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跟踪     
相关语句
  tracking
    Study on Angle Tracking and Steer System Design of Anti-helicopter Mine
    反直升机智能雷角跟踪研究及转向系统设计
短句来源
    Laser Firing and Tracking Test set for 1987 Spacelab Mission
    1987年空间实验室飞行用的激光瞄准和跟踪实验装置
短句来源
    Analysis of Dynamical Character of the Laser Tracking Apparatus of Burning Surface for Solid Propellant
    激光药条燃面跟踪测量装置的动态特性分析
短句来源
    The Capture of High Speed Motion Target and the Recognition of Multiple Targets in Television Tracking System
    电视系统对快速运动目标的捕获和多目标的识别跟踪
短句来源
    Discussing of spaceshuttle orbiter S band network communication tracking subsystem
    航天机S波段通信跟踪分系统的探讨
短句来源
更多       
  tracing
    Recognition and tracing of sea ice by marine radar on a fixed oil/gas platform
    航海雷达识别与跟踪海冰试验
短句来源
    Dynamic Objects Identifying and Tracing Based on Rough Set Theory
    基于粗糙集理论的动态目标识别及跟踪
短句来源
    Tracing Edge Algorithm and Application Based on Binary Image
    基于二值图像的目标边界跟踪算法及应用
短句来源
    System design of TV-guided seeker gyro tracing control system based on DSP Builder
    基于DSP Builder的电视导引头跟踪控制系统设计
短句来源
    After preprocessing the sampled real-time image sequences, moving target tracking is realized by combining improved Ostu algorithm and adaptive window tracing method.
    在对采集的实时序列图像进行滤波处理后,本文通过改进最大类间方差法,并将其和自适应波门跟踪方法结合起来实现运动目标的跟踪
短句来源
更多       
  trace
    When the infrared missile is tracking the equivalent radiation energy centre,the normal trace of the infrared missile tracking target craft and the countermeasure trace of the infrared missile from the infrared countermeasure decoy are simulated.
    当红外导弹跟踪等效辐射能量中心时,仿真了红外导弹正常跟踪目标机的轨迹和红外干扰弹对红外导弹的干扰轨迹。
短句来源
    The results of simulation showthat,the technique of clutter suppression has high resolution of spectrum. It can trace theDoppler location and width of main clutter spectrum,and has a satisfying clutter cancellationration.
    计算机模拟表明,基于最大熵谱估计的机载雷达杂波抑制技术有很高的谱分辨率,不仅能跟踪主杂波的频率位置而且能跟踪其谱宽度,因而具有较为满意的杂波对消化与改善因子。
短句来源
    Emulation results show that the supposed attack system can rapidly trace the motion target to satisfy the launching condition, attack the target successfully and display the launch process under the wing down wash. It offers better emulation foundation for improving the percentage of hits and fight accurately.
    仿真结果表明,本文建立的攻击系统,能够快速的跟踪目标,实现目标攻击,并反应了有旋翼下洗影响的导弹发射过程,为提高命中率精确作战提供了较好的仿真基础。
短句来源
    The PD radar can work in both search and trace mode.
    论文在给出雷达处在搜索目标状态的信号处理过程的同时,也给出了雷达处在跟踪目标状态时的信号处理过程;
短句来源
    As for the multi-target conditions, based on principle of motion continuum and trace consistence, a algorithm based on motion feature maxing-likely estimate is presented, which has been validated to have satisfied performance and relatively low computation.
    针对多目标轨迹跟踪情况,根据目标像素在图像序列中运动的连续性和轨迹一致性的原则,提出了运动特征最大似然估计算法,在一般情况下运算量小,使用效果良好,基本满足系统要求。
短句来源
更多       
  track
    A Track Correlation Algorithm for Multi-Sensor Integration
    多传感器综合的目标相关跟踪算法
短句来源
    GREY PREDICTION TRACK AND FIRE FOR A SHIP
    对舰艇的灰色预测跟踪和射击
短句来源
    A Study on the Method of the Track and Identification for TV Object Image of Bridge and Aerodrome Road
    桥梁、机场跑道电视目标图像跟踪与识别方法研究
短句来源
    Detection and Track of Weak Signal on Seeker Under Velocity Cheat Jam
    导引头中速度拖引干扰下弱信号的检测与跟踪
短句来源
    A Method of Track Correlation Based on Target Tracking
    基于跟踪滤波的航迹关联方法
短句来源
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      tracking
    Design and analysis for new discrete tracking-differentiators
          
    In this paper, some kinds of linear and nonlinear tracking-differentiators are designed by using suitable exponent functions instead of switch functions, and the stability of these tracking-differentiators is proved.
          
    From the result of simulations, it is manifest that the tracking speeds of these kinds of linear and nonlinear tracking-differentiators are very high, and their design procedures are simple.
          
    Tracking the events in the coverage of wireless sensor networks based on artificial neural-networks algorithms
          
    An image-tracking algorithm based on object center distance-weighting and image feature recognition
          
    更多          
      tracing
    Except for tracing, the algorithm requires only a couple of simple operations on polynomials that can be carried out exactly if the coefficients are rational, and the determination of the real roots of several univariate polynomials.
          
