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Feasibility Studies for the follow-on EUMETSAT Polar System

机译：后续EUMETSAT极地系统的可行性研究

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EUMETSAT is conducting the activities for the definition of the follow-on EUMETSAT Polar System (Post-EPS), to replace the current satellite system in the 2020 timeframe and contribute to the Joint Polar System to be set up with NOAA. Through consultation with users and application experts, requirements have been defined for a range of candidate missions mainly in support of operational meteorology and climate monitoring. A number of on-board instruments, satellite platforms and ground support infrastructure are under study in coordination with ESA, NOAA, DLR and CNES. The satellites will fly in a sun synchronous, low earth orbit at 817 km altitude and 09:30 descending equatorial crossing time, providing observations with global coverage every 12 to 24 hours depending on instrument. The instruments exploit a range of techniques including multi spectral imaging, atmospheric sounding in the optical and microwave spectral domains, radio occutation sounding, scatterometry and microwave imaging. The raw instrument data will be broadcast directly by the satellites, as well as being stored on board for their transmission, in sets spanning up to a full orbit, to polar ground stations. These data will be collected at EUMETSAT facilities and processed to obtain calibrated and geo-located measurements, and records of well defined geophysical variables. The data will be distributed to the users in near real time and archived together with the data of other EUMETSAT satellite systems, making available long term records also suitable for climate monitoring. Feasibility studies for the space and ground systems will be done until early 2012 with the main objective to select the baseline configuration for preliminary definition, development and operation programmes to be proposed and coordinated within the involved organisations.
机译：EUMETSAT正在进行定义后继EUMETSAT极地系统（Post-EPS）的活动，以取代2020年时的现有卫星系统，并为将与NOAA建立的联合极地系统做出贡献。通过与用户和应用专家协商，确定了一系列候选任务的要求，这些任务主要是为了支持业务气象学和气候监测。与欧空局，NOAA，DLR和CNES协作，正在研究许多车载仪器，卫星平台和地面支持基础设施。卫星将在海拔817公里，赤道穿越时间下降09:30的太阳同步低地球轨道上飞行，根据仪器的不同，每12至24小时提供一次全球观测。这些仪器利用了一系列技术，包括多光谱成像，光学和微波光谱域中的大气探测，无线电阻塞探测，散射测量和微波成像。原始仪器的数据将直接由卫星广播，并存储在船上以便在整个轨道范围内传输到极地地面站。这些数据将在EUMETSAT设施中收集并进行处理，以获得经过校准的地理位置测量结果以及明确定义的地球物理变量的记录。这些数据将近实时地分发给用户，并与其他EUMETSAT卫星系统的数据一起存档，从而提供适用于气候监测的长期记录。空间和地面系统的可行性研究将进行到2012年初，其主要目的是为相关组织内部提出的初步定义，开发和运营计划选择基线配置。

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