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Conference object . 2021
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Acondicionamiento de un radiotelescopio utilizando Software Defined Radio (SDR)

Authors: Araujo Furlan, Susana Beatriz; Carlos Alberto, Valotto;

Acondicionamiento de un radiotelescopio utilizando Software Defined Radio (SDR)

Abstract

En este reporte, presentamos el desarrollo de una antena para la detección de ondas de radio. El sistema receptor consiste de un dipolo de media onda para 610 MHz acoplado a un reflector semi-parabólico de parrilla, un amplificador de bajo ruido y, como detector, un Software Defined Radio RTL-SDR conectado a una computadora. El objetivo principal del trabajo es la calibración del sistema por el método del factor-Y, utilizando al Sol como fuente. Nuestros resultados preliminares indican que la primer implementación del sistema no produjo las medidas necesarias para llevar a cabo la calibración. Concluimos que las causas más probables de esto son la inestabilidad a lo largo del tiempo del receptor y la forma en que se tomaron las mediciones. Discutimos los próximos pasos para solucionar el problema y concluir con la calibración proyectada.

We present the development of a radio antenna using a Software Defined Radio (RTL-SDR). The receiver system consists of a half-wave dipole for a frequency of 610 MHz, a low noise amplifier and the RTL-SDR receiver connected to a computer. The main goal of this work is the calibration of the system by means of the Y-factor method, using the Sun as the source. Our first results show that we could not obtain the necessary measurements to carry out the calibration. We conclude that the main issue is the time-instability of the system. We discuss the following steps required to complete the calibration.

Fil: Araujo Furlan, Susana Beatriz. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina. Universidad Nacional de Córdoba. Facultad de Matemática, Astronomía y Física. Sección Ciencias de la Computación; Argentina

Fil: Carlos Alberto, Valotto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomía Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomía Teórica y Experimental; Argentina. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba; Argentina

Municipalidad de Rosario. Secretaría de Cultura y Educación. Complejo Astronómico Municipal 'Galileo Galilei'

Universidad Nacional de Rosario. Facultad de Ciencias Exactas, Ingeniería y Agrimensura

62° Reunión Anual de la Asociación Argentina de Astronomía

Asociación Argentina de Astronomía

Argentina

Rosario

Country
Argentina
Keywords

OBSERVACIONAL, SOL, https://purl.org/becyt/ford/1.3, INSTRUMENTACIÓN, DETECORES, https://purl.org/becyt/ford/1

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green