The data handling unit of the Euclid imaging channels: from the observational requirements to the unit architecture

被引：1

作者：

Di Giorgio, Anna M. ^{[1
]}

Leutenegger, Paolo H. ^{[2
]}

Bonati, Arnaldo ^{[2
]}

Scaramella, Roberto ^{[3
]}

Refregier, Alexandre ^{[4
]}

Amiaux, Jerome ^{[4
]}

Cara, Christophe ^{[4
]}

Augueres, Jean-Louis ^{[4
]}

Schweitzer, Mario ^{[5
]}

机构：

[1] INAF, Ist Fis Spazio Interplanetario, Via Fosso Cavaliere 100, I-00143 Rome, Italy

[2] Thales Alenia Space Italia SPA, Milan, Italy

[3] Osserv Astron Roma, Rome, Italy

[4] Serv Astrophys CEA, Saclay, France

[5] Max Planck Inst Extraterr Phys, Garching, Germany

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2010: OPTICAL, INFRARED, AND MILLIMETER WAVE | 2010年 / 7731卷

关键词：

Instrument Control; Data Handling; SpaceWire; LEON processor;

D O I：

10.1117/12.857640

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The Euclid Imaging Channels Instrument of the Euclid mission is designed to study the weak gravitational lensing cosmological probe. The combined Visible and Near Infrared imaging channels will be controlled by a common data handling unit (PDHU), implementing onboard the instrument digital interfaces to the satellite. The PDHU main functionalities include the scientific data acquisition and compression, the instrument commanding and control and the instrument health monitoring. Given the high data rate and the compression needs, an innovative architecture, based on the use of several computing and interface modules, considered as building blocks of a modular design will be presented.

引用

页数：9

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