Circularly Polarized Aperture-Coupled Microstrip Antenna for Nano-Satellites

Ferreira, Filipe Guterres; Vieira, Juner M.; Fumagalli, Diego; Pereira, Lucas Santos; Heckler, Marcos V. T.

doi:10.14209/sbrt.2017.12

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Preliminary Antenna Design1

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2018

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“…Since circular polarization is required, Ports 1 and 2 were fed with signals presenting 90 • phase shift between them, so as to generate a radiation pattern with RHCP as the main polarization. The geometry of the element is shown in Figure 4 [1]. As commented before, impedance matching is done mostly by adjusting the lengths of the stubs.…”

Section: Preliminary Antenna Designmentioning

confidence: 99%

Circularly Polarized Antenna Array with Sequential Rotation for Nanosatellites

Ferreira¹,

Vieira

Fumagalli

et al. 2018

JCIS

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This paper presents the design and characterization of an aperture-coupled microstrip antenna array to be installed onto a nanosatellite. The proposed antenna array has been optimized to operate at 2.26 GHz (S-Band), which is the operating frequency of the downlink channel of the Brazilian System for Meteorological Data Acquisition. The electromagnetic analyses are done by using the HFSS electromagnetic simulator. For the design validation, prototypes of single elements and antenna array were manufactured. The comparison between simulations and measurements indicates good performance of the designed antennas.

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Section: Preliminary Antenna Designmentioning

confidence: 99%