ID 原文 译文
47946 为了分析数据丢失对测控信号无线传输迭代学习控制系统收敛性能的影响,首先分别得到了包含测控信号随机数据丢失影响因子的系统转移矩阵, To analyze data loss of tt&c signals wireless transmission effect the convergence of iterative learning control system, have been obtained respectively first contain random data measurement and control signal loss of influence factor of the system transfer matrix,
47947 然后研究了影响系统收敛速度的矩阵特征值和鲁棒收敛性的矩阵下三角内元素取值的变化情况。 and then affect the convergence rate of system matrix eigenvalue is studied and the robust convergence under the matrix of the triangle elements within the change of value.
47948 由分析可知,测量信号随机丢失会降低系统的收敛速度,而控制信号随机丢失会显著影响系统的鲁棒收敛性。 Signal is measured by the analysis, the random loss can reduce the convergent speed of system and control signal of random loss can significantly affect the system robust convergence.
47949 最后,通过仿真实验证明了分析结论的正确性。 Finally, through the simulation experiments prove the correctness of the conclusion.
47950 随着偏置反射面天线向高频段、低副瓣以及轻重量的方向发展,对其结构设计和制造工艺提出了更高的要求, As to high frequency offset reflector antenna, low sidelobe, and the direction of light weight, the structure design and manufacturing technology put forward higher request,
47951 因此,需要研究偏置反射面天线的机电耦合问题,找出影响天线电性能的主要结构因素, therefore, need to study offset reflector antenna electromechanical coupling problem, find out the main structure factors affecting the antenna performance,
47952 从而有效降低对结构设计与加工精度的要求,进而降低成本。 so as to effectively reduce the demand for structural design and machining accuracy, and reduce the cost.
47953 应用口径场法,考虑反射面表面误差和馈源误差等结构因素,建立了偏置反射面天线的机电耦合模型。 Application of aperture field method, considering the reflector surface error and error structure factors such as feed, establish the electromechanical coupling model of offset reflector antenna.
47954 通过对太阳辐射下某2.6m星载偏置反射面天线的机电耦合分析结果与电磁分析软件FEKO的仿真结果进行对比,证明了所提方法的准确性和有效性。 Through a 2.6 m under the solar radiation of spaceborne offset reflector antenna electromechanical coupling analysis results and the electromagnetic analysis software FEKO, comparing the simulation results prove the accuracy and effectiveness of the proposed method.
47955 针对逆向导航技术在实际导航中的应用,通过对逆向导航的迭代过程研究,提出了一种基于罗经法对准的严格正逆向迭代对准。 In view of the navigation, the application of reverse navigation technology in through the iterative process of reverse navigation research, this paper proposes a method based on compass on strictly positive reverse iteration alignment.