    The connection between APOTP (asymptotic pseudo orbit tracing property) for a continuous map on a compact metric space and that for the shift map on the inverse limit space is investigated.
          
    First, all contours in each slice are extracted by contour tracing algorithms.
          
    Geochemical tracing analysis shows that the Nd model ages of Paleozoic supercrustal rocks in the four blocks are dominantly Mesoproterozoic, while those of Mesozoic granites are mainly Neoproterozoic.
          
    To decipher the origin of oxygen-deficient shelfal deposits is significant for tracing the distribution of marine source rocks and interpreting the evolution of depositional environment.
          
    更多          
      trace
    Using related sequences of Lucas numbers, other 3-manifolds are constructed, their geometric structures determined, and a curious relationship between the homology and the invariant trace-field examined.
          
    Trace Inequalities, Maximal Inequalities, and Weighted Fourier Transform Estimates
          
    We show that the trace of an indefinitely oscillating function on a subspace of ?d is not always indefinitely oscillating.
          
    In the periodic case, the number of oscillations of the trace depends on the regularity of the function.
          
    As applications, we obtain characterizations of the Besov and Triebel-Lizorkin spaces on Lipschitz curves, and the trace theorem on Γ of the Besov spaces onR2.
          
    更多          
      track
    During the deployment, the nodes compete to track the event and cooperate to form an ordered topology.
          
    A decimation method is proposed to track large-sized targets and real-time experimental results verify the effectiveness of the proposed algorithm.
          
    By updating coefficients at chip rate and feeding back hypothesized chips, it can track time-variability and combat ISI effectively.
          
    The concept of validated tree is developed to track variables referenced by database operations in scripts.
          
    Due to complicated barriers, it is difficult to track the path of the mowing robot and to avoid barriers.
          
    更多          


    This paper summarizes the experimental researches, carried out in a small wind tunnel, into various plans for a millimeter wave radio telescope astrodome. Based on the enlightenment resulted from the first wind blowing tests, in a large size wind tunnel on the model of a 15m. millimeter wave radio telescope and its astrodome, and the analysis made thereby, several types of astrodome structures were suggested. A series of experiments, by means of a small wind tunnel, were made to find out the best type of astrodome...

    This paper summarizes the experimental researches, carried out in a small wind tunnel, into various plans for a millimeter wave radio telescope astrodome. Based on the enlightenment resulted from the first wind blowing tests, in a large size wind tunnel on the model of a 15m. millimeter wave radio telescope and its astrodome, and the analysis made thereby, several types of astrodome structures were suggested. A series of experiments, by means of a small wind tunnel, were made to find out the best type of astrodome structures where the wind load acted on the radio dish was reduced to the minimum. It was especially desired to reduce the positional and pitching moments, directly related to servomechanism system and tracking accuracy.After making a series of experimental researches, a final plan was chosen with D = 28m. H=10m. and three fences of hindering rotary flow. This astrodome, while given a last test in a large wind tunnel for checking-up results, was finally approved.

    本文总结了在小风洞中作毫米波射电望远镜天文圆顶复罩方案探讨的试验研究情况。根据在大风洞中对15米口径的毫米波射电望远镜及其圆顶复罩所作的吹风试验结果和对它的分析得到的一些启示,设想了多种天文圆顶结构方案,利用小风洞作了一系列试验研究,以探索减少作用在实抛物面天线上的风载的最佳圆顶结构形式。尤其是期望能减少直接影响到伺服系统和跟踪精度的方位力矩与俯仰力矩。 经过一系列的探索研究,选出了D=28米,H=10米,带有三片阻流板的天文圆顶结构方案。此方案后来在大风洞中作审核定型试验时,得到了肯定。

    A new multifunctional device to fulfil the synchronization requivement accurately is introduced.Its good anti-interference quality assures perfect performance under the condition of a very strong electro-magnetic field.The satisfactory result of the X-ray photography experiment verifies the possibility of its application in high speed photography and electrical measurements while the conventional synchronization methods become invalid.

    速度跟踪式同步机是一种新型的多功能仪器。它可以自动跟踪某些物理现象,解决实验的准确同步问题。它具有极强的抗干扰性能,可以在强电磁场干扰的恶劣条件下工作。它可以应用到闪光X射线同步照相、高速摄影、电测等各个领域,在传统的同步方式不能满足实验要求的情况下,获得令人满意的测试结果。

    Passive location and tracking method using multiple measuring station is discussed for a moving target carrying an active emitter. Weighted least square estimation for target location and Kalman filtering for tracking and predication are used in such passive location system. Simulation results show that it is an efficient mathod for emitter location. The location accuracy depends on the number, measuring accuracy and geometry of the stations and the moving emitter trajectories.

    本文探讨了在有源干扰环境下利用多个测量站对运动辐射源进行被动定位与跟踪的方法。该无源被动定位系统采用了加权最小二乘法来估计目标位置并用卡尔曼滤波器对目标进行跟踪与预测。计算机仿真结果表明,该系统可对运动辐射源定位,定位精度主要由测量站数目、布局及其测量精度和目标航迹所确定。

     
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