速度欺骗干扰下的机动目标跟踪技术

速度多假目标欺骗干扰下，当雷达对机动目标进行跟踪时，会遇到虚假航迹较多、真假目标鉴别难度较大、真实目标跟踪不稳定等难题。针对这些问题，提出了速度多假目标欺骗干扰下基于速度估计径向投影和运动状态计数延迟的目标跟踪算法。首先，采用速度量测和位置量测相结合的双通道机动检测方法，保证速度欺骗干扰下模型切换的准确性和及时性；然后，利用运动状态计数延迟的方法确定目标模型切换后跟踪稳定的时刻；最后，利用基于位置信息的速度估计径向投影构造检验统计量对速度欺骗干扰进行识别。仿真实验表明，该算法有较好的稳健性。

Maneuvering target tracking technology under speed deception interference

When radar is used to track the maneuvering target under speed deception interference, there are many problems such as many false trajectories, hard discrimination of true-false target, and real target tracking instability. In view of these problems, this paper puts forward the speed interference identification method based on velocity estimation radial projection and motion state count delay under multiple false target deception interference. Firstly, the dual-channel maneuver detection method combining velocity measurement and position measurement was used to ensure the accuracy and timeliness of model switching under speed deception interference. Then, the method of motion state count delay was used to determine the time of tracking stability after target model switching; Finally, the test statistics using velocity estimation radial projection based on position information was used to identify the speed deception. The simulation results show that the algorithm has good robustness.