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The CYGNSS Ground Segment; Innovative Mission Operations Concepts to Support a Micro-Satellite Constellation

机译:cygnss地面段; 创新的特派团运营概念支持微卫星星座

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Hurricane track forecasts have improved in accuracy by ~50% since 1990, while in that same period there has been essentially no improvement in the accuracy of intensity prediction. One of the main problems in addressing intensity occurs because the rapidly evolving stages of the tropical cyclone (TC) life cycle are poorly sampled in time by conventional polar-orbiting, wide-swath surface wind imagers. NASA's most recently awarded Earth science mission, the NASA EV-2 Cyclone Global Navigation Satellite System (CYGNSS) has been designed to address this deficiency by using a constellation of micro-satellite-class Observatories designed to provide improved sampling of the TC during its life cycle. Managing a constellation of Observatories has classically resulted in an increased load on the ground operations team as they work to create and maintain schedules and command loads for multiple Observatories. Using modern tools and technologies at the Mission Operations Center (MOC) in conjunction with key components implemented in the flight system and an innovative strategy for pass execution coordinated with the ground network operator, the CYGNSS mission reduces the burden of constellation operations to a level commensurate with the low-cost mission concept. This paper focuses on the concept of operations for the CYGNSS constellation as planned for implementation at the CYGNSS MOC in conjunction with the selected ground network operator.
机译:自1990年以来,飓风轨道预测精确地提高了〜50%,同时在同一时期内基本上没有改善强度预测的准确性。出现寻址强度的主要问题之一是因为热带气旋(TC)寿命周期的快速发展阶段通过常规极性轨道宽宽度表面风成像仪在时间上及时差。美国宇航局最近获得的地球科学使命是NASA EV-2 Cyclone全球导航卫星系统(Cygnss)旨在通过使用旨在在其生命期间提供改进的TC的改进的采样来解决这一缺陷循环。管理观察团的星座已经典型导致地面运营团队的负载增加,因为它们正在为多个观察者创建和维护时间表和命令负载而增加。使用现代工具和技术在特派团运营中心(MOC)与飞行系统中实施的关键组件以及与地面网络运营商协调的通过执行的创新策略,Cygnss任务将星座作业的负担降低到相应的水平具有低成本的使命概念。本文重点介绍CyGNSS星座的操作概念,以便与所选择的地面网络运营商一起在Cygnss MoC中实施。

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