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- Istituto Nazionale di Fisica Nucleare, Sezione di MilanoIT139 papers
- Centre National de la Recherche ScientifiqueFR46 papers
- University of PaduaIT42 papers
- University of TriesteIT41 papers
- National Institute for AstrophysicsIT38 papers
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22 papers · 1 filter
W-band prototype of platelet feed-horn array for CMB polarisation measurements
Francesco Del Torto, Marco Bersanelli, Francesco Cavaliere +10
We present the design and performance of a 2x2 prototype array of corrugated feed-horns in W-band. The module is fabricated using a so-called "platelet" technique by milling Alumin…
Modeling the frequency response of microwave radiometers with QUCS
Andrea Zonca, Bastien Roucaries, Brian Williams +8
Characterization of the frequency response of coherent radiometric receivers is a key element in estimating the flux of astrophysical emissions, since the measured signal depends o…
A systematic approach to the Planck LFI end-to-end test and its application to the DPC Level 1 pipeline
M. Frailis, M. Maris, A. Zacchei +23
The Level 1 of the Planck LFI Data Processing Centre (DPC) is devoted to the handling of the scientific and housekeeping telemetry. It is a critical component of the Planck ground…
LFI 30 and 44 GHz receivers Back-End Modules
E. Artal, B. Aja, M. L. de la Fuente +19
The 30 and 44 GHz Back End Modules (BEM) for the Planck Low Frequency Instrument are broadband receivers (20% relative bandwidth) working at room temperature. The signals coming fr…
LFI Radiometric Chain Assembly (RCA) data handling "Rachel"
M. Malaspina, E. Franceschi, P. Battaglia +26
This paper is part of the Prelaunch status LFI papers published on JINST (http://www.iop.org/EJ/journal/-page=extra.proc5/1748-0221). Planck's Low Frequency Instrument is an array…
Planck-LFI: Design and Performance of the 4 Kelvin Reference Load Unit
Luca Valenziano, Francesco Cuttaia, Adriano De Rosa +35
The LFI radiometers use a pseudo-correlation design where the signal from the sky is continuously compared with a stable reference signal, provided by a cryogenic reference load sy…