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Meteosat Third Generation (MTG) Critical Technology Pre-development Activities

机译：Meteosat第三代（MTG）关键技术预开发活动

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ESA and EUMETSAT have initiated joint preparatory activities for the formulation and definition of the Meteosat Third Generation (MTG) geostationary system to ensure the future continuity, and enhancement, of the current Meteosat Second Generation (MSG) system. The MTG programmatics are being established to ensure a seamless transition between the conclusion of the successful MSG operational system and the start of the new MTG operational system, with particular emphasis on continuity of the imagery missions.rnAfter the MTG phase A studies were successfully concluded in December 2008, the re-consolidation phase B1 activities continued from January to July 2009. They were devoted to the MTG concept definition and requirements consolidation for meeting the User needs in the field of Nowcasting and Very Short Term Weather Forecasting (NWC), Medium/Short Range global and regional Numerical Weather Prediction (NWP), Climate, Air Quality and Composition Monitoring. The following missions have been analysed, measurement techniques studied and preliminary concepts established:rn1. High Resolution Fast Imagery Mission (improved successor to MSG SEVIRI HRV mission) 2. Full Disk High Spectral Resolution Imagery Mission (improved successor to SEVIRI) 3. Lightning Imagery Mission 4. IR Sounding Mission 5. UV-VIS-NIR Sounding MissionrnBoth space segment architecture and preliminary satellite and instrument concepts were investigated in the course of these studies, and a dual satellite configuration established comprising the Imaging satellite (MTG-I) and the sounding satellite (MTG-S). The study covered all elements to a level of detail allowing to establish a technical baseline, conclude on the feasibility of the system requirements and undertake preliminary programmatic evaluation.rnRiders to the Phase A studies have been placed to further consolidate the satellite and payload definition and development, prior to the release of the Invitation To Tender (ITT) for the full space segment implementation in July 2009.rnThis paper provides an overview of the critical technologies as established in the course of MTG space segment studies. It summarises the undertakings carried out for pre-developing the necessary technologies for the associated instruments relating to Imaging, IR Sounding and Lightning missions. It provides the status of the pre-development activities including long wave IR detectors, cryo-coolers, cryogenic wiring, scan mechanism assemblies, LI detectors and narrow band filters.
机译：ESA和EUMETSAT已启动联合筹备活动，以制定和定义Meteosat第三代（MTG）地球静止系统，以确保当前Meteosat第二代（MSG）系统的未来连续性和增强性。正在建立MTG程序，以确保成功完成MSG操作系统和启动新MTG操作系统之间的无缝过渡，特别强调成像任务的连续性。 2008年12月，重新整合阶段B1活动从2009年1月持续到2009年7月。这些活动致力于MTG概念定义和需求合并，以满足临近预报和极短期天气预报（NWC）中/中等领域的用户需求。全球和区域短程数值天气预报（NWP），气候，空气质量和成分监测。分析了以下任务，研究了测量技术并建立了初步概念：高分辨率快速成像任务（改进后的味精SEVIRI HRV任务）2.全磁盘高光谱分辨率成像任务（改进后的SEVIRI任务）3.闪电成像任务4.红外探测任务5.紫外-可见-近红外探测任务rn两个空间部分在这些研究过程中，研究了其结构以及初步的卫星和仪器概念，并建立了包括成像卫星（MTG-I）和探测卫星（MTG-S）的双卫星配置。该研究涵盖了所有要素的详细程度，从而可以建立技术基准，得出系统要求的可行性并进行初步的方案评估。rn已为A期研究提供了一些参考，以进一步巩固卫星和有效载荷的定义和开发，在2009年7月发布完整空间部分的招标之前（ITT）。rn本文概述了MTG空间部分研究过程中确立的关键技术。它总结了为与成像，红外探测和闪电任务有关的相关仪器预开发必要技术而进行的工作。它提供了包括长波红外探测器，低温冷却器，低温布线，扫描机构组件，LI探测器和窄带滤波器在内的预开发活动的状态。

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