航迹缺失,track absence
1)track absence航迹缺失
1.Other problems of OTHR are low detection probabilities,low measurement accuracy and low data-sampling rate,which usually results intrack absence in some radar dwells or the case that tracks of some modes may be never initialized.针对天波超视距雷达在雷达坐标系下跟踪目标时,多路径传播效应下的各模式航迹起始与终结时刻不同而造成航迹缺失条件下的航迹融合问题,本文给出一种自适应天波超视距雷达航迹融合算法,通过应用当前时刻获得的新信息与历史时刻获得的信息联合确定最优关联假设,从而获得最优的目标状态估计。
2)Loss of imprinting印迹缺失
3)track loss航迹丢失
4)flight path航迹
1.Its application in plotting and mapping of flight routing andflight path is illustrated, which facilitates greatly the flight quality monitoring and accident investigation.对地图投影中不同投影坐标点之间的转换方法作了讨论 ,以地图投影及地图投影变换为理论基础 ,编制了地图投影变换算法 ,实现了航路与航迹图的描述及绘制 。
2.The precondition of getting the system s performance is to solve the issue offlight path control laws of the towed vehicle in the system.拖曳系统的飞行性能是评价拖曳系统可行性的一项基本内容,而要求解拖曳系统的飞行性能,则必须解决拖曳系统中运载器的航迹控制问题。
3.By analyzing the problems offlight path control technology of UAVs,this paper uses digital preview control asflight path optimizing measures,optimizes flight control performance and improves mobility and rapid reaction capability of UAVs.本文在对目前无人机航迹控制技术存在问题进行分析的基础上, 利用数字预见控制的理论和方法设计控制算法作为航迹优化措施, 优化无人机的飞行控制性能, 提高其机动性和快速反应能力。
英文短句/例句
1.Research of Aircraft Route Planning and Evaluation Algorithm;飞行器航迹规划与航迹评价算法研究
2.LORANOMEGA course and track equipment劳兰奥米加航向航迹组合设备罗兰奥米加航向航迹装置
3.dead reckoning analog indicator航迹推算模拟指示器
4.finding the course made good by three bearing of single object单物标三方位求航迹向
5.Research and Application of Trajectory Planning and Trajectory Control;飞行器航迹规划与航迹控制算法研究与实现
6.Research on Route Planning and Trajectory Control of Attack Helicopter;武装直升机航迹规划与轨迹控制研究
7.cross track error from the route真航迹与计划航向交叉误差
8.Design of GPS-Receiver and Shipping-track Management in Marine Navigation;在航海导航中的GPS接收机的研制和航迹管理
9.Study on track initiation from fragmentary plots with velocity fuzzy clustering对断续点迹的速度模糊聚类航迹起始研究
10.Based on the analysis of the present formulae of sailings, the author has derived more pre-cise sailing path formulaeos sailings.在分析现有航迹计算公式的基础上，推导了精确的航迹计算公式。
11.Request circumnavigation (to circumnavigate) 30km right of track (airway) to avoid the thunderstorm.请求向航迹（航路）右方绕行30公里以避开雷雨。
12.Study on the Key Techniques of Trajectory Planning and Integrated Navigation of UAV;小型无人机航迹规划及组合导航关键技术研究
13.The Hardware and Drivers Design of Shipping-Course and Shipping-Track Autopilot;航迹航向自动操舵仪的硬件及驱动程序设计
14.High-Altitude Long-Range Airship Dynamic Model and Trajectory Optimiziation;超高空、长航时飞艇动力学模型与航迹优化
15.Realize the Imitation of Track at the Sutong Bridge Fairway with Computer;苏通大桥桥区航行航迹模拟的计算机实现
16.The Software Analysis and Design of Shipping-Course and Shipping-Track Autopilot;航迹航向自动操舵仪的软件分析与设计
17.The Software Design and Implementation of Shipping-Track and Shipping-Course Autopilot航迹航向自动操舵仪的软件设计与实现
18.Research on Yawing Indication Method of Tracking Control in Hydrographic Sounding水深测量航迹控制的偏航指示算法研究
相关短句/例句
Loss of imprinting印迹缺失
3)track loss航迹丢失
4)flight path航迹
1.Its application in plotting and mapping of flight routing andflight path is illustrated, which facilitates greatly the flight quality monitoring and accident investigation.对地图投影中不同投影坐标点之间的转换方法作了讨论 ,以地图投影及地图投影变换为理论基础 ,编制了地图投影变换算法 ,实现了航路与航迹图的描述及绘制 。
2.The precondition of getting the system s performance is to solve the issue offlight path control laws of the towed vehicle in the system.拖曳系统的飞行性能是评价拖曳系统可行性的一项基本内容,而要求解拖曳系统的飞行性能,则必须解决拖曳系统中运载器的航迹控制问题。
3.By analyzing the problems offlight path control technology of UAVs,this paper uses digital preview control asflight path optimizing measures,optimizes flight control performance and improves mobility and rapid reaction capability of UAVs.本文在对目前无人机航迹控制技术存在问题进行分析的基础上, 利用数字预见控制的理论和方法设计控制算法作为航迹优化措施, 优化无人机的飞行控制性能, 提高其机动性和快速反应能力。
5)track[英][tr?k][美][tr?k]航迹
1.Design and simulation of aircraft typicaltrack model for air attacking;空袭目标典型航迹模型的设计与仿真实现
2.Measurement oftrack in VR system based on RCS;基于RCS的虚拟现实系统中飞行航迹的测量
3.Laser locating system of airplane s taking-off and landingtrack;飞机起落航迹激光定位系统
6)trajectory[英][tr?"d?ekt?ri][美][tr?"d??kt?r?]航迹
1.Optimization of glidetrajectory for a hypersonic vehicle;高超声速飞行器滑行航迹优化
2.Applied Trajectory Data Processing in a C~3I System;C~3I系统中的实用航迹数据处理
延伸阅读
航迹航迹trackhangji航迹(tr ack)航空器航行时在地面投影点移动的轨迹。亦称航迹线。航迹的方向，是从经线北端顺时针量到航迹的去向，这一角度叫航迹角，范围是0o一3600。在无风的情况下航行，航迹角同航向相等，航迹线与航向线重合。在有风情况下航行，航迹角同航向常不相等，航迹线与航向线常不重合。在实际工作中，需要判明航迹角同航向的关系，才能掌握航空器相对地面运动的方向。(王畏)
