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Related papers: Radar-based Re-Entry Predictions with very limited…

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Radar sensors offer power-efficient solutions for always-on smart devices, but processing the data streams on resource-constrained embedded platforms remains challenging. This paper presents novel techniques that leverage the temporal…

Machine Learning · Computer Science 2023-09-13 Max Sponner , Julius Ott , Lorenzo Servadei , Bernd Waschneck , Robert Wille , Akash Kumar

Terahertz (THz) integrated sensing and communication (ISAC) technology is envisioned to achieve high communication performance alongside advanced sensing abilities. For various applications of ISAC, accurate environment reconstruction…

Information Theory · Computer Science 2024-10-31 Zitong Fang , Ziming Yu , Chong Han

Earth will become uninhabitable within 2-3 Gyr as a result of the moving boundaries of the habitable zone caused by the increasing luminosity of the Sun. Predictions about the future of habitable conditions on Earth include a decline in…

Earth and Planetary Astrophysics · Physics 2015-06-03 J. T. O'Malley-James , J. S. Greaves , J. A. Raven , C. S. Cockell

This paper is the second part of a series of studies discussing a novel attitude determination method for nano-satellites. Our approach is based on the utilization of thermal imaging sensors to determine the direction of the Sun and the…

Instrumentation and Methods for Astrophysics · Physics 2022-01-05 János Takátsy , Tamás Bozóki , Gergely Dálya , Kornél Kapás , László Mészáros , András Pál

Radar is a critical tool for maintaining knowledge of the many ob-jects in low Earth orbit and thus for maintaining confidence that societies around the world are secure against a variety of space-based threats. It is therefore important to…

Space Physics · Physics 2015-05-14 Mike Hapgood

Although deep learning models have demonstrated remarkable potential in weather prediction, most of them overlook either the \textbf{physics} of the underlying weather evolution or the \textbf{topology} of the Earth's surface. In light of…

Machine Learning · Computer Science 2025-05-09 Jiaqi Zheng , Qing Ling , Yerong Feng

Conventional schemes often require extra reference signals or more complicated algorithms to improve the time-of-arrival (TOA) estimation accuracy. However, in this letter, we propose to generate fine-grained features from the full band and…

Signal Processing · Electrical Eng. & Systems 2020-08-19 Guangjin Pan , Tao Wang , Shunqing Zhang , Shugong Xu

We develop a high-precision model for relativistic observables of the Atomic Clock Ensemble in Space (ACES) experiment on the International Space Station (ISS). We develop all relativistic coordinate transformations that are needed to…

General Relativity and Quantum Cosmology · Physics 2016-02-25 Slava G. Turyshev , Nan Yu , Viktor T. Toth

Context. Currently galactic exploration is being revolutionized by a flow of new data: Gaia provides measurements of stellar distances and kinematics; growing numbers of spectroscopic surveys provide values of stellar atmospheric parameters…

Solar and Stellar Astrophysics · Physics 2018-10-17 Alexey Mints , Saskia Hekker

For full-size humanoid robots, even with recent advances in reinforcement learning-based control, achieving reliable locomotion on complex terrains, such as long staircases, remains challenging. In such settings, limited perception,…

Robotics · Computer Science 2025-12-09 Haolin Song , Hongbo Zhu , Tao Yu , Yan Liu , Mingqi Yuan , Wengang Zhou , Hua Chen , Houqiang Li

Liquid water is one of the key elements in the search for possible life outside of the Earth and has a wide range of consequences on various chemical and geological processes. The InSight probe landed on Mars with a special equipment…

Earth and Planetary Astrophysics · Physics 2020-01-24 Bernadett Pál , Ákos Kereszturi

The adoption of Millimeter-Wave (mmWave) radar devices for human sensing, particularly gait recognition, has recently gathered significant attention due to their efficiency, resilience to environmental conditions, and privacy-preserving…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Riccardo Mazzieri , Jacopo Pegoraro , Michele Rossi

We present a new iterative rotation inversion technique based on the Simultaneous Algebraic Reconstruction Technique developed for image reconstruction. We describe in detail our algorithmic implementation and compare it to the classical…

Solar and Stellar Astrophysics · Physics 2024-06-17 Sylvain G. Korzennik , Antonio Eff-Darwich

Ionospheric tomography using GPS data has been reported in the literature and even the application to radar altimeter calibration was succesfully carried out in a recent work. We here present a new software tool, called Global Ionospheric…

Geophysics · Physics 2007-05-23 A. Flores , G. Ruffini , A. Rius , E. Cardellach

The class of transiting cold Jupiters, orbiting at $\gtrsim0.5-1.0$ au, is to-date underpopulated. Probing their atmospheric composition and physical characteristics is particularly valuable, as it allows for direct comparisons with the…

Earth and Planetary Astrophysics · Physics 2023-02-08 A. Sozzetti , P. Giacobbe , M. G. Lattanzi , M. Pinamonti

The possibility of detecting solar oscillation modes using space-based gravitational-wave detectors has been investigated in the context of gravitational-wave interferometry, with Polnarev \cite{Polnarev:2009xf} demonstrating that…

General Relativity and Quantum Cosmology · Physics 2026-03-25 Aman Awasthi

The Radar Echo Telescope for Cosmic Rays (RET-CR) is a recently initiated experiment designed to detect the englacial cascade of a cosmic-ray initiated air shower via in-ice radar, toward the goal of a full-scale, next-generation experiment…

In this article, theory-based analytical methodologies of astrophysics employed in the modern era are suitably operated alongside a test research-grade telescope to image and determine the orbit of a near-earth asteroid from original…

Earth and Planetary Astrophysics · Physics 2021-09-16 Muhammad Farae , Cameron Woo , Anka Hu

Since 2015, the direct detection of Gravitational Waves (GWs) became possible with ground-based interferometers like LIGO and Virgo. GWs became the center of attention of the astronomical community and electromagnetic observatories took a…

Real-time estimation of vehicle-tire-road friction is critical for allowing autonomous race cars to safely and effectively operate at their physical limits. Traditional approaches to measure tire grip often depend on costly, specialized…

Robotics · Computer Science 2026-04-06 Davide Malvezzi , Nicola Musiu , Eugenio Mascaro , Francesco Iacovacci , Marko Bertogna