| ID | 原文 | 译文 |
| 48236 | 针对对地观测敏捷卫星的大角度/位置的快速机动、高精度控制的任务需求,提出了一种敏捷卫星姿态确定算法。 | In view of the agile earth observation satellite large Angle rapid mobility, high precision control of the position/task requirements, an agile satellite attitude determination algorithm is proposed. |
| 48237 | 该算法利用对偶四元数推导出敏捷卫星运动学模型,并建立陀螺、星敏感器测量模型。 | The algorithm is derived using dual quaternion agile satellite kinematics model, and establish the gyro, star sensor measurement model. |
| 48238 | 通过对系统状态方程以及测量方程的线性化,应用自适应迭代扩展式卡尔曼滤波(adaptive iterated extended Kalman filer,AIEKF)算法对敏捷卫星的运动状态进行估计。 | Through linearization of system state equation and measurement equation, applying adaptive iterated extended Kalman filter (the adaptive iterated extended Kalman filer, AIEKF) algorithm to estimate the motion state of agile satellite. |
| 48239 | 仿真结果表明,所设计的算法能够有效估计系统状态噪声、测量噪声以及陀螺常值漂移,卫星的姿态角估计误差和角速度估计误差收敛至零,验证了算法的有效性。 | The simulation results show that the designed algorithm can effectively estimate the system state noise and measurement noise and gyro constant drift, the satellite attitude Angle estimation error and angular velocity estimation error converges to zero, the effectiveness of the proposed algorithm. |
| 48240 | 建立了空间、时间、容量3个维度多层次机场终端区利用率评价指标体系,采用可拓层次分析法与状态分类评价法相结合的综合评价方法,对终端区评价日利用率等级进行评判。 | Established the three dimensions space, time and capacity evaluation index system of multilevel utilization rate of the airport terminal area, the extension of analytic hierarchy process (ahp) and state classification evaluation method of comprehensive evaluation method, the heuristic evaluation, utilization level of evaluation. |
| 48241 | 该方法实现了定性与定量方法的有效结合,能准确、全面评价机场终端区的利用率等级,对促进空域充分合理使用及提高空域管理水平具有重要指导意义。 | The method to realize the effective combination of qualitative and quantitative method, can accurate and comprehensive evaluation of the airport terminal area utilization level, to promote the airspace fully rational use and improve the level of airspace management has important guiding significance. |
| 48242 | 以杭州机场终端区为例,确定了单跑道机场利用率的阈值分布,结果表明该终端区利用率等级为良,实例验证了该方法的可行性。 | In hangzhou airport terminal area, for example, to determine the utilization ratio of the single airport runway threshold value distribution, and the results show that the utilization rate of terminal area for a good grade, to verify the feasibility of the method. |
| 48243 | 根据有限集统计方法,推导得到了可适用于不可分辨目标跟踪问题的势概率假设密度(cardinalized probability hypothesis density,CPHD)滤波器。 | Was derived based on finite set statistics method, the potential can be applied to the indiscernibility target tracking problem probability hypothesis density (cardinalized aim-listed probability content density, CPHD) filter. |
| 48244 | 类似传统的点目标CPHD滤波器,该不可分辨目标CPHD滤波器不仅可以递推地传递多目标状态集合的一阶统计矩,还可以传递多目标个数(即势)的概率分布。 | Similar to the traditional point target CPHD filter, the indiscernibility target CPHD filter not only can pass recursive sets the first-order statistical moment of target state, can also pass number of multiple objective probability distribution of (potential). |
| 48245 | 蒙特卡罗仿真实验表明,相比Mahler提出的不可分辨目标PHD滤波器, | Monte carlo simulation results show that, compared with Mahler indiscernibility targets put forward by the PHD filter, |