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Related papers: Serial Charge Transfer Efficiency in ACS/WFC

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LSST Camera CCDs produced by the manufacturer e2v exhibit strong and novel residual charge images when exposed to bright sources. These manifest in images following bright exposures both in the same pixel areas as the bright source, and in…

Instrumentation and Methods for Astrophysics · Physics 2025-03-05 Daniel Polin , Adam Snyder , Craig Lage , J. Anthony Tyson

In this paper we describe a new error-correcting code (ECC) inspired by the Naccache-Stern cryptosystem. While by far less efficient than Turbo codes, the proposed ECC happens to be more efficient than some established ECCs for certain sets…

Information Theory · Computer Science 2015-09-02 Eric Brier , Jean-Sébastien Coron , Rémi Géraud , Diana Maimut , David Naccache

Attenuation compensation (AC), while being beneficial for visual-interpretation tasks in myocardial perfusion imaging (MPI) by SPECT, typically requires the availability of a separate X-ray CT component, leading to additional radiation…

Multi Micro-Channel-Plate Photomultiplier tubes (MCP-PMT) with High Collection Efficiency (Hi-CE) MCPs are developed and characterised. With these Hi-CE MCPs more than 90% of photoelectrons emitted from the photocathode can be detected;…

Instrumentation and Detectors · Physics 2018-03-14 D. A. Orlov , T. Ruardij , S. Duarte Pinto , R. Glazenborg , E. Kernen

Power efficiency remains a significant challenge in modern optical fiber communication systems, driving efforts to reduce the computational complexity of digital signal processing, particularly in chromatic dispersion compensation (CDC)…

Signal Processing · Electrical Eng. & Systems 2024-09-17 Geraldo Gomes , Pedro Freire , Jaroslaw E. Prilepsky , Sergei K. Turitsyn

Photometric redshifts of galaxies obtained by multi-wavelength data are widely used in photometric surveys because of its high efficiency. Although various methods have been developed, template fitting is still adopted as one of the most…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-11 Yicheng Li , Liping Fu , Zhu Chen , Zhijian Luo , Wei Du , Yan Gong , Xianmin Meng , Junhao Lu , Zhirui Tang , Pengfei Chen , Shaohua Zhang , Chenggang Shu , Xingchen Zhou , Zuhui Fan

We present photometric redshifts and associated probability distributions for all detected sources in the Extended Chandra Deep Field South (ECDFS). The work makes use of the most up-to-date data from the Cosmic Assembly Near-IR Deep Legacy…

The Calibration enhancement effort for the Space Telescope Imaging Spectrograph (STIS) aims to improve data calibration via the application of physical modelling techniques. We describe here a model of the Charge Transfer process during…

Astrophysics · Physics 2007-05-23 P. Bristow , A. Alexov

Diffusion models suffer from substantial computational overhead due to their inherently iterative inference process. While feature caching offers a promising acceleration strategy by reusing intermediate outputs across timesteps, naive…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Xurui Peng , Chenqian Yan , Hong Liu , Rui Ma , Fangmin Chen , Xing Wang , Zhihua Wu , Songwei Liu , Mingbao Lin

The apparatus of the ALICE experiment at CERN will be upgraded in 2017/18 during the second long shutdown of the LHC (LS2). A major motivation for this upgrade is to extend the physics reach for charmed and beauty particles down to low…

The electric power sector has seen an increased penetration of renewable energy sources (RESs) that could strain the system reliability due to their inherent uncertainties in availability and controllability. Effective load carrying…

Systems and Control · Electrical Eng. & Systems 2026-04-02 Ethan Cantor , Yinyin Ge , Hongxing Ye , Jie Li

Accurate radial velocities ($v_{\rm rad}$) of Cepheids are mandatory within the context of distance measurements via the Baade-Wesselink technique. The most common $v_{\rm rad}$ derivation method consists in cross-correlating the observed…

Scalability issue plays a crucial role in productionizing modern recommender systems. Even lightweight architectures may suffer from high computational overload due to intermediate calculations, limiting their practicality in real-world…

Information Retrieval · Computer Science 2024-12-03 Gleb Mezentsev , Danil Gusak , Ivan Oseledets , Evgeny Frolov

We propose two novel transferability metrics F-OTCE (Fast Optimal Transport based Conditional Entropy) and JC-OTCE (Joint Correspondence OTCE) to evaluate how much the source model (task) can benefit the learning of the target task and to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Yang Tan , Enming Zhang , Yang Li , Shao-Lun Huang , Xiao-Ping Zhang

We present measurements of electron and hole trapping in three COSI germanium cross-strip detectors. By characterizing the relative charge collection efficiency (CCE) as a function of interaction depth, we show that intrinsic trapping of…

Instrumentation and Detectors · Physics 2023-10-26 Sean N. Pike , Steven E. Boggs , Jacqueline Beechert , Jarred Roberts , Albert Y. Shih , John A. Tomsick , Andreas Zoglauer

The next generation of high-luminosity electron-positron colliders, such as FCC-ee and CEPC operating at the $Z$ pole (TeraZ), is expected to deliver unprecedented precision in electroweak measurements. These precision observables are…

High Energy Physics - Phenomenology · Physics 2026-03-06 Mikael Chala , Juan Carlos Criado , Michael Spannowsky

Soon after launch, the Advanced CCD Imaging Spectrometer (ACIS), one of the focal plane instruments on the Chandra X-ray Observatory, suffered radiation damage from exposure to soft protons during passages through the Earth's radiation…

Astrophysics · Physics 2009-11-11 C. E. Grant , M. W. Bautz , S. M. Kissel , B. LaMarr , G. Y. Prigozhin

We study the problem of efficiently charging a set of rechargeable nodes using a set of wireless chargers, under safety constraints on the electromagnetic radiation incurred. In particular, we define a new charging model that greatly…

Networking and Internet Architecture · Computer Science 2021-09-27 Sotiris Nikoletseas , Theofanis P. Raptis , Christoforos Raptopoulos

High-precision time transfer over a long haul of fiber plays a significant role in many fields. The core method, namely cascading relay nodes for the compensation of signal attenuation and dispersion, is however insufficient to deal with…

Optics · Physics 2024-12-25 Yufei Zhang , Ziyang Chen , Bin Luo , Hong Guo

A high-precision charge measurement can be achieved by the area integration of a digitized quasi-Gaussian signal after the signal passes through the shaper and analog-to-digital converter (ADC). The charge measurement contains an error due…

Instrumentation and Detectors · Physics 2019-09-26 Jiajin Zhang , Lei Zhao , Ruoshi Dong , Peipei Deng , Cong Ma , Jiaming Lu , Shubin Liu , Qi An
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