ID | 原文 | 译文 |
9094 | 首先推导了关于未知参数(电角度和噪声方差)的双源远场信号模型下非矩阵形式的闭式克拉美-罗界解析式。 | First about unknown parameters was deduced (electric) Angle and the noise variance under far-field signal model of dual source the matrix form of closed grams of Latin America - bound analytic expression. |
9095 | 在此基础上,通过建立最小距离分辨率与克拉美-罗界之间的关系等式,并用泰勒展开等数学运算做近似处理,推导得到了阵列对两信源在正交和非正交情况下的最小距离分辨率极限公式,并进一步揭示了影响系统分辨率性能的物理因素,蒙特卡罗仿真结果验证了理论推导的正确性。 | On this basis, through the establishment of minimum distance resolution and g in Latin America - the boundary equation, the relationship between with Taylor expansion and other mathematical approximate processing, the array of the two source was derived under the condition of orthogonal and nonorthogonal formula of minimum distance resolution limit and further reveals the physical factors influencing the performances of the system resolution, monte carlo simulation results verify the validity of the theoretical derivation. |
9096 | 该结论可作为评判非均匀阵列设计和衡量波达方向估计算法性能优劣的重要理论依据。 | The conclusion can be used as evaluation non-uniform array design and measure the performance of doa estimation algorithm of important theory basis. |
9097 | 针对当前装备维修质量评价忽视维修过程影响因素这一问题,将过程评价指标体系作为修后评价指标体系的先验知识,构建了一种基于贝叶斯网络的复杂装备维修质量评价模型。 | In view of the current equipment maintenance quality evaluation to ignore maintenance process factors affecting the problem, the process of evaluation index system of evaluation index system as the repaired, prior knowledge, build a kind of complex equipment maintenance quality evaluation based on bayesian network model. |
9098 | 首先,建立了过程评价指标体系和修后评价指标体系,并对各项指标进行了简要分析。 | First of all, process evaluation index system is established and repaired, the evaluation index system, and has carried on the brief analysis to the indicators. |
9099 | 然后,建立了维修质量评价的贝叶斯网络模型,通过改进的模糊综合评价方法确定了根节点的先验概率,通过专家经验法确定了子节点的条件概率,并给出了模型的具体求解步骤。 | Then, maintenance quality evaluation of bayesian network model is established, through the improvement of fuzzy comprehensive evaluation method to determine the root node of the prior probability, through expert experience method to determine the conditional probability of child nodes, and the concrete solving steps of the model is given. |
9100 | 最后,通过算例仿真与分析对提出的方法进行了验证。 | Finally, through simulation and analysis of the proposed method is verified. |
9101 | 结果表明,提出的方法能够在一定程度上解决复杂装备的维修质量评价问题,为完善复杂装备的维修质量评价理论提供了借鉴。 | The results show that the proposed method can to a certain extent, solve the problem of complex equipment maintenance quality evaluation, to improve the complex equipment maintenance quality evaluation theory has provided the reference. |
9102 | 大型复杂机电液系统的故障安全分析面临的主要障碍是历史故障数据的不足。 | Large, complex mechanical and electrical hydraulic system failure safety analysis the main obstacle is the lack of historical fault data. |
9103 | 针对该问题,提出了基于虚拟样机的机电液系统故障安全分析方法,设计并构建了其演示平台。 | Aiming at this problem, was proposed based on virtual prototype of the mechanical and electrical hydraulic system failure safety analysis method, design and build the platform. |