Visual simulation is an important part of space simulation , which can present the motion of the space targets and working condition of ground facilities intuitionisticly , and can make it easier for us to find out the problems in the space experimentation and analyze them 航天试验及仿真可视化是航天试验及仿真的一个重要组成部分,能够形象、直观地展现空间目标运动及地面设备工作情况,便于航天试验或仿真时对问题进行定位及分析研究。
Radar data processing ( rdp ) is critical technology in air traffic control ( atc ) system . rdp receive observation from sensor and processing radar data to tracking target . rdp provide position , velocity , characters and maneuver of target 雷达数据处理是空中交通管制系统中的关键技术，它接收雷达传感器获取的数据并进行相应的处理，形成表示目标运动轨迹的航迹，提供目标的位置，速度，机动情况和属性识别，对目标进行跟踪和监视。
Since multiple cooperative robots will relieve human of dangerous or tedious tasks , the research on multi - robot cooperation and coordination is of great both academic and applied significance . the project , " key techniques in multi - objective cooperation and control architecture of auvs " , is financed by the post - doctor research fund of heilongjiang province 本文主要针对省政府博士后科研启动基金“水下机器人多目标运动协调与控制关键技术”项目中的多机器人协调部分进行了一些研究工作，以多移动机器人为对象，研究多机器人协调的环境建模、航行避碰和编队初始化等问题。
Disserted the principle of computer simulation of signal source of random moving multi - target , the methods of simulating two and three dimesion locuses of moving multi - target and simulating the interference of random noise . introduced the file format of the output parameters , the technique of data transformation and the method of software realization 论述了机动多目标计算机仿真信号源的原理,模拟二维及三维机动多目标运动轨迹的方法以及模拟机动多目标在运动时所受到的各种随机噪声干扰的方法，给出了输出参数的文件格式及数据转换技术，并介绍了软件的实现方法。
Dsp56f805 samples the ultrasonic pulse coming back from the target , then measures the distance and shows it on led . tms320vc5509a is accomplished the detecting speed and the main control of the radar system , is 16 fixed dsp with high performance and low power produced by ti company . dsp5509a samples the wave coming from t / r module , then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company , which controls the lcd 测距雷达系统的控制和信号处理的核心芯片是motorola公司的dsp型16位单片机56f805 ,由它对超声波回波脉冲进行ad采样后,计算目标距离并在七段数码管上显示。测速雷达系统中信号处理的核心芯片是ti公司的超低功耗、高性能的16位定点dsp ? ? tms320vc5509a ,由它对收发组件输出的多普勒回波进行采样,计算出目标运动速度后,送给辅助控制芯片? ?飞利浦公司生产的基于c51内核的增强型单片机p89v51 ,并且在液晶显示器上显示速度信息。
Based on perspective model , it was proposed that drawing camera inner parameters with physics method ; in image processing , especially the particularity of robot object localization and tracking , it was proposed that several effective methods of image smoothing and sharpening , edge detection , boundary tracking ; at the same time , in order to complete object recognition , we introduced the methods of drawing object character parameters ; in object image matching , two kinds of effective object matching arithmetic was proposed ; based on the principle of object 3d information restoration , we proposed two kinds of arithmetic of 3d coordinate restoration of object feature points , and completed object movement parameters estimate and object tracking and prediction , and presented experimental result 以透视成像模型为基础，提出了用物理方法来提取摄像机内部参数；从图像处理角度出发，针对机器人目标定位与跟踪的特殊性，提出了几种行之有效的图像平滑、锐化、边缘提取以及边界跟踪的方法；同时，为了完成目标的识别，介绍了目标特征参数的提取方法；在目标图像匹配上，提出了两种快速有效的目标匹配算法；基于目标深度信息恢复原理，提出两种目标特征点三维坐标恢复的方法，同时完成了目标运动参数估计和目标的跟踪与预报，并最后给出了实验结果。
The ant colony algorithm has been discussed . a new ant colony algorithm has been proposed , this algorithm searches from the four edge of the image instead of the all pixel in the image . it uses the condition of move with the target side , so it reduce the calculation of the ant colony algorithm 本文还对蚁群算法进行了探讨,在图像处理方面提出了一种新的蚁群算法,这种方法从图像的四条边开始进行搜索而不是以图像中的每个像素为起点进行搜索,本方法还利用了紧贴目标运动的约束条件,克服了传统的蚁群算法计算量过大的不足。
We propose a simple and fast scheme to detect moving object in complex background which is the combination of inter - frame difference , morphologi - cal filter and optical flow field . it ' s simple and fast to detect moving object using inter - frame difference . however , it ' s lack of precision and moving information 在众多的运动目标检侧算法中,我们将帧间差值法、数学形态学方法、光流场方法加以结合,提出了一个简单快速的复杂背景下多目标运动区域检测与分割算法。
In practice , it ’ s very hard to find any ideal scatter points to track , so this thesis focuses on the motion compensation algorithm base on motion parameters estimation , which is used in r - d fft imaging algorithm and verified by simulation . work of this thesis contains : first analyze the signal - processing model of isar system in detail , and establish a 3 - dimensional mathematical scattering model of moving target . then some improvements are made on existing compensation algorithm , to get a higher image quality and reduce compute burden 本论文有以下几点创新: 1 .在距离向的补偿(包络对齐)方面,采用基准相关法代替相邻相关法或积累相关法,一定程度上解决了可能出现的包络漂移和包络突跳现象;根据目标运动轨迹特点,采用二次曲线拟合的方法,将包络对齐时的局部误差转化为全局的误差,以便实现较优的整体对齐效果。
The tactical missile seeker handover accuracy from midcourse to terminal guidance is researched . the small perturbation method is proposed to analyse error sensitivity of the seeker presetting parameters from error sources . firstly , the terminal guidance seeker presetting parameters are computed , based on the equations of a surface - to - air missile movement and a target movement . then the seeker presetting unaccuracy due to the command guidance radar measurement errors is also computed . it can be seen that the seeker presetting errors increase rapidly when the missile is close to the target , which leads to an important conclusion that the late seeker handover from midcourse to teminal guidance should be avoided 研究复合制导的战术导弹中末制导交班的导引头预定精度问题.提出用小扰动法分析导引头预定参数对误差源的误差敏感性关系.以中远程防空导弹为例，结合导弹运动方程组和目标运动模型，计算了中末制导交班的导引头预定参数，并计算了在制导站雷达测量误差下的末制导导引头预定参数的计算精度.可知，导引头定位参数的计算误差随着弹目距离的接近而显著增大，得到中末制导交班不能太晚的重要结论
