Coordination within the remote sensing payload on the Solar Orbiter mission
Coordination within the remote sensing payload on the Solar Orbiter mission
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太阳轨道飞行器任务遥感有效载荷内的协调
DOI：
10.1051/0004-6361/201937032
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发表时间：
2020
影响因子：
6.5
通讯作者：
Auchère F
中科院分区：
文献类型：
--
作者：
Auchère F
为了实现使命的科学目标，太阳轨道飞行器航天器携带了一套现场（IS）和遥感（RS）仪器，设计用于具有仪器间通信能力的联合操作。事实上，以前的飞行任务表明，太阳（由遥感仪器成像）和日光层（主要由国际空间仪器采样）应被视为一个综合系统，而不是单独的实体。从Solar Orbiter预期的许多进步依赖于IS和RS测量之间的这种协同方法。AimsMany aspects of hardware development，integration，testing，and operations are common to two or more RS instruments.在本文中，我们描述的协调努力，从早期的使命阶段遥感工作组。我们审查的科学目标和挑战，并给出了一个概述的技术解决方案设计成功地操作这些仪器together.MethodsA的RS仪器的主要限制是有限的遥测（TM）的带宽的太阳轨道器深空使命相比，在地球轨道上的任务。因此，为最大限度地提高这些仪器的科学回报而开发的许多策略都围绕着TM使用的优化，例如依赖于机载自主数据处理，压缩和下行链路选择。规划过程本身已被优化，以减轻目标的动态性质，并已实施的仪器间通信计划，可用于自主改变观测模式。我们还概述了在飞行中的交叉校准，这将是必不可少的联合数据减少和analysis.ResultsThe RS仪器包太阳轨道器将进行全面的测量，从太阳内部到内日光层。由于仪器小组与欧洲空间局之间的密切协调，确定了遥感套件特有的若干挑战，并及时加以解决。
ContextTo meet the scientific objectives of the mission, the Solar Orbiter spacecraft carries a suite of in-situ (IS) and remote sensing (RS) instruments designed for joint operations with inter-instrument communication capabilities. Indeed, previous missions have shown that the Sun (imaged by the RS instruments) and the heliosphere (mainly sampled by the IS instruments) should be considered as an integrated system rather than separate entities. Many of the advances expected from Solar Orbiter rely on this synergistic approach between IS and RS measurements.AimsMany aspects of hardware development, integration, testing, and operations are common to two or more RS instruments. In this paper, we describe the coordination effort initiated from the early mission phases by the Remote Sensing Working Group. We review the scientific goals and challenges, and give an overview of the technical solutions devised to successfully operate these instruments together.MethodsA major constraint for the RS instruments is the limited telemetry (TM) bandwidth of the Solar Orbiter deep-space mission compared to missions in Earth orbit. Hence, many of the strategies developed to maximise the scientific return from these instruments revolve around the optimisation of TM usage, relying for example on onboard autonomy for data processing, compression, and selection for downlink. The planning process itself has been optimised to alleviate the dynamic nature of the targets, and an inter-instrument communication scheme has been implemented which can be used to autonomously alter the observing modes. We also outline the plans for in-flight cross-calibration, which will be essential to the joint data reduction and analysis.ResultsThe RS instrument package on Solar Orbiter will carry out comprehensive measurements from the solar interior to the inner heliosphere. Thanks to the close coordination between the instrument teams and the European Space Agency, several challenges specific to the RS suite were identified and addressed in a timely manner.
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DOI：
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影响因子：
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