ID 原文 译文
47386 然后依据梯度下降法推导出均衡器抽头系数更新公式，并对迭代步长进行归一化和比例系数化。 Then the update formula of the tap coefficients was derived according to the gradientdescent algorithm.
47387 算法为每个抽头系数分配与其当前时刻的幅度成正比的步长参数， Moreover, the iteration step was updated by drawing upon the normalized proportionate factor.
47388 并自适应地对幅度极小系数做向零收缩微调。 Thealgorithm not only assigned step sizes proportionate to the magnitude of the current individual tap weights, but also at-tracted the inactive taps to zero adaptively.
47389 理论分析和仿真实验表明，与现有稀疏多径信道盲均衡算法相比，该算法在保持较低剩余符号间干扰的同时，能有效提高均衡器的收敛速度。 Theoretical analysis and simulation results show that the proposed algorithmoutperforms the existing blind equalization algorithms for sparse channel in reducing ISI and improving convergence rate.
47390 针对直接变换收发结构的全双工通信终端中存在的 I/Q 不平衡问题，提出基于直接自干扰信号的收发 I/Q不平衡参数估计与补偿算法。 In order to reduce I/Q imbalance of the full-duplex terminal with direct-conversion transceiver, an algorithmbased on self-interference signal was proposed for the estimation and compensation of I/Q imbalance in both transmitter(Tx) and receiver (Rx).
47391 该算法无需外接标准的发射机或接收机进行参数估计，利用全双工结构中发射端泄露到接收端的直接自干扰信号，进行估计与分离，可分别获得收发 I/Q 不平衡参数， Without the perfect transmitter or receiver for I/Q imbalance estimation, the self-interference sig-nal from Tx chain to Rx chain was used for parameter estimation and separation, and the Tx and Rx I/Q imbalance para-meters were obtained, respectively.
47392 再进行发射前的预补偿和接收后的校正，使从外部来看该全双工终端的 I/Q 支路是平衡的，无需对其进行参数估计，从而降低整个系统信号处理的复杂度。 Then the pre-compensation before transmission and the correction after receiving was processed, so that there was nearly no I/Q imbalance in this full-duplex terminal from the view of the other terminals, andthe complexity of the signal processing will be reduced as a result of the absent of the I/Q imbalance estimation.
47393 仿真结果表明，所提算法不仅能够有效估计全双工终端的 I/Q 不平衡参数，还能对终端的收发 I/Q不平衡分别进行补偿，从而提升系统整体性能。 The si-mulation results show that the proposed algorithm can effectively estimate and compensate the I/Q imbalance of thefull-duplex Tx & Rx terminal, and improve the overall signal quality and the system performance.
47394 提出一种基于变点检测的网络移动目标防御效能评估方法。 A performance assessment approach based on change-point detection for network moving target defence wasproposed.
47395 针对网络资源图无法表示资源脆弱性对节点安全状态影响的问题，定义分层网络资源图，在建立资源脆弱性改变和节点安全状态转换关联关系的同时，提高构建和更新网络资源图的效率。 Directed to the problem of network resource graph not being able to present the effect of network resourcevulnerabilities to network nodes, a conversion relationship between resource vulnerability changes and node securitystates was established by defining the concept of a hierarchical network resource graph and the efficiency of resourcegraph construction and updating were improved.