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We describe a method for removing ionospheric effects from single-frequency radio data a posteriori. This method is based on a theoretical climatological model developed by the USAF, which returns electron density as a function of position…

Astrophysics · Physics 2009-10-31 R. M. Campbell

The main contribution of this paper is to design an Information Retrieval (IR) technique based on Algorithmic Information Theory (using the Normalized Compression Distance- NCD), statistical techniques (outliers), and novel organization of…

Information Retrieval · Computer Science 2016-11-17 Rafael Martinez , Manuel Cebrian , Francisco de Borja Rodriguez , David Camacho

In real-world Information Retrieval (IR) experiments, the Evaluation Environment (EE) is exposed to constant change. Documents are added, removed, or updated, and the information need and the search behavior of users is evolving.…

Information Retrieval · Computer Science 2023-08-22 Jüri Keller , Timo Breuer , Philipp Schaer

We present an Effective Field Theory (EFT) formalism which describes the dynamics of non-relativistic extended objects coupled to gravity. The formalism is relevant to understanding the gravitational radiation power spectra emitted by…

High Energy Physics - Theory · Physics 2013-05-29 Walter D. Goldberger , Ira Z. Rothstein

Electrically-detected magnetic resonance (EDMR) provides a highly sensitive method for reading out the state of donor spins in silicon. The technique relies on a spin-dependent recombination (SDR) process involving dopant spins that are…

Mesoscale and Nanoscale Physics · Physics 2017-07-05 Lihuang Zhu , Kipp J. van Schooten , Mallory. L. Guy , Chandrasekhar Ramanathan

This paper presents case-study results on the application of information theoretic approach to gate-level evolutionary circuit design. We introduce information measures to provide better estimates of synthesis criteria of digital circuits.…

Other Computer Science · Computer Science 2007-05-23 Denis V. Popel , Nawar Al-Hakeem

Georeferenced compositional data are prominent in many scientific fields and in spatial statistics. This work addresses the problem of proposing models and methods to analyze and predict, through kriging, this type of data. To this purpose,…

Methodology · Statistics 2021-10-18 Lucia Clarotto , Denis Allard , Alessandra Menafoglio

Based on a synthesis of three main ingredients: (i) the Shannon information in nonequilibrium systems, (ii) the semiclassical energy-time quantization rule, and (iii) the quasistatic information-energy correspondence, a new general rule for…

Statistical Mechanics · Physics 2024-09-17 S. Davatolhagh , A. Sheykhi , M. H. Zarei

The lightcurves of asteroids are essential for determining their physical characteristics, including shape, spin, size, and surface composition. However, most asteroids are missing some of these basic physical parameters due to lack of…

Earth and Planetary Astrophysics · Physics 2024-01-30 Xiaoyun Xu , Xiaobing Wang , Karri Muinonen , Antti Penttil , Nanping Luo , Shenghong Gu , Leilei Sun , Fukun Xu , Yisi Liu , Yue Xiang , Dongtao Cao , Jianhua Wang

It is commonly believed that electromagnetic spectra of atoms and molecules can be fully described by interactions of electric and magnetic multipoles. However, it has recently become clear that interactions between light and matter also…

Atomic Physics · Physics 2022-11-14 Ilya Kuprov , David Wilkowski , Nikolay Zheludev

Photometric variability of a directly imaged exo-Earth conveys spatial information on its surface and can be used to retrieve a two-dimensional geography and axial tilt of the planet (spin-orbit tomography). In this study, we relax the…

Earth and Planetary Astrophysics · Physics 2020-09-09 Hajime Kawahara , Kento Masuda

A large amount of data is present on the web. It contains huge number of web pages and to find suitable information from them is very cumbersome task. There is need to organize data in formal manner so that user can easily access and use…

Information Retrieval · Computer Science 2014-03-28 Gagandeep Singh , Vishal Jain

The Earth's primary source of energy is the radiant energy generated by the Sun, which is referred to as solar irradiance, or total solar irradiance (TSI) when all of the radiation is measured. A minor change in the solar irradiance can…

Solar and Stellar Astrophysics · Physics 2021-07-26 Yasser Abduallah , Jason T. L. Wang , Yucong Shen , Khalid A. Alobaid , Serena Criscuoli , Haimin Wang

To date, a handful of exoplanets have been photometrically mapped using phase-modulated reflection or emission from their surfaces, but the small amplitudes of such signals have limited previous maps almost exclusively to coarse dipolar…

Earth and Planetary Astrophysics · Physics 2019-04-01 Rodrigo Luger , Megan Bedell , Roland Vanderspek , Christopher J. Burke

Energy resolved neutron imaging (ERNI) is an advanced neutron radiography technique capable of non-destructively extracting spatial isotopic information within a given material. Energy-dependent radiography image sequences can be created by…

Image and Video Processing · Electrical Eng. & Systems 2021-10-07 Thilo Balke , Alexander M. Long , Sven C. Vogel , Brendt Wohlberg , Charles A. Bouman

In the past, measures of ``Earth-likeness'' of exoplanets have been qualitative, considered an abiotic Earth, or required discretionary choices of what parameters make a planet Earth-like. With the advent of high-resolution exoplanet…

Earth and Planetary Astrophysics · Physics 2025-04-15 Sara Vannah , Ian D. Stiehl , Marcelo Gleiser

Cyclotron decay and absorption rates have been well studied in the literature, focusing primarily on spectral, angular and polarization dependence. Astrophysical applications usually do not require retention of information on the electron…

Astrophysics · Physics 2009-11-11 Matthew G. Baring , Peter L. Gonthier , Alice K. Harding

We consider biological individuality in terms of information theoretic and graphical principles. Our purpose is to extract through an algorithmic decomposition system-environment boundaries supporting individuality. We infer or detect…

Populations and Evolution · Quantitative Biology 2014-12-09 David Krakauer , Nils Bertschinger , Eckehard Olbrich , Nihat Ay , Jessica C. Flack

The HI 21cm global signal from the Cosmic Dawn and the Epoch of Reionization (EoR) offers critical insights into the evolution of our Universe. Yet, its detection presents significant challenges due to its extremely low…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-09 Yue Wang , Xin Wang , Shijie Sun , Fengquan Wu , Shoudong Luo , Xuelei Chen

The most significant periodicities in the terrestrial impact crater record are due to the human-signal: the bias of assigning integer values for the crater ages. This bias seems to have eluded the proponents and opponents of real…

Astrophysics · Physics 2008-02-03 Lauri Jetsu