ID 原文 译文
55737 针对主动式毫米波近距离圆柱扫描三维成像系统在人体安检中的应用,研究了该体制成像系统下的重构算法,给出了该系统中信号的带宽、采样准则以及在三维直角坐标系下的系统分辨率评估方法。 Close cylinder for active millimeter wave scanning 3 d imaging system in the application of human security, the system is studied in reconstruction algorithm under the imaging system, the bandwidth of the signal in the system are given, and sampling criteria and in three-dimensional rectangular coordinates system resolution evaluation methods.
55738 基于微波暗室条件下获取的高质量回波数据验证了该体制成像系统理论上的正确性,并在此基础上搭建了高速的主动式毫米波近距离圆柱扫描三维成像人体安检系统,验证了该体制成像系统在人体安检领域应用的可行性和检测能力的有效性。 Based on microwave dark room conditions to obtain the high quality of echo data verify the validity of the theoretical system of the imaging system, and on this basis to build the high speed of active millimeter wave close cylindrical scanning 3 d imaging of human security system, this system was verified the feasibility of the imaging system applied in the field of human security and the effectiveness of the detection capability.
55739 针对保证大包线稳定飞行的高超声速飞行器轨迹跟踪控制器设计问题,提出了一种多回路切换多胞自适应跟踪控制方案。 To ensure a stable flight bag line of hypersonic flight vehicle trajectory tracking controller design problem, this paper proposes a multi loop switching multiple cell adaptive tracking control scheme.
55740 基于运动模态在频率上存在显著的时标分离特性,将高超声速飞行器的状态分成内外回路进行设计,考虑到干扰及外回路对内回路的不确定影响,采用增益调度与自适应控制结合的方法设计了内外回路控制器。 Motion modal based on the frequency of significant time-scale separation properties, the state of hypersonic flight vehicle can be divided into internal and external circuit design, considering the uncertainty of outside interference and circuit internal loop, using gain scheduling and adaptive control with the method of inner and outer loop controller is designed.
55741 该方法解决了将该飞行器切换多胞系统作为整体设计时无法综合出保证全局稳定控制器的问题,并且降低了控制器设计的复杂性。 This method has solved the switching multiple cell system as a whole when the design of the controller cannot comprehensive guarantee global stability, and reduces the complexity of controller design.
55742 仿真结果表明,闭环跟踪系统在工作包线内具有良好的动态响应品质与稳态跟踪性能,从而验证了控制方案的有效性。 The simulation results show that the closed loop tracking system within the work package has good dynamic response and steady state tracking performance quality, so as to verify the validity of the proposed control scheme.
55743 大数据处理是物联网研究和应用上不可回避的难题之一,针对常用聚类方法在大数据处理上的不足,设计了一种划分聚类新方法。 Big data processing is inevitable problems on research and application of the Internet of things, one of the clustering methods commonly used for the lack of big data processing, a new method of partitioning clustering is designed.
55744 该方法采用了大数据集的抽样技术,对多次抽取的规模足够大的样本进行聚类以确定自然簇质心的初始位置,在此基础上采用抽样后剩余数据样本对质心的初始位置进行更新,以便校正偏离理想位置的初始质心。 The method adopted the sampling technology of large data set to extract many times the size of the large enough samples clustering to determine the initial position of natural cluster centroid, on the basis of the rest after using sampling data samples to update of the center of mass of the initial position, so that initial centroid correction of deviating from the ideal position.
55745 该划分聚类算法具有线性空间复杂度和时间复杂度。 The partitioning clustering algorithm with linear time complexity and space complexity.
55746 实验结果表明所提的新聚类算法不仅能得到比常用聚类算法更理想的结果,而且运行速度快,适合处理大规模数据的聚类任务。 The experimental results show that the proposed a new clustering algorithm can not only get more ideal results than commonly used clustering algorithm, and fast, suitable for processing large data clustering task.