| ID | 原文 | 译文 |
| 54757 | 并利用基于Khatri-Rao积的空间平滑酉旋转不变子空间(estimation of signal parameters via rotational invariance techniques,ESPRIT)算法进行DOA估计。 | And by using spatial smoothing based on Khatri - Rao product unitary rotation invariant subspace (estimation of signal parameters via rotational invariance techniques, ESPRIT) algorithm is used to estimate DOA. |
| 54758 | 其先对协方差矩阵向量化提高自由度,然后利用空间平滑对新数据协方差矩阵进行秩恢复,最后使用双尺度酉ESPRIT算法得到DOA估计。 | Its first on the covariance matrix to the quantitative increase the degree of freedom, then using spatial smoothing covariance matrix of the new data in rank, finally use double scale unitary ESPRIT algorithm for DOA estimation. |
| 54759 | 仿真结果证明所提方法的有效性。 | The simulation results prove the effectiveness of the proposed method. |
| 54760 | 根据复杂系统一般由多个分系统组成,其结构往往具有层次性的特点,研究了分层系统的测试模型,在对模型进行分层处理的基础上,采用Rollout算法对分层系统中各个子系统的相关性矩阵模型进行计算,并按照得出测试序列和层次结构建立故障诊断树,从而建立了一种分层系统诊断策略。 | According to complex system composed of multiple subsystem, its structure has the characteristics of gradation, often test model, the hierarchical system are studied in the model on the basis of hierarchical processing, USES the Rollout algorithm of hierarchical model to calculate the correlation of each subsystem in the system matrix, and established in accordance with the test sequence and hierarchy fault diagnosis tree, thus establish a layered system diagnosis strategy. |
| 54761 | 实例分析表明,基于分层考虑的诊断策略可以按照测试需求,方便地将故障隔离到各个层次,而且通过对系统进行分层处理,可降低系统的计算复杂度,缩短计算时间。 | Example analysis shows that diagnosis strategy based on hierarchical consider can according to the test requirements, easy to fault isolation to all levels, and through to the system stratification treatment, can reduce the computational complexity of the system, shorten the calculation time. |
| 54762 | 频率源相位误差作为合成孔径雷达(synthetic aperture radar,SAR)系统的一种时间去相干因素,对不同SAR系统的成像性能影响不同。 | Frequency source phase error for synthetic aperture radar (synthetic aperture radar, SAR) system of a time correlation factors of different effects on different SAR imaging performance of the system. |
| 54763 | 对于低轨单基SAR系统,频率源相位误差通常可以忽略。 | For Leo single-base SAR system, the frequency source phase error can usually be ignored. |
| 54764 | 而地球同步轨道(geosynchronous earth orbit,GEO)SAR系统具有更长的脉冲时延和合成孔径时间,此时频率源相位误差对成像性能的影响将不能被忽略。 | The geosynchronous orbit (geosynchronous earth orbit, GEO) SAR system has a longer pulse time delay and synthetic aperture time, the frequency source phase error will affect the performance of imaging can not be ignored. |
| 54765 | 本文分析了频率源相位误差对GEO SAR系统成像性能的影响,并据此给出了GEO SAR系统对频率源相位特性的要求。 | This paper analyzes the frequency source phase error of GEO SAR imaging performance of the system, and on the basis of GEO SAR system is given to the requirement of frequency source phase characteristic. |
| 54766 | 针对因发展变化受众多因素影响而具有饱和增长趋势或单峰特性的原始波动序列,为了提高预测精度,以灰色GM(1,1)幂模型为基础,构建了自忆性原理与优化GM(1,1)幂模型的耦合预测模型,用动力系统自忆性原理来克服传统灰色模型对初值比较敏感的弱点。 | For for saturated with the many factors that influence the development and change of growth or the characteristic of unimodal original sequence, in order to improve the prediction accuracy, with gray GM (1, 1) power model as the foundation, built a self-memorial principle and optimization of GM (1, 1) prediction model of coupling power model, self-memorial sex principle of power system is used to overcome the shortcoming of traditional grey model is more sensitive to initial value. |