论文标题
检测前测定轨道测定:轨道参数匹配过滤以进行未经检测
Orbit Determination Before Detect: Orbital Parameter Matched Filtering for Uncued Detection
论文作者
论文摘要
本文提出了一种新型算法,通过扩展标准歧义函数以匹配开普勒两体轨道,将轨道参数纳入雷达歧义函数表达式中。连贯的轨道匹配过滤器将最大程度地提高雷达对轨道物体的敏感性,并从单个检测中提供快速的初始轨道测定。然后,本文显示了如何通过将雷达参数纳入轨道搜索空间,尤其是对于圆形轨道来实现的未发现检测搜索如何实现。将模拟结果与从阵地数据获得的结果进行了比较,该结果表明由所提出的方法确定的轨道路径以及将要观察到的相关雷达参数与源自埃弗默里斯数据的轨道匹配。
This paper presents a novel algorithm to incorporate orbital parameters into radar ambiguity function expressions by extending the standard ambiguity function to match Keplerian two-body orbits. A coherent orbital matched-filter will maximise a radar's sensitivity to objects in orbit, as well as provide rapid initial orbit determination from a single detection. This paper then shows how uncued detection searches can be practically achieved by incorporating radar parameters into the orbital search-space, especially for circular orbits. Simulated results are compared to results obtained from ephemeris data, showing that the orbital path determined by the proposed method, and the associated radar parameters that would be observed, match those derived from the ephemeris data.