The simulation results show that the proposed control scheme not only has a good result of vibration reducing but also can lead to very high tracking precision , real time performance and robustness 仿真研究表明，采用该控制方案的柔性臂系统能有效抑制弹性振动，并具有较高的跟踪精度和较强的实时性、鲁棒性。
Considering the character of tvm guidance and the signal received by radar antenna , the extended kalman filter is used to track single target . 2 . study the data fusion algorithm used in tvm guidance 由于传统加权平均的融合方法在整个数据融合过程中,其加权系数为常数,若用于实际情况中,会降低跟踪精度。
Why dynamic high type control method can improve tracking precision is analyzed in theory and effects on dynamic performances of the method are analyzed , too . a mathematic simulation is carried out 从理论上分析了动态高型控制方法之所以能够提高跟踪精度的原因及其对系统动态性能的影响，并对该方法进行了仿真研究。
Finally , the friction model is applied after analyzing the mechanical structure of tracking system . the friction compensation had been obtained by differential feedforward applied to the output of position controller 最后建立了低速跟踪情况下的摩擦模型,并用微分前馈的方法实现摩擦补偿,消除摩擦对跟踪精度的影响,提高了跟踪精度。
This algorithm avoids the adverse influence of setting up the limit of acceleration in advance to state estimation , the simulation result shows the accuracy of the maneuvering target tracking is obviously enhanced by this algorithm 该算法避免了加速度极限值的预先设定对状态估计的不利影响，仿真结果表明，该算法提高了机动目标的跟踪精度。
Compared with traditional automatic distance tracker based on - filter , computer simulation shows that tracking precision and converging speed of the new algorithm are very high and the tracker is feasible 仿真实验表明，与传统的基于-滤波的自动距离跟踪器相比，该跟踪器的跟踪精度高、反应速度速度快，是一种切实可行的雷达自动距离跟踪方法。
The influence of swinging ship to los is analyzed in detail . the tracking precision of the shipborne tv tracker will be improved greatly when the feedforward signal otship swaying is measured by rate gyro 本文详细分析了舰船摇摆对视轴稳定的影响，通过理论推导和仿真分析论证了采用速率陀螺测量并前馈舰船摇速度信号将极大的提高舰载电视跟踪仪的跟踪精度。
Compared to other methods , the proposed method has the following advantages . firstly , it can attain high steady - state estimation performance and good tracking properties at the same time . secondly , the real time performance is very good 与以往的方法相比，该方法具有兼顾跟踪精度和跟踪速度两方面要求，用定点实现时不容易产生溢出和适合于时变信号等优点。
To overcome the bad effect of long delays , a prediction and compensation method based on an adaptive filter , which uses lms algorithm and structure of transversal filter is provided . performance of convergence of the algorithm is analyzed 为提高跟踪精度，克服延迟的影响，提出了基于横向滤波器结构和lms算法的延迟自适应预测补偿方法，并分析了算法的收敛性。
The system discussed is an ac servo system , which needs high following precision . through surveying and comparing , the least beats and no wave control system is used to control auxiliary motion to get good performance 由于本系统采用全数字交流伺服随动控制系统，要求对电机转角实时调整，并有较快的跟踪速度和较高的跟踪精度，故对控制系统和控制方法都有较高要求。
