ID 原文 译文
48396 仿真结果表明,所提算法能够有效降低系统总能耗、缩短任务完成时间。 The simulation results show that the proposed algorithm can effectively reduce the system total energy consumption, shorten the task completion time.
48397 针对临近空间飞行器再入段的异构复合控制问题,提出了适合该类飞行器气动舵和反作用控制系统的复合控制模式及其构型,并设计了相应的异构复合控制律。 In view of the near space vehicle reentry period of heterogeneous composite control problem, put forward the suitable for the aircraft aerodynamic rudder and reaction control system of the compound control mode and its configuration, and design the corresponding heterogeneous composite control law.
48398 在此基础上完成了适合高空段的指令型控制器设计和适合中空段的力矩型控制器设计,指令型控制器实现了高空段姿态的快速与平稳响应控制,力矩型控制器实现了中空段姿态的精确跟踪与强干扰抑制控制。 On the basis of completed a controller design is suitable for high altitude of instruction and is suitable for the torque controller design, hollow section above instruction type controller implemented the attitude of fast and smooth response control, the attitude of the hollow type torque controller implemented the precise tracking and disturbance rejection control.
48399 仿真表明所提方法的姿态角与舵偏角动态响应平稳,组合拉偏下的跟踪误差小于0.5°,超调小于5%,满足临近空间飞行器姿态复合控制的工程设计要求。 Simulation shows that the proposed method of attitude Angle and steering Angle dynamic response is smooth, combination, offset tracking error is less than 0.5 °, overshoot less than 5%, meet the near space vehicle attitude composite control engineering design requirements.
48400 针对无人机数据链路高速传输的工程应用需要,提出了一种基于伪随机后缀的正交频分复用(orthogonal frequency division multiplexing,OFDM)系统模型, In accordance with the need of engineering application of uav data link high-speed transmission, this paper puts forward a kind of pseudo random suffixes of orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) system model,
48401 并针对其数据链路在快时变信道下的信道估计需求,提出了基于最小平方(least square,LS)的信道估计方法和利用重叠相加法(overlap add,OLA)、自干扰消除(selfinterference cancellation,SIC)、判决反馈(decision-directed,DD)的符号恢复方法。 and aimed at the data link in the fast channel estimation under the time-varying channel requirements, was proposed based on least square (further square, LS channel estimation method and using the method of overlap-adding (overlap add, OLA), to eliminate the interference (selfinterference cancellation, SIC) and decision feedback (symbol of the decision - directed, DD) recovery method.
48402 在无人机常见的运动速度下,对误码率性能进行了仿真分析。 Under the unmanned aerial vehicle (uav) common speed, simulation analysis on the bit error rate performance.
48403 仿真结果表明,该方法在快时变信道具有较好性能,对无人机数据链路高速传输具有良好的工程应用前景。 The simulation results show that the method has good performance in fast time-varying channel, the uav data link high-speed transmission has a good prospect of engineering application.
48404 针对机载武器捷联惯导系统快速精确传递对准问题,建立了速度加姿态匹配传递对准模型,将系统噪声、速度观测噪声建模为高斯白噪声,而将受机翼挠曲变形影响的姿态观测噪声建模为能量有限噪声。 For airborne weapon strapdown inertial navigation system quickly and accurately transfer alignment, velocity and attitude matching transfer alignment model is established, will accelerate the system noise and observation noise is modeled as a gaussian white noise, and attitude will be affected by the wing flexure deformation observation noise is modeled as a finite noise energy.
48405 建立了观测噪声中既有高斯白噪声又有能量有限噪声的滤波性能优化指标,将滤波问题转化为最小最大问题,采用拉格朗日乘子法对最小最大问题进行了求解。 Established the observation noise in both white gaussian noise and energy limited noise filtering performance optimization index, minimum filtering problem can be converted to the biggest problem, using the Lagrange multiplier method for solving the problems of the minimum maximum.