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Astrofisica Multimessenger all'Osservatorio Pierre Auger

Cosmogenic neutrinos are expected to originate in the extragalactic propagation of ultra-high-energy cosmic rays (UHECRs), as a result of their interactions with background photons. Due to these reactions, the visible Universe in UHECRs is more limited than in neutrinos, which instead could reach us without interacting after traveling cosmological distances. In this thesis, we exploit a multimessenger approach by computing the expected energy spectrum and mass composition of UHECRs at Earth c...

Sistemi wireless a bassa potenza per applicazioni di monitoraggio

Sensor networks play a crucial role in the digital evolution across different fields of research and industrial applications, enabling possibilities that rely on the remote monitoring of phenomena. Among these, we find predictive maintenance, process automation, asset tracking, and environmental observation. Wireless enabled sensor networks are among the scientific fields that have recently experienced a huge growth and impact, thanks also to new low power technologies and the spreading ...

Analisi e progettazione di sistemi di alimentazione a basso rumore e interfacce analogiche integrate per applicazioni di fotorivelazione basati su fotomoltiplicatori al Silicio

This thesis focuses on the development of a low-noise power supply and an integrated analog interface for photodetection applications that involve Silicon Photomultipliers (SiPMs). SiPMs are modern solid-state photon sensors offering exceptional sensitivity and timing resolution, making them suitable for applications ranging from high-energy and nuclear physics experiments to high-sensitivity imaging. For nuclear physics experiment, such as the dark matter detection in DarkSide-20k, a key is ...

Sensori e Interfacce per l'Industria e la Biomedica

The design and development of sensor readout circuits are fundamental to modern signal processing systems. This research study focuses on investigating, designing, and analyzing novel circuits for sensor interfacing, especially for industrial and biomedical fields. A broad range of original oscillator-based and bridge-based conditioning circuits are discussed and analyzed. A significant contribution is the exploration of second-generation voltage conveyor oscillators, for which 34 novel VCII-...

On Structured Perturbations of Positive Semigroups

In this thesis we study perturbation results for the generator A of a positive C_0--semigroup on a Banach lattice X. We generalize results that hold for an AM- or AL-space X and extend them to an arbitrary Banach lattice X in case the perturbation can be factorized as P=BC via an AM- or AL-space U. This allows to deal with applications on (infinite dimensional) reflexive Banach spaces, which are a priori excluded if X is an AM- or an AL-space. First, B and C are assumed to be positive operat...

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Tipologia
  • 8 Tesi di dottorato303
Autore
  • ABBATE, SIMONA1
  • ABDALLAH, AIDA1
  • AHMAD, ZAHEER1
  • ALESSANDRI', JESSICA1
  • ALHAJ YOUSSEF, RASHA1
  • ALICKA, YLLI1
  • ALLEGRITTI, ELENA1
  • ALOISIO, ANGELO1
  • ALRISH, AMAL1
  • ALVAREZ CANABAL, LUIS ALFONSO1
Data di pubblicazione
  • 2020 - 2025294
  • 2010 - 20199
Editore
  • Università degli Studi dell'Aquila303
Settore disciplinare
  • Settore INF/01 - Informatica17
  • Settore ING-INF/04 - Automatica11
  • Settore MAT/05 - Analisi Matematica11
  • Settore ING-INF/03 - Telecomunica...10
  • Settore ING-IND/09 - Sistemi per ...9
  • Settore ICAR/08 - Scienza delle C...8
  • Settore ICAR/09 - Tecnica delle C...8
  • Settore ING-INF/01 - Elettronica8
  • Settore MED/04 - Patologia Generale8
  • Settore MED/46 - Scienze Tecniche...8
Lingua
  • eng215
  • ita86
Accesso al fulltext
  • open281
  • embargoed12
  • no fulltext10