ID 原文 译文
55797 计算机仿真实验表明,该算法采用两阵元就可以实现多目标测向,其测向性能与基于均匀5元圆阵的传统多重信号分类算法相当,具有对多通道间相位不一致鲁棒性强的优点。 Computer simulation results show that the proposed algorithm USES two arrays can realize multi-target direction, the direction finding performance with five yuan based on uniform circular array of traditional multiple signal classification algorithm, has the multi-channel phase inconsistency between the advantage of strong robustness.
55798 为了对空间目标进行精确定位与跟踪,建立目标运动轨迹,对基于运动信息的星图中空间目标检测算法进行了研究。 In order to accurate positioning and tracking of space target, establish target motion trajectory, the map of space target detection algorithm based on motion information is studied.
55799 首先,基于空域目标能量累积的方法提高目标信噪比,增大弱小目标被分割出来的概率。 First of all, based on airspace target energy accumulation methods improve signal-to-noise ratio, increase the probability of weak target is split out.
55800 然后,根据相邻两帧星图中恒星相对位置不变性提取星图控制点,并根据控制点坐标求取全局运动参数。 Then, according to two adjacent frame chart stars in the relative position invariance to extract the map control points, and according to the control point coordinates to calculate the global motion parameters.
55801 然后,根据分割出的星点与控制点的位置关系,将恒星与潜在目标分类。 Then, according to the relationship between the star and the position of the control points of segmented, star and potential target classification.
55802 接下来,利用3帧最近邻关联法粗检测目标,并利用多帧前后向搜索法滤除虚假目标。 Next, coarse detection using 3 frame nearest neighbor correlation method, and USES the method of more frames to search before and after filtering false target.
55803 最后将序列星图中所有目标编号,建立起目标的轨迹针对4组实拍星图的实验结果表明:所有目标的运动轨迹全部建立,检测到目标的最小平均信噪比为2.99,目标最小平均运动速度2.47pixel/frame,最大平均运动速度12.72pixel/frame。 Final sequence map of all the target number, establish a target trajectory in view of the four groups will map the experimental results show that all the target trajectory, detect target of minimum average signal-to-noise ratio is 2. 99, target at minimum average speed 2. 47 pixel/frame, maximum average speed 12. 72 pixel/frame.
55804 本文算法基本满足星图中空间目标检测的检测概率高、虚警少和轨迹定位精度高等要求。 Algorithm in this paper the basic content of space target detection in the map high detection probability and false alarm and less track position precision higher requirements.
55805 由于四旋翼飞行器是直接由动力系统驱动控制的,因此动力系统模型的精确性至关重要。 Because the four rotor aircraft is directly driven by power system control, thus the accuracy of the dynamic system model is crucial.
55806 提出了一种新的方法,来建立精确的动力系统模型。 This paper proposes a new way to establish a mathematical model for power system.