ID 原文 译文
49697 仿真结果表明，角加速度和一阶影响系数矩阵的变化对加速度的变化起主要作用，为步态轨迹规划提供了有价值的参考。 The simulation results show that the change of the angular acceleration and the first order influence coefficient matrix plays a main role on the change of the acceleration, for gait trajectory planning provides a valuable reference.
49698 为提高捷联寻北仪在动态干扰下的寻北精度，同时解决寻北过程中需要人工调平而耗时较长的问题，结合全姿态多位置寻北模型，提出采用小波去噪处理陀螺输出信号和总体最小二乘寻北算法的组合滤波方法。 For improving strapdown north finder found under the dynamic interference found north precision, find and solve in the process of the north need artificial leveling and time-consuming longer problems, combined with the multi position seek north model, put forward using wavelet denoising processing gyro output signal and the total least squares filtering method, north algorithm combination.
49699 针对硬阈值函数和软阈值函数去噪的局限性，使用改进阈值函数处理陀螺噪声，能够更好滤掉动态干扰; 根据多位置寻北解算特点，创新性引入总体最小二乘寻北算法，有效补偿了寻北仪的静态误差。 In view of the hard threshold function and the limitation of the soft threshold denoising function, using the improved threshold function processing gyro noise, better able to filter out the dynamic interference; In light of the characteristics of multi position found north calculating, innovative introduction of total least squares, north algorithm, compensated the north finder found static error effectively.
49700 仿真数据和实验结果表明，该组合算法能显著提高寻北仪的抗干扰能力，实现全姿态高精度寻北。 Simulation data and experimental results show that the combination algorithm can significantly improve the anti-interference ability of search north finder, realize high precision seek north.
49701 提出基于多波束天线静止地球轨道卫星的宽带移动通信系统方案，与常规结构同类系统用户相比，其容量更大、业务质量更好。 Based on multi-beam antenna static earth orbit satellite broadband mobile communication system solution, compared with the conventional structure similar users of the system, its capacity is bigger and better quality of the business.
49702 采用时隙同步码分多址辅助的多频时分多址接入、程控交换与因特网协议交换结合的交换、时分复用和准正交时分复用下行链路传输体制，可显著增加用户量，简化星上设备，改善互联网应用业务质量。 By multiple frequency of timeslot synchronous cdma aided time division multiple access, program-controlled exchange combined with Internet protocol exchange of exchange, time-division multiplexing and quasi orthogonal time-division multiplexing down link transmission system, and can significantly increase readership, simplifying the on-board equipment, improve the quality of Internet application service.
49703 用户接入信道数为173880，最高用户下载速率达155 Mbps。 User access channel number is 173880, the highest users to download rate of 155 Mbps.
49704 仿真结果表明，140个波束、每波束26个16幅度相移键控信号的用户下行链路传输比频分复用传输的链路性能改善11. 65dB，使得宽带用户"动中通"天线等效口径缩小至原来的1/4，成本大幅降低。 Simulation results show that 140 beam, beam 26 each 16 users down link amplitude phase shift keying signal transmission ratio of frequency division multiplexing transmission link performance improvement 11. 65 dB, broadband users make "on-the-move antennas equivalent diameter narrowed to a quarter of the original, cost greatly reduced.
49705 针对超空泡航行体在运动过程中面临的执行器饱和问题，提出一种基于线性变参数（linear parameter varing，LPV）的抗饱和控制方法。 In supercavitation bodies, in the process of movement problem of actuator saturation, put forward a kind of based on linear parameter varying (linear parameter varing, LPV) resistance of saturated control method.
49706 首先在航行体动力学模型基础上考虑执行器饱和非线性因素，将滑行力和执行器分别建模为时变参数的仿射函数，最终得到系统矩阵仿射依赖于时变参数的LPV模型，同时，该模型也考虑了噪声干扰条件下控制器的鲁棒性。 First based on the navigation dynamics model considering actuator saturation nonlinear factors, the sliding force and actuators are modeled as a time-varying parameter affine function, the resulting system matrix affine relies on LPV model of time-varying parameters, at the same time, this model also takes into account the noise under the condition of the robustness of the controller.