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Design, Implementation and Testing of the MAP Radiometers

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 نشر من قبل Robert S. Hill
 تاريخ النشر 2003
  مجال البحث فيزياء
والبحث باللغة English
 تأليف N. Jarosik




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The Microwave Anisotropy Probe (MAP) satellite, launched June 30, 2001, will produce full sky maps of the cosmic microwave background radiation in 5 frequency bands spanning 20 - 106 GHz. MAP contains 20 differential radiometers built with High Electron Mobility Transistor (HEMT) amplifiers with passively cooled input stages. The design and test techniques used to evaluate and minimize systematic errors and the pre-launch performance of the radiometers for all five bands are presented.



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