ID 原文 译文
19985 实验结果表明，该方法可以将10个执行体集分为9类，而香浓-维纳指数、辛普森指数和Pielou指数只能分为4类。 The experimental results show that this method can divide 10 execution sets into 9 categories, while the Shannon-Wiener index, Simpson index and Pielou index can only divide into 4 categories.
19986 在理论上为DRS异构性量化评估提供了一种新方法，并为工程实现DRS系统提供了指导。 This paper provides a new method to quantify the heterogeneity of DRS in theory, and provides guidance for engineering DRS systems.
19987 为解决基于稀疏阵列的宽带欠定信号到达角(DOA)估计问题，该文提出基于分布式压缩感知(DCS)的宽带DOA估计算法。 In order to realize underdetermined wideband Direction Of Arrival(DOA) estimation based on sparse array, an algorithm on account of Distributed Compressive Sensing(DCS) is proposed.
19988 首先，对稀疏阵列宽带信号处理模型进行理论推导与分析，将宽带信号DOA估计建模成DCS问题； Firstly, wideband signal processing model based on sparse array is deduced and the underdetermined wideband DOA estimation is formulated as a DCS problem.
19989 其次，利用经典DCS算法实现稀疏阵列上的宽带欠定信号DOA估计； Then, the DCS-Simultaneous Orthogonal Matching Pursuit(DCS-SOMP)algorithm is utilized to solve this problem.
19990 最后，引入网格失配误差，建立包含网格失配参数的DCS模型，并进行迭代求解，实现对DOA和网格失配参数的联合估计。 Finally, the off-grid problem is considered and a joint DCS model containing off-grid parameters is established. Estimations of DOAs and off-grid parameters are achieved through iterative solution.
19991 仿真结果表明，该算法具备分辨率高、运算速度快的优点。 Simulation results show that the proposed algorithm is effective and have advantages in resolution and computational complexity.
19992 针对极化码连续取消列表(SCL)译码算法为获取较好性能而采用较多的保留路径数，导致译码复杂度较高的缺点，自适应SCL译码算法虽然在高信噪比下降低了一定的计算量，却带来了较高的译码延时。 Considering the problem that using a large number of reserved paths causes higher complexity in order to obtain better performance for polar code Successive Cancellation List (SCL) decoding, the adaptiveSCL decoding algorithm at a high Signal to Noise Ratio (SNR) reduces a certain amount of calculations, however, brings a higher decoding delay.
19993 根据极化码的顺序译码结构，该文提出了一种分段循环冗余校验(CRC)与自适应选择保留路径数量相结合的SCL译码算法。 According to the order of polar code decoding, an SCL decodingalgorithm combining segmentation Cyclic Redundancy Check (CRC) with adaptively selecting the number ofreserved paths is proposed.
19994 仿真结果表明，与传统CRC辅助SCL译码算法、自适应SCL译码算法相比，该算法在码率R=0.5时，低信噪比下(–1 dB)复杂度降低了约21.6%，在高信噪比下(3 dB)复杂度降低了约64%，同时获得较好的译码性能。 The simulation results show that compared with the traditional CRC-assisted SCL decoding algorithm and adaptive-SCL algorithm, when the code rate is R=0.5, the complexity under low SNR(–1 dB) is reduced by about 21.6%, and the complexity at high SNR (3 dB) is reduced by about 64%, at the same time, better decoding performance is obtained.