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This paper studies the potential improvement in the achievable data rate available to ground users by integrating satellite, airborne, and terrestrial networks. The goal is to establish dynamic wireless services in remote or…

Networking and Internet Architecture · Computer Science 2019-12-10 Ahmad Alsharoa , Mohamed-Slim Alouini

Global Positioning System (GPS) is a satellite network that transmits regularly encoded information and makes it possible to pinpoint the exact location on Earth by measuring the distance between satellites and the receiver. While GPS…

Systems and Control · Computer Science 2018-03-23 Mehmet Serdar Güzel , Erkan Meral

Publicly available satellite imagery can be an ubiquitous, cheap, and powerful tool for vehicle localisation when a prior sensor map is unavailable. However, satellite images are not directly comparable to data from ground range sensors…

Robotics · Computer Science 2020-09-24 Tim Y. Tang , Daniele De Martini , Shangzhe Wu , Paul Newman

In this paper the most recent developments in testing General Relativity in the gravitational field of the Earth with the technique of Satellite Laser Ranging are presented. In particular, we concentrate our attention on some…

General Relativity and Quantum Cosmology · Physics 2009-09-29 Lorenzo Iorio

Given their extensive geographic coverage, low Earth orbit (LEO) satellites are envisioned to find their way into next-generation (6G) wireless communications. This paper explores space-air-ground integrated networks (SAGINs) leveraging…

Information Theory · Computer Science 2024-12-24 Chao Zhang , Qingchao Li , Chao Xu , Lie-Liang Yang , Lajos Hanzo

Radio telescopes observe extremely faint emission from astronomical objects, ranging from compact sources to large scale structures that can be seen across the whole sky. Satellites actively transmit at radio frequencies (particularly at…

Instrumentation and Methods for Astrophysics · Physics 2025-04-17 M. Peel , S. Eggl , M. L. Rawls , H. Qiu , D. L. Clements

The apparent brightness of satellites is calculated as a function of satellite position as seen by a ground-based observer in darkness. Both direct illumination of the satellite by the Sun as well as indirect illumination due to reflection…

Instrumentation and Methods for Astrophysics · Physics 2023-10-13 Forrest Fankhauser , J. Anthony Tyson , Jacob Askari

Environment plays a pivotal role in shaping the evolution of satellite galaxies. Analyzing the properties related to the cold gas phase of satellites provides insights into unravelling the complexity of environmental effects. We use the…

Astrophysics of Galaxies · Physics 2024-01-17 Hongxing Chen , Lizhi Xie , Jie Wang , Wenkai Hu , Gabriella De Lucia , Fabio Fontanot , Michaela Hirschamnn

This study proposes an approximate model to estimate the solar radiation spectrum intensity in Seoul, Republic of Korea, for the year 2024, aiming to analyze optimal conditions related to energy generation. Since the solar radiation…

Signal Processing · Electrical Eng. & Systems 2025-04-14 Jeonggyu Hwang

Future telecommunication systems are expected to co-exist with different backhauling nodes such as terrestrial or satellite systems. Satellite connectivity can add flexibility to backhauling networks and provide an alternative route for…

Networking and Internet Architecture · Computer Science 2019-11-14 Engin Zeydan , Yekta Turk

We extend the work of Chang & Chakrabarti (2011) to find simple scaling relations between the density response of the gas disk of a spiral galaxy and the pericenter distance and mass ratio of a perturbing satellite. From the analysis of…

Astrophysics of Galaxies · Physics 2018-08-30 Andrew Lipnicky , Sukanya Chakrabarti , Philip Chang

In this letter we further analyze the concept of the use of a pair of identical geodetic satellites placed in identical orbits except for the inclinations which should be supplementary for measuring the Lense-Thirring effect in the…

General Relativity and Quantum Cosmology · Physics 2007-11-12 Lorenzo Iorio

In the next decade, new astrophysical instruments will deliver the first large-scale maps of gravitational waves and radio sources. Therefore, it is timely to investigate the possibility to combine them to provide new and complementary ways…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-19 Alvise Raccanelli

The global averaged civilian positioning accuracy is still at meter level for all existing Global Navigation Satellite Systems (GNSSs), and the performance is even worse in urban areas. At lower altitudes than satellites, high altitude…

Signal Processing · Electrical Eng. & Systems 2023-01-03 Hongzhao Zheng , Mohamed Atia , Halim Yanikomeroglu

In this paper, we discuss and review how combined multi-view imagery from satellite to street-level can benefit scene analysis. Numerous works exist that merge information from remote sensing and images acquired from the ground for tasks…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Sébastien Lefèvre , Devis Tuia , Jan Dirk Wegner , Timothée Produit , Ahmed Samy Nassar

Recent results of the LARASE research program in terms of models improvements and relativistic measurements are presented. In particular, the results regarding the development of new models for the non-gravitational perturbations that…

General Relativity and Quantum Cosmology · Physics 2018-09-24 David Lucchesi , Luciano Anselmo , Massimo Bassan , Carmelo Magnafico , Carmen Pardini , Roberto Peron , Giuseppe Pucacco , Ruggero Stanga , Massimo Visco

Global surface water detection in very-high-resolution (VHR) satellite imagery can directly serve major applications such as refined flood mapping and water resource assessment. Although achievements have been made in detecting surface…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Yansheng Li , Bo Dang , Wanchun Li , Yongjun Zhang

Solar irradiance is considered one of the main natural factors affecting terrestrial climate, and its variations are included in most numerical models estimating the effects of natural versus anthropogenic factors for climate change. Solar…

Solar and Stellar Astrophysics · Physics 2014-11-25 Katya Georgieva , Yury Nagovitsyn , Boian Kirov

This paper presents a modeling and control framework for distributed systems in low Earth orbit, with the scientific objective of obtaining high accuracy estimates of the Earth's Energy Imbalance (EEI). This metric robustly quantifies the…

Dynamical Systems · Mathematics 2026-04-24 Rayan Mazouz , Marco Quadrelli , Rashied Amini , Maria Hakuba , Charles Reynerson , David Wiese

It is shown how repeated observations of the sunset from various points up a tall building can be used to determine the Earth's radius. The same observations can also be used, at some latitudes, to deduce an approximate value for the amount…

Popular Physics · Physics 2009-07-24 P. K. Aravind
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