ID 原文 译文
6754 首先结合轨道高斯摄动方程和泰勒展开得到解析的轨道规避机动动力学模型,分析了机动脉冲与航天器相对运动的线性关系; First with gauss perturbation equation and Taylor expansion analytical orbit dynamic model of the escaping motor pulse are analyzed with spacecraft relative motion linear relation;
6755 然后通过航天器位置协方差信息及交会平面的相对位置信息得到航天器危险交会的碰撞概率和交会距离,并采用机动方向和机动大小分步求解的策略计算机动冲量; Then by covariance spacecraft position information and the relative position of intersection plane information is the collision probability of dangerous spacecraft rendezvous and intersection distance, and adopting the tactics of mobile direction and size then calculate motor impulse;
6756 最后通过数值仿真对面内脉冲机动规避策略进行验证,仿真结果表明所设计的面内脉冲规避策略能够得到不同时机下的最优脉冲。 Finally, numerical simulation is opposite in pulse evasive maneuvers strategy for validation, the simulation results show that the designed surface pulse inside avoid strategies under different time to get the optimal pulse.
6757 方向调制技术是近年来物理层安全通信领域研究的热点之一。 Modulation technology in recent years, the physical layer is one of the hotspot in research of secure communication.
6758 现有的研究都是采用均匀相控阵根据应用场景性能要求的不同来研究方向调制信号的综合算法,不同场景性能要求下综合算法不具有通用性。 Existing research is by uniform phased array research direction according to the application scenario performance requirements of different modulation signal synthesis algorithm, integrated algorithm under different scenarios performance requirements have no generality.
6759 针对这一问题提出了一种基于稀疏阵列的方向调制信号综合算法。 In order to solve this problem this paper proposes a comprehensive algorithm based on sparse array in the direction of the modulation signal.
6760 算法中首先利用前向后向矩阵束方法求解稀疏阵列的阵元位置,然后针对方向调制信号应用场景性能要求建立相应的优化问题,通过优化问题中的目标函数和约束条件将不同的性能要求统一到一个优化问题中求解稀疏阵元对应的激励。 The algorithm firstly before back to the matrix method for solving sparse array beam of array element position, and then in view of the direction of modulation signal application scenario performance requirements to establish the corresponding optimization problem, through the optimization of objective function and constraint conditions of unifying the different performance requirements to an optimization problem solving sparse array element corresponding incentive.
6761 仿真结果表明所提的基于稀疏阵列的方向调制信号综合算法相比于均匀阵列的方向调制信号综合算法能够更好地适应不同场景性能要求下方向调制信号发射机的设计。 Simulation results show that the proposed based on sparse array in the direction of the modulation signal synthesis algorithm compared to the homogeneous array in the direction of the modulation signal synthesis algorithm can better adapt to different scene performance requirements under the direction of the design of the modulation signal transmitter.
6762 为了探测因杂波干扰强度大、目标回波微弱等原因,导致雷达操纵员将其误当成杂波点的慢速小目标。 To detect weak because of clutter interference intensity, target echo, causing radar operator error as its clutter slow small target.
6763 把连续多帧雷达图像进行长时间积累,针对多帧雷达图像积累中目标回波不连通的情况,提出了一种目标回波不连通的慢速小目标探测方法。 The continuous accumulation of radar images for a long time, more for accumulation of multiple radar images of the target echo is not connected, this paper proposes a target echo disconnected slow small target detection method.