Dr. Adelaide Ladu Profile

Dr. Adelaide Ladu

at INAF - Osservatorio Astronomico di Cagliari

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Publications (7)

Proceedings Article | 16 August 2024 Poster + Paper

Simulated radiation features of a C-band phased array feed located at the Sardinia Radio Telescope primary focus

Paola Di Ninni, Renzo Nesti, Paolo Maxia, Alessandro Navarrini, Massimiliano Belluso, Sergio Billotta, Alessandro Cabras, Simone Chiarucci, Giovanni Comoretto, Francesco Gaudiomonte, Adelaide Ladu, Pasqualino Marongiu, Andrea Melis, Pierluigi Ortu, Silvio Pilia, Tonino Pisanu, Luca Schirru

Proceedings Volume 13102, 131021E (2024) https://doi.org/10.1117/12.3019956

KEYWORDS: Reflectors, Spatial filtering, Mirrors, Simulations, Reflection, Radio telescopes, Prototyping, Phased arrays, Optical components, Electric fields

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Proceedings Article | 13 December 2020 Poster + Paper

Sardinia aperture array demonstrator: measurement campaigns of radio frequency interferences

Francesco Gaudiomonte, Adelaide Ladu, Luca Schirru, Andrea Melis, Raimondo Concu, Federico Perini, Matteo Murgia

Proceedings Volume 11445, 1144579 (2020) https://doi.org/10.1117/12.2576078

KEYWORDS: Antennas, Electromagnetic coupling, Telescopes, Polarization, Linear filtering, Imaging systems, Data acquisition, Spectrum analysis, Radio telescopes, Environmental monitoring

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Proceedings Article | 20 July 2016 Paper

Status of the radio receiver system of the Sardina Radio Telescope

G. Valente, A. Orfei, R. Nesti, A. Navarrini, S. Mariotti, P. Bolli, T. Pisanu, J. Roda, L. Cresci, P. Marongiu, A. Scalambra, D. Panella, A. Ladu, A. Cattani, L. Carbonaro, E. Urru, A. Cremonini, F. Fiocchi, A. Maccaferri, M. Morsiani, M. Poloni

Proceedings Volume 9914, 991425 (2016) https://doi.org/10.1117/12.2232880

KEYWORDS: Receivers, Radio telescopes, Cryogenics, Polarization, Oscillators, Waveguides, Interference (communication), Electronic filtering, Linear filtering, L band

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Proceedings Article | 20 July 2016 Paper

The 7-beam S-band cryogenic receiver for the SRT primary focus: project status

G. Valente, P. Marongiu, A. Navarrini, A. Saba, G. Montisci, A. Ladu, T. Pisanu, M. Pili, S. Dessi, A. Uccheddu, N. Iacolina, D. Perrodin, M. Buttu, E. Egron, A. Melis, C. Tiburzi, V. Vacca

Proceedings Volume 9914, 991422 (2016) https://doi.org/10.1117/12.2232625

KEYWORDS: Receivers, Polarization, Cryogenics, S band, Radio telescopes, Staring arrays, Optical amplifiers, Mirrors, Waveguides, Oscillators

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Proceedings Article | 20 July 2016 Paper

The control system of the 3 mm band SIS receiver for the Sardinia Radio Telescope

A. Ladu, P. Ortu, A. Saba, M. Pili, F. Guadiomonte, A. Navarrini, E. Urru, T. Pisanu, G. Valente, P. Marongiu, G. Mazzarella

Proceedings Volume 9914, 991423 (2016) https://doi.org/10.1117/12.2232703

KEYWORDS: Cryogenics, Oscillators, Control systems, Radio telescopes, Receivers, Calibration, Microcontrollers, Antennas, Software development, Astronomy

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Proceedings Article | 23 July 2014 Paper

A multifeed S-band cryogenic receiver for the Sardinia Radio Telescope primary focus

G. Valente, G. Serra, F. Gaudiomonte, A. Ladu, T. Pisanu, P. Marongiu, A. Corongiu, A. Melis, M. Buttu, D. Perrodin, G. Montisci, Gi. Mazzarella, E. Egron, N. Iacolina, C. Tiburzi, V. Vacca

Proceedings Volume 9153, 91530Q (2014) https://doi.org/10.1117/12.2056557

KEYWORDS: Receivers, S band, Staring arrays, Cryogenics, Radio telescopes, Antennas, Electromagnetic coupling, Electromagnetism, Oscillators, Polarization

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Proceedings Article | 23 July 2014 Paper

A 3mm band SIS receiver for the Sardinia Radio Telescope

A. Ladu, T. Pisanu, A. Navarrini, P. Marongiu, G. Valente

Proceedings Volume 9153, 91532J (2014) https://doi.org/10.1117/12.2056339

KEYWORDS: Receivers, Radio telescopes, Antennas, Helium, Mirrors, Radio optics, Liquids, Gaussian beams, Astronomy, Observatories

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Showing 5 of 7 publications

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