【作者】 王超；

【导师】 刘云清；

【作者基本信息】 长春理工大学 ， 检测技术与自动化装置， 2013， 硕士

【摘要】 空间激光通信由于频带宽、方向性好、通信速率高、保密性好、功耗低,因此被广泛的应用于军事和民用的诸多领域,具有很好的应用前景和巨大的视场潜力。航空、航海等诸多领域对光电跟踪系统提出了非常高的跟踪精度要求。本文首先阐述了空间激光通信的复合轴伺服系统中的单探测器复合轴系统的研究意义,并详细分析了单探测器复合轴系统在跟踪过程中的解耦过程和解耦条件,并对单探测器和双探测器型伺服控制系统的性能进行了实验对比分析,通过实验表明单探测器能够满足跟踪精度要求。重点研究使用高跟踪精度的预测滤波算法解决解耦过程中由于视场切换出现的目标丢失问题,并对机动目标下的Kalmam预测理论和机动目标模型进行详细的分析,’‘最后提出了修正的机动目标自适应滤波算法,此方法在提高了跟踪精度的同时,又很好地解决了解耦过程中由于视场切换导致的目标丢失问题,使跟踪具有连续性和快速性。更多还原

【Abstract】 Space laser communication is widely used in military and civilian fields and has the very good application prospect and huge potential field because of wide frequency band, good directivity, high communication rate, good secrecy and low power consumption. The high tracking accuracy requirements are put forward for photoelectric system by Aviation and navigation field.The research significance of compound-axis servo system using a CCD detector of compound-axis servo system is introduced in space laser communication, and it analyzes the decoupling process and conditions of compound-axis servo system using a CCD detector in the process of tracking, and contrasts and analyzes the performance of the CCD detector and double detector servo control system, the experiment results show that CCD detector can meet tracking accuracy requirements. It mainly discusses that it uses prediction filter algorithm of high tracking accuracy to resolve the target lost in decoupling process because the FOV is changed, Kalman prediction theory and maneuvering target model under the maneuvering target are analyzed, at last, a modified maneuvering target model and adaptive filtering algorithm is presented, the method not only improves tracking accuracy but also resolves the target lost in decoupling process because the FOV is changed, and makes the tracking continuous and fast.更多还原