ID 原文 译文
55377 针对舰载机外轮廓特点,建立了目标的凸构型描述形式,并推导了多目标间碰撞检测及距离计算方法,在此基础上提出了舰载机牵连运动的轨迹跟踪控制算法,同时引入行为动力学方法实现牵引系统的避碰路径规划。 According to the characteristics of ship-borne closed contour convex configuration description form of target is established, and deduced the multi-object collision detection and distance calculation method, based on this, advances the aircraft in motion trajectory tracking control algorithm, at the same time introducing traction system dynamics method for collision avoidance path planning.
55378 为提高复杂环境下的避碰能力,基于广义符号阈值函数,提出了避障行为策略改进方法。 In order to improve the ability of collision avoidance under complicated environment, based on the generalized symbolic threshold function, obstacle avoidance behavior strategy improvement method is proposed.
55379 仿真结果表明,本文提出的算法能够有效地解决舰载机牵引系统的避碰路径规划问题。 The simulation results show that the proposed algorithm can effectively solve the collision avoidance path planning problem of the traction system of aircraft.
55380 显著性检测算法能够提取场景中的重要目标,因而在图像和视频处理领域有着重要应用。 Significant detection algorithm can extract the important target in the scene, and thus has important application in the field of image and video processing.
55381 但目前的显著性检测算法几乎都以目标与背景之间存在显著差异为前提,利用目标与背景的差异以及目标本身的空间相关性进行算法的设计。 But now nearly all significant detection algorithm on the premise of significant differences between the target and background, use of target and background difference and spatial correlation of the goal itself design of the algorithm.
55382 本文则从图像的背景信息出发,首先利用超像素算法对图像进行预分割,去除图像中不必要的细节信息;然后利用背景信息获得初步的显著性检测结果;最后将多尺度显著性检测结果进行融合,得到最终的显著性图。 In this paper, starting from the background information of the image, first using the ultra pixel algorithm for image segmentation, remove the unnecessary details information of the image;Then use the significance of background information to obtain a preliminary test results;The final fused multiscale significance test results for, get the final significant figure.
55383 实验结果表明,本文算法的性能远优于现有检测算法。 The experimental results show that the algorithm performance is far better than the existing detection algorithm.
55384 基于平面拦截问题,考虑导弹自动驾驶仪一阶动态延迟特性,应用滑模变结构控制方法,以零化视线角速率为目的,设计了一种滑模导引律。 Based on planar interception problem, considering the missile autopilot first-order dynamic delay characteristics, the application of sliding mode variable structure control method, the line of sight angular rate to zero, for the purpose of a sliding mode guidance law is designed.
55385 该导引律可使得滑模面在有限时间内收敛至零,进入滑模面后可确保视线角速率在制导结束前收敛于零,从而保证高制导精度,且导引律中的变结构项只要大于目标加速度的变化率即可保证制导系统的有限时间收敛性和鲁棒性,从而大大降低了制导系统的抖动。 This guidance law can make the sliding surface in finite time convergence to zero, can enter the sliding mode surface to ensure that the line of sight angular rate converges to zero before the end of the guidance, to ensure high precision, and the variable structure guidance law items as long as is greater than the rate of change of target acceleration can ensure the guidance system of finite time convergence and robustness, and greatly reduce the jitter of the guidance system.
55386 最后以空中拦截为例,仿真验证了在导弹自动驾驶仪存在大延迟和目标做大机动逃逸下,该导引律具有良好的制导性能和高制导精度。 Finally in aerial intercepting, for example, the simulation is verified in the missile autopilot do big maneuver flight delays and target, the guidance law has better guidance performance and high precision.