基于预测滤波的光电跟踪技术研究进展
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1中国科学院光束控制重点实验室,成都 610209;2中国科学院光电技术研究所,成都 610209;3中国科学院大学,北京 100039

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TP275 TP273+.3

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Research progress of photoelectric tracking technology based on predictive filtering
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1 Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu 610209, China; 2 Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China; 3 University of Chinese Academy of Sciences, Beijing 100039, China

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    摘要:

    随着传动系统的进步以及传感器技术的发展,光电跟踪系统的应用领域不断拓展,系统针对的跟踪目标也从高空、远距离、速度快、运动规律强的传统目标进一步拓展到了低空、距离近、速度慢、运动规律弱的新型目标。面对新型的跟踪目标,光电跟踪系统需考虑进一步提升光电跟踪技术以提高系统的跟踪能力。前馈控制是一种提高系统跟踪能力非常有效的手段,前馈控制的关键在于获取实时准确的目标运动状态,但探测目标的图像传感器一般都存在不可忽略的时间延迟。因此就形成了基于预测滤波的光电跟踪技术研究方向。本文回顾了目前主流的四种基于预测滤波的光电跟踪技术,通过仿真实验分别从频域和时域对比这四种方法性能,然后总结了这四种方法的优缺点并指出此项技术未来的发展方向。

    Abstract:

    With the development of drive systems and sensor technology, the application field of photoelectric tracking system is expanding. The target tracked by the system has also expanded from the traditional target to the new type of target. Traditional targets have the characteristics of high altitude, long distance, fast speed and strong movement rules. The characteristics of the new type of target are low altitude, short distance, slow speed and weak movement law. Faced with the new type of target, the photoelectric tracking system needs to consider further upgrading the tracking technology to improve the tracking ability of the system. Feed-forward control is an effective means to improve the tracking ability of the system. The key of feed-forward control is to obtain real-time and accurate target motion state, but the image sensor that detects the target generally has a time delay that cannot be ignored. Therefore, the research direction of photoelectric tracking technology based on predictive filtering has been formed. This paper reviews the current mainstream four photoelectric tracking technologies based on predictive filtering, and compares the performance of these four methods from the frequency domain and time domain through simulation experiments. Then, the advantages and disadvantages of these four methods are summarized. Finally, the future research direction of this technology is pointed out.

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何秋农,段倩文,周翕,毛耀.基于预测滤波的光电跟踪技术研究进展[J].电子测量技术,2021,44(9):135-144

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  • 在线发布日期: 2024-09-29
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