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首页> 外文会议>AIAA aerospace sciences meeting;AIAA SciTech forum >A CubeSat Mission and Configuration Analysis for Locating and Mapping Spot Beams of Geostationary Comm-Satellites
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A CubeSat Mission and Configuration Analysis for Locating and Mapping Spot Beams of Geostationary Comm-Satellites

机译：对地静止卫星定位和测绘点波束的CubeSat任务和配置分析

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As space-rated technologies become more compact, more available, and less expensive over time, the concept of accomplishing traditionally large and expensive spacecraft missions using smaller nanosatellite-class spacecraft becomes increasingly feasible. This research focuses specifically on a CubeSat mission to assist with radio frequency (RF) domain verification; that of characterizing and mapping spot beams from communications satellites in geostationary orbit. By flying a CubeSat (or a constellation of CubeSats) through the edges of spot beams originating from geostationary communication satellites, the spot beam's coverage area will be characterized. This research conducts a mission feasibility assessment, identifies the mission requirements to complete a spot beam mapping CubeSat mission, and examines various constellation configurations that could complete the spot beam mapping mission effectively. It was found that certain CubeSat constellations performed better than others, specifically regarding mapping time, responsiveness to changing conditions, spot beam detection capability, and overall mapping resolution. Constellations with CubeSat formations that utilized a specific spacing angle between themselves in an orbital plane could be tailored to produce spot beam maps with the best resolution; however constellations with a single plane of evenly-spaced CubeSats tended to produce better results over shorter durations. Separating CubeSats into separate planes tended to increase responsiveness and overall map resolution, but doing so required more time to form a comparable solution.
机译：随着空间技术的发展，随着时间的推移，结构变得更加紧凑，可用性更高，成本更低，使用较小的纳米卫星级航天器来完成传统上大型且昂贵的航天器任务的概念变得越来越可行。这项研究专门针对CubeSat任务，以协助进行射频（RF）域验证;表征和绘制对地静止轨道通信卫星的点波束的方法。通过使CubeSat（或CubeSat星座）穿过对地静止通信卫星发出的点波束的边缘，可以确定点波束的覆盖区域。这项研究进行了任务可行性评估，确定了完成点波束映射CubeSat任务的任务要求，并研究了可以有效完成点波束映射任务的各种星座配置。结果发现，某些CubeSat星座比其他星座表现更好，特别是在映射时间，对变化条件的响应，点波束检测能力和总体映射分辨率方面。具有CubeSat编队的星座可以在轨道平面中利用它们之间的特定间隔角进行定制，以生成具有最佳分辨率的点波束图。但是，具有单一平面且均匀间隔的CubeSat的星座往往会在较短的持续时间内产生更好的结果。将CubeSat分开到单独的平面中往往会提高响应速度和整体地图分辨率，但是这样做需要更多时间才能形成可比较的解决方案。

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