Receptor de polarización a 31 GHz para radioastronomía
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URI: http://hdl.handle.net/10902/3268Registro completo
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Artal Latorre, Eduardo; Aja Abelán, Beatriz; Cagigas Ibañez, Jaime; Cano de Diego, Juan Luis; Fuente Rodríguez, Luisa María de la; Mediavilla Sánchez, Ángel; Terán Collantes, José Vicente; Villa Benito, Enrique; Hoyland, Roger J.; Casas Reinares, Francisco Javier; Ortiz García, DavidFecha
2012-09Derechos
© 2012 URSI España
Publicado en
URSI 2012, XXVII Simposium Nacional de la Unión Científica Internacional de Radio, Elche
Resumen/Abstract
This document describes the scheme and prototype test results of a broadband radioastronomy receiver aimed to obtain polarisation data of Cosmic Microwave Background (CMB) radiation from the sky. Nominal receiver bandwidth is 26 to 36 GHz. The radiometer will work as a polarimeter to obtain the polarisation Stokes parameters (Q, U and I) of the incoming electromagnetic signal to the feed-horns. Prototype tests have demonstrated the receiver concept based on electronic phase switching in two balanced branches. The correlation between signals is performed directly at 31 GHz by a broadband 3 dB/180º hybrid coupler.
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