ID 原文 译文
22525 然后将不确定性参数代入该模型，给出最差 SINR 下对应杂波协方差矩阵和目标 Toeplitz 矩阵的取值； Secondly, the clutter covariance matrix and Toeplitz matrix of target corresponding to worst-case SINR is obtained.
22526 在此基础上，利用半正定松弛，将非凸的优化模型转化为关于发射波形半正定矩阵的凸问题进行求解； Since the optimization problem of waveform is non-convex, Semi-Definite Relaxation (SDR) is adopted to converse the non-convex problem into a convex problem, which is about the semi-definite matrix of waveform.
22527 最后，通过秩 1 近似法结合最近邻方法，进一步从波形的最优矩阵解中提取出最优向量解。 Finally, the optimal vector solution of waveform can be extracted from the optimal matrix solution by the rank-one approximation method combined with the nearest neighbor method.
22528 分析表明，在稳健性能相同的情况下，与现有方法相比该算法具有更低的运算量，仿真结果验证了所提方法的有效性和稳健性。 Compared with the existing methods, the computational complexity of the proposed method is obviously reduced without losing robust performance according to the analysis. The simulation results demonstrate the effectiveness and robustness of the proposed method.
22529 机动目标检测是天波超视距雷达的研究重点之一。 Maneuvering target detection is one of the focuses in skywave Over-The-Horizon Radar (OTHR).
22530 目前已有的算法在高信噪比条件时对单个机动目标的检测效果较好，但在低信噪比时对多个机动目标的检测性能有待提高。 The performance of existing algorithms is good for single maneuvering target in the condition of high SNR. However, the performance for multiple maneuvering targets in low SNR needs to be improved.
22531 该文提出一种基于 Hankel 矩阵分解的机动目标检测算法，该算法将机动目标信号构造为 Hankel 矩阵的形式，通过矩阵分解将信号时频估计转化为线性主成分分析的凸优化问题，从而实现匀速与机动目标的分离以及多个目标的同时估计。 In this paper, a new maneuvering target detection algorithm is proposed based on Hankel matrix decomposition. The maneuvering target signal is constructed in the form of Hankel matrix. Then the time-frequency estimation of maneuvering target signal is transformed into a convex optimization problem based on linear Principal Component Analysis (PCA) by matrix decomposition, so as to realize the separation of uniform and maneuvering targets, and the simultaneous estimation of multiple targets.
22532 仿真结果证明了该算法具有估计精度高，信噪比条件低，可以同时多目标检测等优点。 The simulation results show that the proposed algorithm has the advantages of high estimation accuracy, low SNR and multiple target detection.
22533 在多用户 MIMO 系统中，信道状态的精确性严重影响干扰对齐技术的性能。 In multi-user MIMO systems, the accuracy of the Channel State Information (CSI) has a sufficient effect on performance of interference alignment scheme.
22534 该文针对信道状态信息(CSI)有限反馈导致的干扰泄露问题，提出一种基于动态反馈与功率分配的干扰对齐方法。 To solve the problem of interference leakage caused by limited feedback of CSI, a novel method for interference alignment based on dynamic feedback and power allocation is proposed.