一种多光电设备观测空间碎片能力仿真分析

Simulation Analysis of Space Debris Observation Capability of Multi-Optoelectronic Equipment

针对不同口径的光电探测设备组合设计两种扫描方式,建立多光电设备组合探测能力的评估模型。从望远镜的扫描方式、排列方式和口径等方面对模型进行仿真分析,并对仿真结果进行能力评估。仿真结果表明:针对选择已编目的空间碎片数据集,在仿真时间段,单仰角区域扫描的探测结果优于多仰角区域扫描;相同视场下,4台28 cm口径的望远镜组合的探测碎片数比15 cm口径的望远镜组合仅提高2.4%(单仰角区域扫描)和3.6%(多仰角区域扫描)。若观测需求为维持现有空间碎片的编目,建议选择性价比更高的15 cm口径的望远镜组合,若观测需求为能够探测更小尺寸的空间碎片,建议选择28 cm口径的望远镜组合。

In this study,two scanning methods are designed by combining photoelectric detection equipment having different apertures.Further,a capability evaluation model is established for the multi-photoelectric detection equipment.The model is simulated and analyzed from the scanning mode,arrangement mode and aperture of the telescope,and the simulation results are evaluated.The simulation results show that for the selected catalog space debris dataset,the detection results obtained via single-elevation-area scanning are better than those obtained via multi-elevation-area scanning during the simulation time period.Under the same field of view,the number of debris detected using a combination of four 28-cm-aperture telescopes increases only by 2.4%(single-elevation-area scanning)and 3.6%(multi-elevation-area scanning)when compared with those detected using a 15-cm-aperture telescope combination.The considerably cost-effective 15-cm-aperture telescope combination must be selected to maintain a catalog of the existing space debris,and the 28-cm-aperture telescope combination must be selected for detecting small-sized space debris.