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Related papers: IONORT: IONOsphere Ray-Tracing - Ray-tracing progr…

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This paper presents an innovative method that can be used to produce deterministic channel models for 5G industrial internet-of-things (IIoT) scenarios. Ray-tracing (RT) channel emulation can capture many of the specific properties of a…

Signal Processing · Electrical Eng. & Systems 2023-09-13 Gurjot Singh Bhatia , Yoann Corre , Marco Di Renzo

We present a ray tracing code to compute integrated cosmological observables on the fly in AMR N-body simulations. Unlike conventional ray tracing techniques, our code takes full advantage of the time and spatial resolution attained by the…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-23 Alexandre Barreira , Claudio Llinares , Sownak Bose , Baojiu Li

Iontronic neuromorphic computing has emerged as a rapidly expanding paradigm. The arrival of angstrom-confined iontronic devices enables ultra-low power consumption with dynamics and memory timescales that intrinsically align well with…

Soft Condensed Matter · Physics 2026-01-22 T. M. Kamsma , Y. Gu , C. Spitoni , M. Dijkstra , Y. Xie , R. van Roij

We have developed non-sequential ray-tracing software which is aimed to be widely used, along with air- shower simulations, in the design of optical systems for cosmic-ray experiments. The code is based on the ROOT geometry library to…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 Akira Okumura , Masaaki Hayashida , Hideaki Katagiri , Takayuki Saito , Vladimir Vassiliev

This paper describes three-dimensional numerical simulations and Radio Frequency (RF) measurements of wave propagation in microwave-heated magnetized plasmas of ion sources. Full-wave solution of Maxwell's equations has been addressed…

Accelerator Physics · Physics 2022-01-04 G. Torrisi , D. Mascali , G. Sorbello , G. Castro , L. Celona , S. Gammino

Ray tracing is a widely used deterministic method for radio propagation simulations, capable of producing physically accurate multipath components. The accuracy depends on the quality of the environment model and its electromagnetic…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Niklas Vaara , Pekka Sangi , Miguel Bordallo López , Janne Heikkilä

The wealth of high-quality observational data from the epoch of reionization that will become available in the next decade motivates further development of modeling techniques for their interpretation. Among the key challenges in modeling…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-20 Christopher Cain , Anson D'Aloisio

This paper introduces zonoLAB, a MATLAB-based toolbox for set-based control system analysis using the hybrid zonotope set representation. Hybrid zonotopes have proven to be an expressive set representation that can exactly represent the…

Systems and Control · Electrical Eng. & Systems 2024-06-11 Justin Koeln , Trevor J. Bird , Jacob Siefert , Justin Ruths , Herschel Pangborn , Neera Jain

Recently, neural networks have found many applications in different fields including Genetics, Pharmacy, Astrophysics and High Energy Physics [1-3]. In the field of accelerator physics it has been used for control systems [4]. In this paper…

Accelerator Physics · Physics 2018-07-31 N. Joshi , O. Meusel , H. Podlech

Laboratory made granular-granular impact craters have been used as model analogues of planetary impact craters. These kind of craters have been observed and studied using profilometry techniques that allow to retrieve important morphologic…

Soft Condensed Matter · Physics 2023-10-24 F. Corrales-Machín , G. Viera-López , R. Bartali , Y. Nahmad-Molinari

Research on sixth-generation (6G) integrated sensing and communication (ISAC) increasingly depends on multimodal datasets. These datasets need to jointly characterize wireless propagation, onboard sensing, and platform mobility. Existing…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Kang Yan , Yuqi Cao , Jiaqi Li , Luping Xiang , Kun Yang

Operational forecasting of the ionosphere remains a critical space weather challenge due to sparse observations, complex coupling across geospatial layers, and a growing need for timely, accurate predictions that support Global Navigation…

Optical alignment and testing of the Integrated Science Instrument Module of the James Webb Space Telescope is underway. We describe the Optical Telescope Element Simulator used to feed the science instruments with point images of precisely…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Derek Sabatke , Joseph Sullivan , Scott Rohrbach , David Kubalak

The unfolding program TRUEE is a software package for the numerical solution of inverse problems. The algorithm was first applied in the FORTRAN77 program RUN. RUN is an event-based unfolding algorithm which makes use of the Tikhonov…

Instrumentation and Methods for Astrophysics · Physics 2016-11-26 Natalie Milke , Marlene Doert , Stefan Klepser , Daniel Mazin , Volker Blobel , Wolfgang Rhode

An efficient numerical algorithm for the laser driven multi-level ionization of high-atomic-number gases is proposed and implemented in an electromagnetic particle-in-cell code SPACE. The algorithm is based on analytical solutions to the…

Plasma Physics · Physics 2022-02-23 Aiqi Cheng , Roman Samulyak

The advent of hardware ray tracing (RT) units has brought unprecedented realism to real-time rendered computer graphics. However, the potential of these units extends beyond graphics, offering acceleration for various computational tasks…

Hardware Architecture · Computer Science 2025-05-22 Fangjia Shen , Aaron Barnes , Anusuya Nallathambi , Timothy G. Rogers

A program package for MATLAB is introduced that helps calculations in quantum information science and quantum optics. It has commands for the following operations: (i) Reordering the qudits of a quantum register, computing the reduced state…

Quantum Physics · Physics 2008-09-02 Geza Toth

We present iSLAT (the Interactive Spectral-Line Analysis Tool), a python-based graphical tool that allows users to interactively explore and manually fit line emission observed in molecular spectra. iSLAT adopts a simple slab model that…

Instrumentation and Methods for Astrophysics · Physics 2024-02-07 Evan Jellison , Matthew Johnson , Andrea Banzatti , Simon Bruderer

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

To obtain the best possible scientific result, astronomers must understand the properties of the available instrumentation well. This is important both when designing new instruments and when using existing instruments close to the limits…

Instrumentation and Methods for Astrophysics · Physics 2017-12-06 Hans Moritz Günther , Jason Frost , Adam Theriault-Shay