Publicado

2016-10-01

Antena de parche con sentido de giro reconfigurable para aplicaciones en satélites CubeSat

Patch antenna with reconfigurable sense of rotation for CubeSat satellite applications

DOI:

https://doi.org/10.15446/dyna.v83n199.52449

Palabras clave:

Antena de Anillo Circular Cortocircuitado, CubeSat, Antena Reconfigurable, Polarización Circular (es)
Shorted annular ring antenna, CubeSat, Reconfigurable antenna, Circular polarization (en)

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En este artículo se presenta el diseño de una antena tipo parche en anillo circular cortocircuitado con polarización circular y sentido de giro reconfigurable, con mejoramiento de la relación axial mediante el uso de un acoplador híbrido de 90°. La estructura total presenta dimensiones de 76 mm x 76 mm x 3 mm, por lo que puede ser integrada en una de las caras de un satélite CubeSat 1U. El diseño propuesto muestra un amplio ancho de banda de impedancia del 33.33 % en el rango de frecuencias de 1.9GHz a 2.66GHz para un coeficiente de reflexión inferior a -10 dB y una ganancia máxima de 6.1dBi a una frecuencia central de 2.35GHz.
A shorted annular ring (SAR) antenna design with circular polarization and reconfigurable sense of rotation improving the axial ratio by means of a 90° hybrid coupler is presented in this paper. The whole structure dimensions are 76mm x 76mm x 3mm, therefore it can be integrated in to one side of a CubeSat 1U satellite. The proposed design shows a wide impedance bandwidth of 33.33 % from 1.9GHz to 2.66GHz frequency band, with reflection coefficient inferior to -10dB and maximal gain of 6.1dBi at a central frequency of 2.35 GHz.

Referencias

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[1]
“Antena de parche con sentido de giro reconfigurable para aplicaciones en satélites CubeSat”, DYNA, vol. 83, no. 199, pp. 157–164, Oct. 2016, doi: 10.15446/dyna.v83n199.52449.