ID 原文 译文
20885 与理想硬件技术相比,密码算法吞吐率平均只降低了约5.67%(最低3%)。 By contrast with the ideal hardware technology, the average throughput of encryption algorithms is only decreased by 5.67% (the lowest 3%).
20886 实验结果表明该文技术具有良好的可扩展性和可移植性。 The experiment also proves the scalability and portability of the proposed technique.
20887 针对现有的适用于2维阵列的无格稀疏波达方向(DOA)估计方法性能不足的问题,该文提出一种新的方法。 For the fact that current gridless Direction Of Arrival (DOA) estimation methods with two-dimensional array suffer from unsatisfactory performance, a novel girdless DOA estimation method is proposed in this paper.
20888 对2维阵列,从原子L0范数出发,证明其值等于一个以矩阵秩为目标函数的半定规划(SDP)问题的最优解。对该矩阵使用第1类有限阶贝塞尔函数近似表达,构造新的秩优化SDP问题。 For two-dimensional array, the atomic L0-norm is proved to be the solution of a Semi-Definite Programming (SDP) problem, whose cost function is the rank of a Hermitian matrix, which is constructed by finite order of Bessel functions of the first kind.
20889 根据低秩矩阵恢复理论,对该SDP问题的目标函数使用log-det函数方法平滑替代,然后使用优化最小(MM)算法求解, According to low rank matrix recovery theorems, the costfunction of the SDP problem is replaced by the log-det function, and the SDP problem is solved byMajorization-Minimization (MM) method.
20890 最后通过(半)正定Toep-litz矩阵的范德蒙分解方法实现无格DOA估计。 At last, the gridless DOA estimation is achieved by Vandermonde decomposition method of semidefinite Toeplitz matrix built by the solutions of above SDP problem.
20891 在MM算法求解模型时,使用样本协方差矩阵构造初始优化问题,减少算法迭代。 Sample covariance matrix is used to form the initial optimization problem in MM method, which can reduce the iterations.
20892 仿真实验结果表明,相较于基于网格的MUSIC和其他无格DOA估计方法,该文方法具有更好的均方根误差(RMSE)性能与对相邻源的分辨能力; Simulation results show that, compared with on-grid MUSIC and other gridless methods, the proposed method has better Root-Mean-Square Error (RMSE) performance and identifiability to adjacent sources;
20893 在快拍数充足且信噪比(SNR)较高时,适当的第1类贝塞尔函数阶数选择可以实现与较大阶数接近的RMSE性能,同时能减少运行时间。 When snapshots are enough and Signal-Noise-Ratio (SNR) is high, proper choice of the order of Bessel functions of the first kind can achieve approximate RMSE performance as that of higher order ones, and can reduce the running time.
20894 针对传统涡轮式肺活量计存在检测精度不高、可靠性差的问题,该文提出一种新颖的四线涡轮式检测方法,研制了一款高精度、高可靠性的慢阻肺监护系统。 To improve accuracy and reliability of the traditional turbine-vital capacity meter, a novel four-line turbine-detection method is presented for the high precision and high reliability Chronic Obstructive Pulmonary Disease (COPD) monitoring system.