Banca de DEFESA: LUCAS DE FREITAS SANTANA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : LUCAS DE FREITAS SANTANA
DATE: 26/02/2026
TIME: 14:30
LOCAL: sala virtual
TITLE:

Characterization of the RFI Environment in the BINGO Band with the Uirapuru Radio Telescope and the SKARAB Digital Backend.

 

 

KEY WORDS:

Radio Astronomy, Uirapuru, BINGO, Radio Frequency Interference (RFI), Satellites, SKARAB, L-band.

 

PAGES: 176
BIG AREA: Ciências Exatas e da Terra
AREA: Física
SUMMARY:

Ensuring observations with minimal Radio Frequency Interference (RFI) is a fundamental challenge in radio astronomy. To address this issue, the Uirapuru radiotelescope — a prototype horn for the BINGO telescope — was used to monitor and map the RFI environment in the 960 MHz to 1260 MHz range (L-band). This dissertation describes the assembly of the Uirapuru receiving system and presents its initial results, with data processed by the SKARAB digital backend.

Initial tests demonstrate that the system is capable of accurately mapping the RFI environment. Data analysis allowed for the identification and differentiation of signalsfrom various Global Navigation Satellite System (GNSS) constellations, such as GPS, GLONASS, and BeiDou. By applying the Median Absolute Deviation (MAD) method, it was possible to statistically describe the detected RFIs. Furthermore, system calibration via the Y-Factor method provided data in known physical quantities, enabling a viable interpretation of the collected information.

These results not only validate the performance of the Uirapuru/SKARAB setup but also establish the necessary foundation for developing flagging algorithms to mitigate RFI in future BINGO telescope data.

 

COMMITTEE MEMBERS:
Externo à Instituição - CARLOS ALEXANDRE WUENSCHE
Externa à Instituição - PAOLA DI NINNI
Presidente - 1643354 - AMILCAR RABELO DE QUEIROZ
Interno - 2136012 - JOAO RAFAEL LUCIO DOS SANTOS
Interno - ***.551.884-** - RAFAEL ALVES BATISTA - UFPB