ID 原文 译文
48376 提出了一种新的DAA-CUWB共存通信方案,首先设计多尺度的宽带频谱检测算法来感知PU所用频段,粗细尺度结合的检测方式保证频谱的准确检测和较低的复杂度, This paper proposes a new DAA - CUWB coexistence communication solution, the first design of multi-scale broadband spectrum detection algorithm is used to sense the PU band, the thickness dimension detection way of guarantee the accuracy of the frequency spectrum of detection and low complexity,
48377 进而提出基于多通道正交频域编码的脉冲成形设计算法,来避开被PU占据的频段,最大化CUWB的频谱利用率。 and then put forward based on multi-channel orthogonal frequency domain coding algorithm of the pulse forming, to avoid the PU occupy frequencies, maximize CUWB spectrum utilization.
48378 利用理论分析和仿真测试验证了所提出的DAA算法的特性,并通过性能仿真进一步论证了共存方案的有效性,实验结果表明CUWB和PU都能保证各自系统性能,并最大化地共享了频率资源。 Using theoretical analysis and simulation test to verify the effectiveness of the proposed feature of DAA algorithm, and through the performance simulation further proved the effectiveness of the proposed scheme can coexist, the experimental results show that CUWB system performance, and PU can assure respective and maximize the sharing the frequency resource.
48379 针对带有时变通信时延和输入时延的卫星编队飞行姿态协同控制问题,考虑卫星转动惯量参数不确定性及干扰,提出了一种自适应滑模L2增益控制算法。 With time-varying communication delay and input delay of satellite formation flying attitude cooperative control problem, considering the parameter uncertainty and disturbance of satellite inertia, proposed an adaptive sliding mode L2 gain control algorithm.
48380 该方法首先利用自适应参数辨识技术对由转动惯量参数不确定给系统带来的扰动上界进行估计,进而设计了含时变时延信息的滑模自适应控制器,构造Lyapunov-Krasovskii函数,从理论上证明了闭环系统在该控制器作用下可以协同达到渐进稳定。 The method using adaptive parameter identification technology first of all by the moment of inertia parameter uncertain disturbance estimate the upper bound of brings to the system, and then designs the time-varying sliding mode adaptive controller of delay information, construct the Lyapunov - Krasovskii function, is theoretically proved that the closed-loop system under the action of the controller can achieve asymptotically stable together.
48381 在此基础上,进一步考虑存在外部干扰的影响,定义包括外部干扰与自适应参数估计误差在内的广义干扰,设计了对广义干扰具有L2增益抑制作用且含时变时延信息的姿态协同控制器。 On this basis, further consideration is the influence of external disturbance, definition, including external disturbance and adaptive parameter estimation error of the generalized interference, designed to generalized interference with L2 gain inhibition and the time-varying delay information of coordinated controller.
48382 最后,仿真结果表明了所提出的控制器的可行性、有效性。 Finally, the simulation results show the feasibility and effectiveness of the proposed controller.
48383 针对作战中备件保障问题,提出了一种可移动备件仓库供应备件的新型保障方法,重点研究了可移动仓库位置优化问题。 According to operational spare parts in the security problem, puts forward a mobile spare parts supply of spare parts warehouse new guarantee method, focuses on the mobile warehouse location optimization problem.
48384 考虑运输时间和保障任务的均衡性,建立了仓库位置优化问题的模型并提出了求解算法。 Considering the transportation time and safeguard tasks of balance, warehouse location optimization model is established and algorithm are put forward.
48385 研究结果表明,采用可移动备件仓库进行备件保障,相同保障度下可以有效地减少前期备件储备总量,而备件供应总量相同时可以有效提高备件保障度,这种备件保障新方式有效缩短了备件供应所需时间。 The results show that the mobile spare parts to ensure the spare parts warehouse, under the same security degree can effectively reduce the prophase total spare parts reserve, spare parts and spare parts supply phase at the same time can effectively increase the security degree, this kind of spare parts to ensure new way to shorten the time needed for the supply of spare parts.