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A new data cleaning procedure for electron cyclotron emission imaging (ECEI) of EAST tokamak is constructed. Machine learning techniques, including SVM and Decision tree, are applied to identifying saturated, zero, and weak signals of ECEI…

Data Analysis, Statistics and Probability · Physics 2018-11-14 C. Li , T. Lan , Y. Wang , J. Liu , J. Xie , T. Lan , H. Li , H. Qin

Anthropogenic influences have been linked to tropical cyclone (TC) poleward migration, TC extreme precipitation, and an increased proportion of major hurricanes [1, 2, 3, 4]. Understanding past TC trends and variability is critical for…

Atmospheric and Oceanic Physics · Physics 2024-02-02 Buo-Fu Chen , Boyo Chen , Chun-Min Hsiao , Hsu-Feng Teng , Cheng-Shang Lee , Hung-Chi Kuo

Electromagnetic ion cyclotron (EMIC) waves lead to rapid scattering of relativistic electrons in Earth's radiation belts, due to their large amplitudes relative to other waves that interact with electrons of this energy range. A central…

We demonstrate the feasibility of coincidence measurements in a conventional transmission electron microscope, revealing the temporal correlation between electron energy loss spectroscopy (EELS) and energy dispersive X-ray (EDX)…

Instrumentation and Detectors · Physics 2019-05-01 Daen Jannis , Knut Müller-Caspary , Armand Béché , Andreas Oelsner , Johan Verbeeck

We use coordinated Hinode SOT/EIS observations that include high-resolution magnetograms, chromospheric and TR imaging and TR/coronal spectra in a first test to study how the dynamics of the TR are driven by the highly dynamic photospheric…

Several current searches for physics beyond the standard model are based on measuring the electron capture (EC) decay of radionuclides implanted into cryogenic high-resolution sensors. The sensitivity of these experiments has already…

Materials Science · Physics 2022-06-02 Amit Samanta , Stephan Friedrich , Kyle G. Leach , Vincenzo Lordi

Inelastic Electron Tuneling Spectroscopy (IETS) is a powerful spectroscopy that allows one to investigate the nature of local excitations and energy transfer in the system of interest. We study IETS for Topological Insulators (TI) and…

Mesoscale and Nanoscale Physics · Physics 2013-01-11 Jian-Huang She , Jonas Fransson , A. R. Bishop , Alexander V. Balatsky

Infrared solar occultation measurements are well established for remote sensing of Earth's atmosphere, and the corresponding primary transit spectroscopy has turned out to be valuable for characterization of extrasolar planets. Our…

Earth and Planetary Astrophysics · Physics 2018-03-15 Franz Schreier , Steffen Städt , Pascal Hedelt , Mareike Godolt

Electron capture (EC) decay relies on attachment and stripping cross-sections, that in turn, depend on the atomic number of the nucleus. We revisit the impact of EC decay in the context of the high-precision cosmic-ray fluxes measured by…

High Energy Astrophysical Phenomena · Physics 2023-09-25 M. Borchiellini , D. Maurin , M. Vecchi

This paper presents the response of the ionosphere during the intense geomagnetic storms of October 12-20, 2016 and May 26-31, 2017 which occurred during the declining phase of the solar cycle 24. Total Electron Content (TEC) from GPS…

Space Physics · Physics 2023-02-02 Sumanjit Chakraborty , Sarbani Ray , Dibyendu Sur , Abhirup Datta , Ashik Paul

Integrated Sensing and Communications (ISAC) is poised to become one of the defining capabilities of the sixth generation (6G) wireless communications systems, enabling the network infrastructure to jointly support high-throughput…

Signal Processing · Electrical Eng. & Systems 2025-07-21 Kai Wu , Zhongqin Wang , Shu-Lin Chen , J. Andrew Zhang , Y. Jay Guo

Integrated sensing and communication (ISAC) is increasingly recognized as a pivotal technology for next-generation cellular networks, offering mutual benefits in both sensing and communication capabilities. This advancement necessitates a…

Information Theory · Computer Science 2024-03-25 Xu Gan , Chongwen Huang , Zhaohui Yang , Xiaoming Chen , Jiguang He , Zhaoyang Zhang , Chau Yuen , Yong Liang Guan , Mérouane Debbah

TUS (Tracking Ultraviolet Set-up), the first orbital detector of extreme energy cosmic rays (EECRs), those with energies above 50 EeV, was launched into orbit on April 28, 2016, as a part of the Lomonosov satellite scientific payload. The…

First results of a cosmic-ray electron + positron spectrum, from 10 GeV to 3 TeV, is presented based upon observations with the CALET instrument on the ISS starting in October, 2015. Nearly a half million electron + positron events are…

The Planck collaboration has measured the temperature and polarization of the cosmic microwave background well enough to determine the locations of eight peaks in the temperature (TT) power spectrum, five peaks in the polarization (EE)…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 Zhen Pan , Lloyd Knox , Brigid Mulroe , Ali Narimani

The origin and nature of extreme energy cosmic rays (EECRs), which have energies above the 50 EeV, the Greisen-Zatsepin-Kuzmin (GZK) energy limit, is one of the most interesting and complicated problems in modern cosmic-ray physics.…

Radio Frequency (RF) sensing is attracting interest in research, standardization, and industry, especially for its potential in Internet of Things (IoT) applications. By leveraging the properties of the ElectroMagnetic (EM) waves used in…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Federica Fieramosca , Vittorio Rampa , Michele D'Amico , Stefano Savazzi

Electromagnetic ion cyclotron (EMIC) waves are important for Earth's inner magnetosphere as they can effectively drive relativistic electron losses to the atmosphere and energetic (ring current) ion scattering and isotropization. EMIC waves…

Space Physics · Physics 2024-01-30 David S. Tonoian , Xiao-Jia Zhang , Anton Artemyev , Xin An

A strong excess in a form of a wide peak in the energy range of 300-800 GeV was discovered in the first measurements of the electron spectrum in the energy range from 20 GeV to 3 TeV by the balloon-borne experiment ATIC (J. Chang et al.…

Calorimetric decay energy spectroscopy of electron-capture-decaying isotopes is a promising method to achieve the sensitivity required for electron neutrino mass measurement. The very low total nuclear decay energy (QEC < 3 keV) and short…