ID 原文 译文
23545 相对于经典 SVD 算法，所提算法运算速度更快，稀疏重构效果更优。 Compared with the classical SVD algorithm, the operation speed is faster, and the sparse reconstruction effect is better.
23546 理论分析和仿真结果都验证了算法的良好性能。 Theoretical analysis and simulation results verify the good performance of the algorithm.
23547 校正源信号方向角不容易精确测量，限制了阵列有源校正方法的精度。 It is not easy to accurately measure the direction angles of calibration-source signals, which limits the precision of array active-calibration methods.
23548 另一方面，无源校正方法难以应用于存在大阵列误差的场合，其实际应用也受到严重限制。 On the other hand, passive-calibration methods are difficult to apply to the presence of large array errors, which severely limits their practical applications.
23549 该文提出一种基于旋转测量的阵列幅相误差校正新方法，无需测量校正源信号方向角就能获得较高的校正精度。 This paper proposes a rotation measurement-based method to calibrate array gain-phase errors, which can achieve high calibration precision without measuring the direction angles of calibration-source signals.
23550 该方法利用已知的阵列旋转角度，基于最大似然准则获得阵列幅相误差、校正源信号方向角及其复振幅的无模糊估计。 Using the known array-rotation angles, the maximum likelihood-based method is able to simultaneously estimate the array gain-phase errors, direction angles and complex amplitudes of calibration-source signals without ambiguity.
23551 相对于校正源信号方向角，阵列旋转角度通过专用测试转台更容易精确测量，因此该方法能以较小的代价获得很高的校正精度。 Compared with accurately measuring the direction angles of calibration-source signals, accurately measuring the array-rotation angles is much easier to be accomplished with a special test turntable, thus the proposed method can achieve quite high calibration precision at a low cost.
23552 仿真实验验证了该方法的有效性和通用性。 Some simulation tests demonstrate the effectiveness and generality of the proposed method.
23553 在软件定义网络(SDN)中，若控制节点发生不可恢复的故障，则相关交换机需向其他控制节点迁移，这将导致网络性能下降。 In Software-Defined Networking (SDN), if a controller has unrecoverable failure, the related switches immigrate to other controllers, which degrades network performance.
23554 针对这一问题，该文提出一种考虑 SDN 控制节点故障的控制器部署和交换机迁移方法。 Concerning the above problem, a strategy of controller placement and switch immigration is proposed for controller failure.