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The toolbox for time-resolved direct measurements of electron dynamics covers a variety of methods. Since the experimental effort is increasing rapidly with achievable time resolution, there is an urge for simple and robust measurement…

In recent years, the illicit use of unmanned aerial vehicles (UAVs) for deliveries in restricted area such as prisons became a significant security challenge. While numerous studies have focused on UAV detection or localization, little…

Robotics · Computer Science 2026-02-11 François Marcoux , François Grondin

The recent demonstration by the CODALEMA Collaboration of the ability of the radio-detection technique for the characterization of UHE cosmic-rays calls for the use of this powerful method for the observation of UHE neutrinos. For this…

Instrumentation and Methods for Astrophysics · Physics 2010-04-30 Daniel Ardouin , Didier Charrier , Pascal Lautridou , Olivier Martineau-Huynh , Olivier Ravel , Xiang-Ping Wu , Meng Zhao

Drones are becoming popular as a complementary system for \ac{ems}. Although several pilot studies and flight trials have shown the feasibility of drone-assisted \ac{aed} delivery, running a full-scale operational network remains…

Most sensor setups for onboard autonomous perception are composed of LiDARs and vision systems, as they provide complementary information that improves the reliability of the different algorithms necessary to obtain a robust scene…

Robotics · Computer Science 2022-03-16 Jorge Beltrán , Carlos Guindel , Arturo de la Escalera , Fernando García

Health monitoring of remote critical infrastructure is a complex and expensive activity due to the limited infrastructure accessibility. Inspection drones are ubiquitous assets that enhance the reliability of critical infrastructures…

Systems and Control · Electrical Eng. & Systems 2025-02-18 Jokin Alcibar , Jose I. Aizpurua , Ekhi Zugastia , Oier Penagarikano

Astronomy observation is difficult in urban environments due to the background noise generated by human activities. Consequently, promoting astronomy in metropolitan areas is challenging. In this work, we propose a low-cost, educational…

Instrumentation and Methods for Astrophysics · Physics 2023-09-29 Leo W. H. Fung , Albert Wai Kit Lau , Ka Hung Chan , Ming Tony Shing

Drones can inspect overhead power lines while they remain energized, significantly simplifying the inspection process. However, localizing a drone relative to all conductors using an onboard LiDAR sensor presents several challenges: (1)…

Robotics · Computer Science 2025-06-27 Alexandre Girard , Steven A. Parkison , Philippe Hamelin

Utilizing the complementary strengths of wavelength-specific range or depth sensors is crucial for robust computer-assisted tasks such as autonomous driving. Despite this, there is still little research done at the intersection of optical…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Vanessa Wirth , Johanna Bräunig , Nikolai Hofmann , Martin Vossiek , Tim Weyrich , Marc Stamminger

The Electromagnetically Isolated Global Signal Estimation Platform (EIGSEP) is a new instrument designed to measure the global 21-cm signal from Cosmic Dawn and the Epoch of Reionization, redshifted to frequencies below 250 MHz. To reduce…

An Atmospheric Monitoring System (AMS) is a mandatory and key device of a space-based mission which aims to detect Ultra-High Energy Cosmic Rays (UHECR) and Extremely-High Energy Cosmic Rays (EHECR) from Space. JEM-EUSO has a dedicated…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 M. D. Rodriguez Frias , S. Toscano , E. Bozzo , L. del Peral , A. Neronov , S. Wada

We present the design, implementation, and operation of a pyramidal horn radio telescope built for detecting the Galactic 21 cm neutral hydrogen line emission. The system employs an SDR-based pipeline to obtain drift-scan observations,…

Instrumentation and Methods for Astrophysics · Physics 2025-12-23 Kaustav Bhattacharjee , Himanshu Grover , P. Arumugam

Although the photon structure is most efficiently studied with the accelerator instruments, there is also a scientifically complementary potential in investigations on photons produced in the outer space. This potential is already being…

Drones are not fully trusted yet. Their reliance on radios and cameras for navigation raises safety and privacy concerns. These systems can fail, causing accidents, or be misused for unauthorized recordings. Considering recent regulations…

Robotics · Computer Science 2021-12-14 Ricardo Ampudia Hernández , Talia Xu , Yanqiu Huang , Marco A. Zúñiga Zamalloa

The extended state observer (ESO) plays an important role in the design of feedback control for nonlinear systems. However, its high-gain nature creates a challenge in engineering practice in cases where the output measurement is corrupted…

Systems and Control · Electrical Eng. & Systems 2020-09-30 Krzysztof Łakomy , Rafal Madonski

Characterizing the epoch of reionization (EoR) at $z\gtrsim 6$ via the redshifted 21 cm line of neutral Hydrogen (HI) is critical to modern astrophysics and cosmology, and thus a key science goal of many current and planned low-frequency…

Many different scientific applications require sub-micro arcsecond precision astrometry, including researching rocky exoplanets in the vicinity of the Sun and studying dark matter. The Habitable Worlds Observatory (HWO) is a promising…

Instrumentation and Methods for Astrophysics · Physics 2025-10-15 Manon Lizzana , Fabien Malbet , Alain Leger , Fabrice Pancher , Sébastien Soler , Hugo Rousset , Thierry Lepine , Julien Michelot , Yahya Er-Rahmaouy , Youssef Bakka

Drones provide a versatile platform for remote sensing and atmospheric studies. However, strict payload mass limits and intense vibrations have proven obstacles to adoption for astronomy. We present a concept for system-level testing of a…

This paper proposes a comprehensive strategy for complex multi-target-multi-drone encirclement in an obstacle-rich and GPS-denied environment, motivated by practical scenarios such as pursuing vehicles or humans in urban canyons. The drones…

Robotics · Computer Science 2025-01-03 Fen Liu , Shenghai Yuan , Kun Cao , Wei Meng , Lihua Xie

A new horn-shaped electrooptic scanner is described with significantly improved scanning sensitivity over rectangular-shaped devices. In the new device, the shape of the scanner is chosen to follow the trajectory of the beam. An example…

Networking and Internet Architecture · Computer Science 2024-05-12 Jennifer C. Fang , M. J. Kawas , J. Zou , V. Gopalan , T. E. Schlesinger , Daniel D. Stancil