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Related papers: SVOM/VT: Flight Model Verification and Pre-launch …

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The Micro Vertex Detector (MVD) of the future Compressed Baryonic Matter (CBM) experiment at FAIR will have to provide a spatial precision of $\sim 5~\rm \mu m$ in combination with a material budget of 0.3\% - 0.5\% X$_0$ for a full…

Flow Matching (FM) has recently emerged as a principled and efficient alternative to diffusion models. Standard FM encourages the learned velocity field to follow a target direction; however, it may accumulate errors along the trajectory…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zong-Wei Hong , Jing-lun Li , Lin-Ze Li , Shen Zhang , Yao Tang

Effectively localizing an agent in a realistic, noisy setting is crucial for many embodied vision tasks. Visual Odometry (VO) is a practical substitute for unreliable GPS and compass sensors, especially in indoor environments. While…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Marius Memmel , Roman Bachmann , Amir Zamir

We investigate the power spectra of the CMB temperature and matter density in the running vacuum model (RVM) with the time-dependent cosmological constant of $\Lambda = 3 \nu H^2 + \Lambda_0$, where $H$ is the Hubble parameter. In this…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-08 Jin-Jun Zhang , Chung-Chi Lee , Chao-Qiang Geng

Visual Navigation Models (VNMs) promise generalizable, robot navigation by learning from large-scale visual demonstrations. Despite growing real-world deployment, existing evaluations rely almost exclusively on success rate, whether the…

Robotics · Computer Science 2026-03-30 Maeva Guerrier , Karthik Soma , Jana Pavlasek , Giovanni Beltrame

Transmission spectroscopy presents one of the most successful approaches for investigating the atmospheres of exoplanets. We analyzed the near-infrared high-resolution transmission spectrum of a hot Saturn, HD 149026 b, taken using CARMENES…

Earth and Planetary Astrophysics · Physics 2024-07-02 Sayyed A. Rafi , Stevanus K. Nugroho , Motohide Tamura , Lisa Nortmann , Alejandro Sánchez-López

Material thermal properties characterization at nanoscales remains a challenge even if progresses were done in developing specific characterization techniques like the Scanning Thermal Microscopy (SThM). In the present work, we propose a…

Applied Physics · Physics 2020-07-10 Gilles Pernot , Anas Metjari , Hadrien Chaynes , Mathieu Weber , Mykola Isaiev , David Lacroix

A spectroscopic imaging-scanning tunneling microscope (SI-STM) allows the atomic scale visualization of surface electronic and magnetic structure of novel quantum materials with high energy resolution. To achieve the optimal performance,…

Proton computed tomography (CT) is similar to x-ray CT but relies on protons rather than photons to form an image. In its most common operation mode, the measured quantity is the amount of energy that a proton has lost while traversing the…

Medical Physics · Physics 2022-08-17 Nils Krah , Denis Dauvergne , Jean Michel Létang , Simon Rit , Étienne Testa

We describe a technique for measuring focus errors in a cryogenic, wide-field, near-infrared space telescope. The measurements are made with a collimator looking through a large vacuum window, with a reflective cold filter to reduce…

Instrumentation and Methods for Astrophysics · Physics 2024-10-22 Samuel S. Condon , Stephen Padin , James Bock , Howard Hui , Phillip Korngut , Chi Nguyen , Jordan Otsby

We present a sky simulation of the atomic HI emission line and the first ten CO rotational emission lines of molecular gas in galaxies beyond the Milky Way. The simulated sky field has a comoving diameter of 500/h Mpc, hence the actual…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-13 Danail Obreschkow , Hans-Rainer Kloeckner , Ian Heywood , Francois Levrier , Steve Rawlings

The orthogonal frequency division multiplexing (OFDM) transmission has shown promise in applications of visible light communication (VLC). However, the variation of the nonlinearity of the optical power emitted by the high power light…

Signal Processing · Electrical Eng. & Systems 2019-07-24 Luis Carlos Mathias , Jose Carlos Marinello Filho , Taufik Abrao

We present the in-orbit performance and the first results from the ultra-violet Imaging telescope (UVIT) on ASTROSAT. UVIT consists of two identical 38cm coaligned telescopes, one for the FUV channel (130-180nm) and the other for the NUV…

The complexity of software in embedded systems has increased significantly over the last years so that software verification now plays an important role in ensuring the overall product quality. In this context, SAT-based bounded model…

Software Engineering · Computer Science 2009-11-20 Lucas Cordeiro , Bernd Fischer , Joao Marques-Silva

This paper details a significant milestone towards maturing a buoyant aerial robotic platform, or aerobot, for flight in the Venus clouds. We describe two flights of our subscale altitude-controlled aerobot, fabricated from the materials…

Transparency is a paramount concern in the medical field, prompting researchers to delve into the realm of explainable AI (XAI). Among these XAI methods, Concept Bottleneck Models (CBMs) aim to restrict the model's latent space to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Lijie Hu , Songning Lai , Yuan Hua , Shu Yang , Jingfeng Zhang , Di Wang

The Microchannel X-ray Telescope (MXT) is a compact and lightweight focusing X-ray telescope, which is part of the space payload of the SVOM mission. The main goal of the MXT instrument is to precisely localize and physically characterize…

Instrumentation and Methods for Astrophysics · Physics 2026-04-28 D. Götz , S. Crepaldi , E. Doumayrou , C. Feldman , P. Ferrando , A. Fort , H. Goto , J. Jaubert , J. -M. Le Duigou , P. Maggi , A. Meuris , M. Moita , K. Mercier , F. Robinet , C. Plasse , A. Sauvageon , C. van Hove

Atomic-resolution cryogenic scanning transmission electron microscopy (cryo-STEM) has provided a path to probing the microscopic nature of select low-temperature phases in quantum materials. Expanding cryo-STEM techniques to broadly tunable…

Applied Physics · Physics 2020-11-05 Berit H. Goodge , Elisabeth Bianco , Henny W. Zandbergen Lena F. Kourkoutis

We present a precise and complete procedure for processing spectral data observed by the 1-meter New Vacuum Solar Telescope (NVST). The procedure is suitable for both the sit-and-stare and raster-scan spectra. In this work, the geometric…

Solar and Stellar Astrophysics · Physics 2017-10-18 Yunfang Cai , Zhi Xu , Zhenggang Li , Yongyuan Xiang , Yuchao Chen , Yu Fu , Kaifan Ji

We probe turbulence structure from centimetric to metric scales by simultaneous imagery at mid-infrared and visible wavelengths at the VLT telescope and show that it departs significantly from the commonly used Kolmogorov model. The data…

Astrophysics · Physics 2009-06-23 A. Tokovinin , M. Sarazin , A. Smette
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