseudo noise code fragment factor matrixs and thereceiver gain factor matrixs are obtained from the sub-tensors by Canonical Polyadic (CP) decomposition whichuses the Alternating Least Squares Projection (ALSP) algorithm, and then the pseudo noise sequence of eachuser is obtained by selecting pseudo noise code fragment combination sequence according to the cross-correlation of the receiver gain factor matrixs and sidelobe energy detection.
17892 最后利用多项式库搜索的方法识别出伪码序列的生成多项式,进一步提高伪码序列估计的正确率。 Finally, the polynomial librarysearch method is applied to identifying the generator polynomial of the pseudo noise sequence in order tofurther improve the accuracy of the pseudo code sequence estimation.
17893 仿真结果表明,所提方法能够实现对NPLC-DS-CDMA信号伪码序列的有效估计。 The simulation results show that theproposed method can effectively estimate the pseudo noise sequence of the multi-antenna NPLC-DS-CDMAsignals.
17894 现有频谱弥散干扰(SMSP)抑制算法以一个长度为雷达发射信号的受干扰回波为处理对象,未涉及相参处理间隔内整体回波。 The existing SMeared SPectrum (SMSP) jamming suppression algorithms take a jammed echo whoselength equal to radar transmitting signal as the processing object and do not involve the whole echo within thecoherent processing interval.