In order to meet the requirements of highly update frequency of moving target's state in scene simulation system,smooth track extrapolation of moving target is needed.A smooth track extrapolation algorithm is proposed,the kinematic model and smooth track extrapolation model of moving target are established.Principle and method of smooth track extrapolation in conditions of congestion is mainly researched.The simulation result and engineering application show the effectiveness of the method.%为满足视景仿真中运动目标状态的高更新频率的需求,需要对目标进行航迹平滑外推.设计了运动目标的航迹平滑外推算法,建立了目标运动模型和运动目标的航迹平滑外推模型.重点研究了阻塞情况下运动目标的航迹平滑外推的原则和方法.仿真结果及工程应用验证了该算法的有效性.
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