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The Short-Time Fourier Transform (STFT) has been a staple of signal processing, often being the first step for many audio tasks. A very familiar process when using the STFT is the search for the best STFT parameters, as they often have…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-17 An Zhao , Krishna Subramani , Paris Smaragdis

Markov random fields (MRFs) are invaluable tools across diverse fields, and spatiotemporal MRFs (STMRFs) amplify their effectiveness by integrating spatial and temporal dimensions. However, modeling spatiotemporal data introduces additional…

Methodology · Statistics 2024-04-30 Ning Ning

Inadequacies in the knowledge of the primary beam response of current interferometric arrays often form a limitation to the image fidelity. We hope to overcome these limitations by constructing a frequency-resolved, full-polarization…

Astrophysics · Physics 2009-11-13 Attila Popping , Robert Braun

High-power multi-beam klystrons represent a key component to amplify RF to generate the accelerating field of the superconducting radio frequency (SRF) cavities at European XFEL. Exchanging these high-power components takes time and effort,…

Accelerator Physics · Physics 2024-05-22 Antonin Sulc , Annika Eichler , Tim Wilksen

Progress in particle physics depends on a multitude of unique facilities and capabilities that enable to advance detector technologies. Among others, key facilities involve test beams and irradiation facilities, which allow users to test…

Accelerator Physics · Physics 2022-03-21 M. Hartz , P. Merkel , E. Niner , E. Prebys , N. Toro

Signal Temporal Logic (STL) is an efficient technique for describing temporal constraints. It can play a significant role in robotic manipulation, for example, to optimize the robot performance according to task-dependent metrics. In this…

Robotics · Computer Science 2021-10-04 Akshay Dhonthi , Philipp Schillinger , Leonel Rozo , Daniele Nardi

The High Sensitivity Terahertz Detection Module (HSTDM), a key component of the backend modules on board the China Space Station Telescope (CSST), will offer great opportunities for the discovery of Terahertz Astronomy, with implications…

Instrumentation and Methods for Astrophysics · Physics 2025-11-14 SiYuan Tan , WenYin Duan , YiLong Zhang , YiPing Ao , Yan Gong , ZhenHui Lin , Xuan Zhang , Yong Shi , Jing Tang , Jing Li , RuiQing Mao , Sheng-Cai Shi

Organic water-gated thin-film transistors (WG-TFTs) are of great interest in developing low-cost and high-performance biosensors. The device's sensitivity to changes in measurement conditions can impair long-term operation, and care must be…

Beam halo is one of the crucial issues limiting the machine performance and causing radioactivation in high-intensity accelerators. A clear picture of beam-halo formation is of great importance for successful suppression of the undesired…

Accelerator Physics · Physics 2021-09-15 R. Yang , A. Aryshev , P. Bambade , M. Bergamaschi , K. Kubo , T. Naito , N. Terunuma , S. Wallo , J. Zhang

The European second generation digital video broadcasting standard (DVB-T2) introduces a P1 symbol. This P1 symbol facilitates the coarse synchronization and carries 7-bit transmission parameter signaling (TPS), including the fast Fourier…

Information Theory · Computer Science 2015-11-30 Zhen Gao , Chao Zhang , Zhaocheng Wang

In large-scale regression problems, random Fourier features (RFFs) have significantly enhanced the computational scalability and flexibility of Gaussian processes (GPs) by defining kernels through their spectral density, from which a finite…

Machine Learning · Computer Science 2024-06-05 Houston Warren , Rafael Oliveira , Fabio Ramos

The service conditions of wheelset bearings has a direct impact on the safe operation of railway heavy haul freight trains as the key components. However, speed fluctuation of the trains and few fault samples are the two main problems that…

Machine Learning · Computer Science 2025-05-27 Chao He , Hongmei Shi , Ruixin Li , Jianbo Li , ZuJun Yu

The time-resolved electron beam envelope parameters including sectional distribution and position are important and necessary for the study of beam transmission characteristics in the magnetic field and verifying the magnetic field setup…

Accelerator Physics · Physics 2015-02-10 Jiang Xiaoguo , Wang Yuan , Yang Zhiyong , Zhang Huang , Wang Yi , Wei Tao

Superconducting radio-frequency (SRF) guns are promising candidates to deliver high brightness continuous-wave (CW) electron beams for new generations of coherent linac light sources, ultrafast electron diffractions, MeV pulsed beam…

Accelerator Physics · Physics 2024-10-08 H. Jia , T. Li , T. Wang , Y. Zhao , X. Zhang , H. Xu , Z. Liu , J. Liu , L. Lin , H. Xie , L. Feng , F. Wang , F. Zhu , J. Hao , S. Quan , K. Liu , S. Huang

We report on the progress in modelling performance of the H- ion source at LANSCE. The key aspect we address is the lifetime of the tungsten filament. The lifetime depends on multiple parameters of the ion source and can dramatically vary…

Accelerator Physics · Physics 2019-10-17 Nikolai Yampolsky , Ilija Draganic , Lawrence Rybarcyk

For the new hadron collider LHC and some of its updates in luminosity and energy, as SLHC and VLHC, the silicon detectors could represent an important option, especially for the tracking system and calorimetry. The main goal of this paper…

High Energy Physics - Phenomenology · Physics 2009-11-10 Ionel Lazanu , Sorina Lazanu

The analysis of time-sequence satellite images is a powerful tool in remote sensing; it is used to explore the statics and dynamics of the surface of the earth. Usually, the quality of multitemporal images is influenced by metrological…

Image and Video Processing · Electrical Eng. & Systems 2024-05-01 Hessah Albanwan

The electronic local density of states of solids, if normalized correctly, represents the probability density that the electron at a specific position has a particular energy. Because this probability density can vary in space in disordered…

Strongly Correlated Electrons · Physics 2025-05-30 Lucas A. Oliveira , Wei Chen

Recent precision measurements of the flux of cosmic ray positrons by the Alpha Magnetic Spectrometer show that the spectrum has a marked softening feature for energies close to one TeV. A possible interpretation of this result is that the…

High Energy Astrophysical Phenomena · Physics 2019-02-19 Paolo Lipari

Temporal Color Constancy (CC) is a recently proposed approach that challenges the conventional single-frame color constancy. The conventional approach is to use a single frame - shot frame - to estimate the scene illumination color. In…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Yanlin Qian , Jani Käpylä , Joni-Kristian Kämäräinen , Samu Koskinen , Jiri Matas