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Linear Vantenna array design for NOAA satellites

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Vista de Diseño de antenas lineales V para satélites.pdf (6.42 MB)
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Cuervo Callejas, Cristian
Gutierrez Monroy, David
Jiménez Cruz, Juan
Galarza, Cesar
Paz Penagos, Hernán
Abstract (Spanish)
El artículo presenta el diseño y construcción de una estación terrena en miniatura con un conjunto de antenas lineales en forma de V para adquirir y decodificar señales del satélite NOAA 18 en tiempo real. El objetivo es obtener imágenes de satélite en la banda VHF. Los resultados de este trabajo muestran una imagen de buena calidad al utilizar el programa de deco-dificación NOAA-APT y filtrado de paso de banda. La interfaz entre el sistema radiante y la USRP muestra un nivel aceptable de acoplamiento con un VSWR de 1.5 y pérdida de retorno de -14 dB, al final, se explican los factores adversos que no permitieron mejores resultados, entre los cuales el más importante es el acoplamiento de impedancia mutua del conjunto de antenas y el tiempo de transmisión de información de 10 minutos desde el satélite NOAA 18
Abstract (English)
The article presents the design and construction of a miniature earth station with a V-shaped linear antenna array to acquire and decode NOAA 18 satellite signals in real-time. The objective is to obtain satellite images in the VHF band. The results of this work show a good-quality image when using the NOAA-APT decoding program and bandpass filtering. The interface between the radiating system and the USRP shows an acceptable level of coupling with a VSWR of 1.5 and return loss of -14 dB at the end, the adverse factors that did not allow better results are explained, among which the most important being the mutual impedance coupling of the antenna array and the information transmission time of 10 minutes from the NOAA 18 satellite
Extent
14 p.
URI: https://repositorio.escuelaing.edu.co/handle/001/3421
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References

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