ID |
原文 |
译文 |
48706 |
分析了传感器误差引起的目标定位误差,指出使用协同跟踪的优势。 |
Analyzed the target positioning error caused by the sensor error, points out that the use of the advantage of the collaborative tracking. |
48707 |
针对通信约束、传感器距离约束以及精度要求,分别提出了漏斗函数、参数冻结等策略,满足了双无人机协同目标跟踪时的相关约束。 |
For communications, sensors, distance constraints, and accuracy requirements, funnel function is presented respectively, freezing parameters, such as strategy, to satisfy the double related constraints of unmanned aerial vehicle (uav) cooperative target tracking. |
48708 |
设计了双无人机目标三维定位的方法。 |
Design the double uav target three-dimensional positioning method. |
48709 |
通过对无人机双机协同跟踪精度与单机目标测量精度仿真对比,验证了算法能够在维持两种距离约束的情况下,以较高的精度跟踪目标。 |
By unmanned aerial vehicle (uav) cooperative tracking precision of two compared with single target measurement accuracy of the simulation, to verify the algorithm is able to maintain under the condition of two kinds of distance constraints, tracking the target with high accuracy. |
48710 |
分析阵面变形误差对有源相控阵天线(active phased array antenna,APAA)电性能的影响,对研究和发展高性能APAA非常重要。 |
Analysis of active phased array antenna array surface deformation error (active phased array can antenna, be used APAA) the influence of the performance, is very important for the research and development of high-performance APAA. |
48711 |
将阵面随机误差和阵面变形作为附加的相位因子引入到天线方向图函数中,建立了平面矩形APAA的阵面变形误差与电性能之间的结构-电磁耦合模型,并仿真分析了阵面存在变形误差时的天线远场方向图。 |
Will be front and random error and deformation front as additional phase factor is introduced into the antenna pattern function, the establishment of a planar rectangular APAA front shape error between the performance and structure - electromagnetic coupling model, and the simulation analysis of the matrix surface deformation error exists when the antenna far-field pattern. |
48712 |
通过所提方法与结论,工程设计人员可对加工公差提出更合理的要求。 |
By the proposed method and the conclusion, the project designers for machining tolerance request more reasonable. |
48713 |
多数产品或系统的失效可归结为其潜在的退化过程,且系统退化通常为隐含的过程而无法直接观测或测量。 |
Most of the product or system failure can be attributed to the potential degradation process, and system degradation are usually implicit process without direct observation or measurement. |
48714 |
针对隐含的退化过程不可直接观测的特点,本文提出一种基于状态空间模型的产品退化建模方法,以系统运行期间采集的性能数据为基础,结合贝叶斯估计理论,实现了对系统隐含退化状态的在线估计与预测,以及对系统性能可靠性的实时评估。 |
According to the characteristics of implicit direct observations of the degradation process, this paper proposes a modeling method based on state space model of degradation products, on the basis of the collected during the period of system operation performance data, combine the bayesian estimation theory, implements the implied degradation to the system of on-line estimation and prediction, as well as to the reliability of the system performance assessment in real time. |
48715 |
以民航发动机为对象,通过对实际收集的性能数据的分析表明,本文所提方法能够较好地用于系统性能可靠性的实时评估。 |
In civil aviation engine as an object, through the analysis of the actual collection of performance data show that proposed method in this paper can be well used in the reliability of the system performance assessment in real time. |