ID |
原文 |
译文 |
58368 |
该模型归属于“无载体”自然语言生成式信息隐藏,具有较好的隐蔽性和安全性. |
This scheme belongs to“carrier-free”steganography and has good security. |
58369 |
将能量采集技术与大规模无线协作通信网络相结合,分析了在信息与能量同传环境下,大规模无线协作通信网络的中断性能. |
The outage probability in a large-scale cooperative relaying system based on simultaneous wireless information and power transfer ( SWIPT) is investigated. |
58370 |
提出了一种中继协作传输协议,将位于源节点的中继区域内,并且能够成功解码源节点信号的中继节点定义为潜在中继,潜在中继用于协助从源节点到目的节点的信息传输; |
A relay-assisted cooperative transmissionprotocol is proposed in which the relays that can decode the signal from the sources and are located in arelaying area become the potential relays,and are dedicated to assist the information transmission fromthe sources to the receivers. |
58371 |
通过随机几何的数学工具,进一步分析了接收端使用选择合并接收方式下的中断性能,并对比了协作链路、中继链路以及直接链路三者的中断概率; |
The outage probability is analyzed and the comparison is made among the direct link,the relay-only link,and the cooperative link. |
58372 |
最后对理论分析结果进行了仿真验证.验证的结果表明,最优中继策略下的中断性能最优. |
Simulation results are provided to validate ourtheoretical analysis. |
58373 |
针对盲源分离技术中欠定线性瞬时混合盲源分离的问题,基于“两步法”思路,从混合矩阵估计和源信号恢复算法两方面总结了国内外的研究现状,剖析了限制算法应用的理论问题,对欠定盲源分离下一步的研究工作进行了展望. |
Dealing with the underdetermined linear instantaneous mixing blind source separation problem,the mixing matrix estimation and source signals recovery based on a “two-step”method are concerned,the 刘 research status at home and abroad are summarized,the theoretical problems that limit theapplication of undetermined blind source separation ( UBSS) algorithms are analyzed,which make preparations for a further study of UBSS. |
58374 |
为探明减振器双向比对人-椅系统冲击动力学行为的影响规律,基于台架试验将座椅减振器阻尼特性简化为非对称分段线性函数,进而创建了人-椅非线性动力学模型及方程,并通过座椅台架试验验证了其有效性. |
To ascertain the damper bidirectional ratio effect on the impact dynamic behavior of thehuman- seat system,the most widely used X-type seat is taken as the research object. Based on themeasured data by the damper bench,the damper damping characteristic of the seat is simplified as anasymmetric piecewise linear function. |
58375 |
以典型脉冲输入模拟座椅受到的垂向冲击,对不同强度脉冲激励工况、不同减振器双向比情况下的人-椅冲击动力学行为进行数值仿真.结果表明,当座椅减振器双向比大于 1 时,更有利于衰减驾驶室地板传递到驾乘人员的冲击; |
A nonlinear dynamic model for the human-seat was proposed andits equation was created and validated by seat test. Based on the model and the equation,taking a typicalpulse with different intensity as inputs, numerical simulations were carried out under differentbidirectional ratios. |
58376 |
而且冲击输入强度越大,座椅减振器双向比大于 1 时的相对隔振效果越好. |
It is shown that when the seat damper bidirectional ratio is larger than 1,it becomesmore conducive to attenuate the impact on drivers,and the greater the impact input intensity is,thebetter the relative isolation effect is. |
58377 |
针对 Android 应用的 native 代码面对的关键代码提取攻击和恶意代码植入攻击问题,提出了一个基于控制流完整性( CFI) 保护的代码保护框架 DroidCFI. |
A native code reinforcement framework based on control-flow integrity ( CFI) ,DroidCFI isproposed,to prevent native code of Android applications from core code extraction and malicious injection. |