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Effective spatio-temporal measurements of water surface elevation (water waves) in laboratory experiments are essential for scientific and engineering research. Existing techniques are often cumbersome, computationally heavy and generally…

Atmospheric and Oceanic Physics · Physics 2024-10-31 Noam Ginio , Michael Lindenbaum , Barak Fishbain , Dan Liberzon

We present proof-of-operation for a new method of electron thermometry using microwave impedance of a hafnium micro-absorber. The new method leads to an ultimate THz-range detector suitable for microwave readout and frequency division…

Instrumentation and Detectors · Physics 2019-11-27 A. V. Merenkov , V. I. Chichkov , A. B. Ermakov , A. V. Ustinov , S. V. Shitov

For the high luminosity upgrade of the LHC at CERN, ATLAS is considering the addition of a High Granularity Timing Detector (HGTD) in front of the end cap and forward calorimeters at |z| = 3.5 m and covering the region 2.4 < |{\eta}| < 4 to…

The ambitious scientific goals of SKA require a matching capability for calibration of instrumental and atmospheric propagation contributions as functions of time, frequency and position. The development of novel calibration algorithms to…

Instrumentation and Methods for Astrophysics · Physics 2022-02-01 María J. Rioja , Richard Dodson

This letter examines waveform data from the Envisat RA-2 as it passes regularly over Pianosa (a 10-km 2 island in the northwestern Mediterranean). Forty-six repeat passes were analyzed, with most showing a reduction in signal upon passing…

Atmospheric and Oceanic Physics · Physics 2023-07-17 J. Gomez Enri , S. Vignudelli , G. Quartly , C. Gommenginger , P. Cipollini , P. Challenor , J. Benveniste

Cyber-resilience is an increasing concern in developing autonomous navigation solutions for marine vessels. This paper scrutinizes cyber-resilience properties of marine navigation through a prism with three edges: multiple sensor…

Signal Processing · Electrical Eng. & Systems 2022-02-08 Dimitrios Dagdilelis , Mogens Blanke , Rasmus Hjorth Andersen , Roberto Galeazzi

Digital radio antenna arrays, like LOPES (LOFAR PrototypE Station), detect high-energy cosmic rays via the radio emission from atmospheric extensive air showers. LOPES is an array of dipole antennas placed within and triggered by the…

Instrumentation and Methods for Astrophysics · Physics 2012-05-14 F. G. Schröder , T. Asch , L. Bähren , J. Blümer , H. Bozdog , H. Falcke , A. Haungs , A. Horneffer , T. Huege , P. G. Isar , O. Krömer , S. Nehls

In this paper, we introduce a new wireless paradigm termed fluid-active reconfigurable intelligent surface (FARIS) that combines fluid-based port repositioning with per-element active amplification to enhance the performance of 6G networks.…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Hong-Bae Jeon

We present the first full release of a survey of the 150 MHz radio sky, observed with the Giant Metrewave Radio Telescope between April 2010 and March 2012 as part of the TGSS project. Aimed at producing a reliable compact source survey,…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-08 H. T. Intema , P. Jagannathan , K. P. Mooley , D. A. Frail

Full-scale experimental measurements and numerical predictions of the wave-elevation topology behind a transom-sterned vessel, the R/V Athena I, are compared and assessed in this paper. The mean height, surface roughness (RMS), and spectra…

We demonstrate a novel algorithmic approach for the second-harmonic-generation (SHG) frequency-resolved optical gating (FROG) ultrashort-pulse-measurement technique that always converges and, for complex pulses, is also much faster. It…

Optics · Physics 2019-02-20 Rana Jafari , Travis Jones , Rick Trebino

This work proposes a smartphone video-based approach for the estimation of blood glucose in a non-invasive way. Videos using smartphone camera are collected from the tip of the subjects finger and the frames are subsequently converted into…

Signal Processing · Electrical Eng. & Systems 2019-12-02 Tauseef Tasin Chowdhury , Tahmin Mishma , Md. Saeem Osman , Tanzilur Rahman

Terahertz (THz) communication technology is regarded as a promising enabler for achieving ultra-high data rate transmission in next-generation communication systems. To mitigate the high path loss in THz systems, the transmitting beams are…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Yanzhao Hou , Guoning Wang , Chen Chen , Gaoze Mu , Qimei Cui , Xiaofeng Tao , Yuanmu Yang

Knowledge about the characteristics of the atmospheric boundary layer is vital for the understanding of redistribution of air and suspended contents that are particularly driven by turbulent motions. Despite many modelling studies, detailed…

Atmospheric and Oceanic Physics · Physics 2022-09-14 Hans van Haren , Fred. C. Bosveld

Strong gravitational lensing creates multiple images of a gravitational wave transient. The current state-of-the-art method for identifying such lensing events is a computationally expensive full Bayesian analysis. In this paper, we…

General Relativity and Quantum Cosmology · Physics 2025-12-16 Henry W. Y. Wong , Lok W. L. Chan , Isaac C. F. Wong , Rico K. L. Lo , Tjonnie G. F. Li

We report the development and first results of an instrument called Low Layer Scidar (LOLAS) which is aimed at the measurement of optical-turbulence profiles in the atmospheric boundary layer with high altitude-resolution. The method is…

Astrophysics · Physics 2009-11-13 R. Avila , J. L. Aviles , R. W. Wilson , M. Chun , T. Butterley , E. Carrasco

We propose a least-squares phase-stepping algorithm (LS-PSA) consisting of only 14 steps for high-quality optical plate testing. Optical plate testing produces an infinite number of simultaneous fringe patterns due to multiple reflections.…

Optics · Physics 2023-08-09 Manuel Servin , Gonzalo Paez , Moises Padilla , Guillermo Garnica

Most of today's wearable technology provides seamless cardiac activity monitoring. Specifically, the vast majority employ Photoplethysmography (PPG) sensors to acquire blood volume pulse information, which is further analysed to extract…

Human-Computer Interaction · Computer Science 2023-09-26 Jose A. Miranda , Celia López-Ongil , Javier Andreu-Perez

This work introduces a novel nonlinear optimal filtering method, termed the Ensemble Schr{\"o}dinger Bridge nonlinear filter. The proposed filter combines the standard prediction step with a diffusion-generative-modeling-based analysis…

Machine Learning · Computer Science 2026-05-12 Hui Sun

GAW is a "path-finder" experiment to test the feasibility of a new generation of Imaging Atmospheric Cherenkov telescopes that join high flux sensitivity with large field of view capability using Fresnel lens, stereoscopic observational…

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