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*Context: The optimisation of new multiplex spectrographs (resolution, wavelength range,...), their associated surveys (choice of setup), or their parameterisation pipelines require methods that estimate which wavelengths contain useful…

Instrumentation and Methods for Astrophysics · Physics 2023-06-14 Georges Kordopatis , Vanessa Hill , Karin Lind

The ground-based wide-angle camera array (GWAC) generates millions of single frame alerts per night. After the complicated and elaborate filters by multiple methods, a couple of dozens of candidates are still needed to be confirmed by…

Instrumentation and Methods for Astrophysics · Physics 2020-04-15 Yang Xu , Liping Xin , Jing Wang , Xuhui Han , Yulei Qiu , Maohai Huang , Jianyan Wei

Within the framework of the German Astrophysical Virtual Observatory (GAVO), we provide synthetic spectra, simulation software for the calculation of NLTE model atmospheres, as well as necessary atomic data. This will enable a VO user to…

Astrophysics · Physics 2007-06-18 Thomas Rauch

Detection of gravitational waves(GW) involves using the network of GW telescopes to observe a large sky region. However, owing to the arrangement of the GW telescopes, even with aLIGO- aVirgo-KAGRA network,parameter estimation accuracy…

General Relativity and Quantum Cosmology · Physics 2018-04-03 Kenji Ono , Kazuhiro Hayama

A near-field sensing (NISE) enabled predictive beamforming framework is proposed to facilitate wireless communications with high-mobility channels. Unlike conventional far-field sensing, which only captures the angle and the radial velocity…

Signal Processing · Electrical Eng. & Systems 2024-10-23 Hao Jiang , Zhaolin Wang , Yuanwei Liu

Prediction of wireless channel gain (CG) across space is a necessary tool for many important wireless network design problems. In this paper, we develop prediction methods that use environment-specific features, namely building maps and CG…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Enes Krijestorac , Danijela Cabric

The strongly lensed gravitational wave (SLGW) is a promising transient phenomenon. However, the long-wave nature of gravitational waves poses a significant challenge in identification of its host galaxy. To tackle this challenge, we propose…

Instrumentation and Methods for Astrophysics · Physics 2025-05-08 Xikai Shan , Bin Hu , Xuechun Chen , Rong-Gen Cai

As gravitational wave detectors become more advanced and sensitive, the number of signals recorded by Advanced LIGO and Virgo from merging compact objects is expected to rise dramatically. This surge in detection rates necessitates the…

General Relativity and Quantum Cosmology · Physics 2025-08-05 Chayan Chatterjee , Abigail Petulante , Karan Jani , Jesse Spencer-Smith , Yang Hu , Roy Lau , Haowei Fu , Trang Hoang , Stephen Chong Zhao , Suyash Deshmukh

The sensitivity of ground-based gravitational wave (GW) detectors will be improved in the future via the injection of frequency-dependent squeezed vacuum. The achievable improvement is ultimately limited by losses of the interferometer…

Instrumentation and Detectors · Physics 2020-06-10 Antonio Perreca , Aidan Brooks , Jonathan Richardson , Daniel Toyra , Rory Smith

Astro-WISE is the Astronomical Wide-field Imaging System for Europe. It is a scientific information system which consists of hardware and software federated over about a dozen institutes throughout Europe. It has been developed to exploit…

Instrumentation and Methods for Astrophysics · Physics 2013-01-08 Hugo Buddelmeijer , O. Rees Williams , John P. McFarland , Andrey Belikov

Due to their sparsity, 60GHz channels are characterized by a few dominant paths. Knowing the angular information of their dominant paths, we can develop various applications, such as the prediction of link performance and the tracking of an…

Signal Processing · Electrical Eng. & Systems 2019-07-25 Haichuan Ding , Kang G. Shin

Guidance is a widely used technique for diffusion models to enhance sample quality. Technically, guidance is realised by using an auxiliary model that generalises more broadly than the primary model. Using a 2D toy example, we first show…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Nikolas Adaloglou , Tim Kaiser , Damir Iagudin , Markus Kollmann

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…

The transverse spatial modes of light offer a large state-space with interesting physical properties. For exploiting it in future long-distance experiments, spatial modes will have to be transmitted over turbulent free-space links. Numerous…

The Local Volume Mapper (LVM) project is one of three surveys that form the Sloan Digital Sky Survey V. It will map the interstellar gas emission in a large fraction of the southern sky using wide-field integral field spectroscopy. Four…

Astrophotonics is the next-generation approach that provides the means to miniaturize near-infrared (NIR) spectrometers for upcoming large telescopes and make them more robust and inexpensive. The target requirements for our spectrograph…

Instrumentation and Methods for Astrophysics · Physics 2016-12-07 Pradip Gatkine , Sylvain Veilleux , Yiwen Hu , Tiecheng Zhu , Yang Meng , Joss Bland-Hawthorn , Mario Dagenais

Unmanned Aerial Vehicles (UAV) have emerged as versatile platforms, driving the demand for accurate modeling to support developmental testing. This paper proposes data-driven modeling software for UAV. Emphasizes the utilization of…

Unmanned aerial vehicles (UAVs) can be critical for time-sensitive data collection missions, yet existing research often relies on simulations that fail to capture real-world complexities. Many studies assume ideal wireless conditions or…

Systems and Control · Electrical Eng. & Systems 2026-01-12 Md Sharif Hossen , Anil Gurses , Ozgur Ozdemir , Mihail Sichitiu , Ismail Guvenc

Reaching the high angular resolution and contrast level desired for exoplanetary science requires us to equip large telescopes with extreme adaptive optics (XAO) systems to compensate for the effect of the atmospheric turbulence at a very…

Instrumentation and Methods for Astrophysics · Physics 2025-11-20 A. Striffling , C. -T. Héritier , R. J. -L Fétick , O. Fauvarque , J. -F Sauvage , A. Carlotti , B. Neichel T. Fusco

We present a new algorithm, named Autonomous Gaussian Decomposition (AGD), for automatically decomposing spectra into Gaussian components. AGD uses derivative spectroscopy and machine learning to provide optimized guesses for the number of…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Robert R. Lindner , Carlos Vera-Ciro , Claire E. Murray , Snežana Stanimirović , Brian L. Babler , Carl Heiles , Patrick Hennebelle , W. M. Goss , John Dickey