期刊
JOURNAL OF INSTRUMENTATION
卷 4, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1748-0221/4/12/T12009
关键词
Space instrumentation; Microwave radiometers; Instruments for CMB observations; Instrumental noise
资金
- NASA (USA)
- Ministerio de Educacion y Ciencia, Spain [ESP2004-07067-C03-02]
- Academy of Finland [205800, 214598, 121703, 121962]
- Frenckells stiftelse
- Magnus Ehrnrooth Foundation
- Vaisala Foundation
- UK Space Agency [ST/F011849/1] Funding Source: researchfish
- Academy of Finland (AKA) [121962, 121703, 121962, 205800, 121703, 205800] Funding Source: Academy of Finland (AKA)
The Planck Low Frequency Instrument (LFI) radiometers have been tested extensively during several dedicated campaigns. The present paper reports the principal noise properties of the LFI radiometers. A brief description of the LFI radiometers is given along with details of the test campaigns relevant to determination of noise properties. Current estimates of flight sensitivities, 1/f parameters, and noise effective bandwidths are presented. The LFI receivers exhibit exceptional 1/f noise, and their white noise performance is sufficient for the science goals of Planck.
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