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中文摘要：
针对光电跟踪设备高精度动态实时测量，其视场角小，独立捕获目标难度较的不足，在跟踪试验时需要外界信息引导的特点，文章在分析目标运动特征及跟踪原理的基础上，结合经典多项式曲线拟合法，利用目标实时传送的位置数据，推导了多项式航迹拟合及数据外推模型，探讨其在跟踪试验中实时计算目标的相对空间参数估值并进行目标引导的应用。结合实际试验数据，分析论证了外推后引导的数据精度，定量计算了由此解算的方位、俯仰估值误差，验证了该方法可用于实际试验解算，处理后的数据精度满足使用需求。
英文摘要：
Aiming at those shortage that photoelectrical tracking equipment of high accuracy in dynamic real-time measure?ment and small angle of field,those lead the equipment is difficult in target acquisition independently,so it requires outside targetguidance during in target tracking test.Then the paper analyzes the characteristics of the target motion and tracking principle.Basedon these analyses,the paper derives the polynomial path fitting and data extrapolation model combined with the classical polynomialfitting,and discusses the models??application of target guidance through real time calculation of the relative spatial parameters.Com?bined with the actual test data,it analyzes the accuracy of the data,and calculates the estimation error of azimuth and pitch calculat?ed by predicted data.All these prove the method can be used to solve the actual test and the data accuracy may meet the use require?ments after processing.
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