ID 原文 译文
48316 在综合电子信息系统(command,control,communication,computer,intelligence,surveillance and reconnaissance,C4ISR)和航天维修等复杂系统建设前,对系统的体系结构进行仿真和验证是降低系统后期开发成本和风险的有效方法。 In the integrated electronic information system (command, control, communication, computer, intelligence, surveillance and reconnaissance, C4ISR) and space maintenance before the construction of complex systems, the system architecture of the simulation and validation is effective way to reduce system in the late development costs and risks.
48317 提出了基于系统体系结构中的活动模型、规则模型、动态模型和数据模型等向统一的Simulink仿真模型的映射方法, Is presented based on the activities of the system architecture model, the rule model, dynamic model and data model to the unity of the Simulink model mapping method,
48318 并基于模型驱动架构中的模型转换技术实现了前者向后者的自动转换, and based on the technology of model transformations in model-driven architecture implements the automatic transformation of the former to the latter,
48319 不仅能够提高仿真模型构造的效率,还能保证仿真模型和体系结构模型的一致性。 not only can improve the efficiency of the simulation model is constructed, also can ensure the consistency of simulation model and system structure model.
48320 哈勃太空望远镜维修系统的体系结构仿真验证案例说明了方法不仅能够验证系统体系结构模型之间的逻辑一致性,还能够对系统体系结构的性能进行有效预评估。 The architecture of the Hubble space telescope maintenance system simulation example shows the method can not only verify the logical consistency between system architecture model, also can effectively preliminary evaluation on the performance of the system architecture.
48321 针对传统多贝努利滤波检测前跟踪算法中需要先验已知新生目标随机集的问题,提出一种改进算法。 In view of traditional benoit detection before tracking, filtering algorithms require the a priori known target new random set problem, an improved algorithm is put forward.
48322 首先,引入一种新的搜索机制,采用多个贝努利分量在全局范围内搜索新生目标,从而不必对目标的新生过程进行精确建模。 First of all, introducing a new search mechanism, the use of multiple benoit search the new target and weight in the global scope, which don't have to be the target of the new process for precise modeling.
48323 其次,引入一种新的回溯机制,先对每个贝努利分量进行编号,然后对存在概率超过确认门限的分量进行回溯,从而得到每个目标的完整航迹。 Secondly, introducing a new kind of back mechanism, first for each benoit components are numbered, and then the existence probability over confirm the threshold of the component to carry on the back, and the complete each of the target track.
48324 最后,引入边缘粒子滤波对多贝努利随机集进行近似,通过降低采样空间的维度提高采样效率,进而改善滤波性能。 Finally, introducing edge particle filter to approximate benoit, more random set by reducing sampling space dimension to improve sampling efficiency, and improve the filtering performance.
48325 实验结果表明,改进算法能够在新生目标随机集未知的条件下,达到与理想情况接近的性能,因此具有良好的工程应用前景。 The experimental results show that the improved algorithm can random set the new target under the condition of the unknown, as close to the ideal of performance, thus has a good prospect of engineering application.