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In particle physics experiments, pulse shape discrimination (PSD) is a powerful tool for eliminating the major background from signals. However, the analysis methods have been a bottleneck to improving PSD performance. In this study, two…

仪器与探测器 · 物理学 2022-11-07 M. Yoshino , T. Iida , K. Mizukoshi , T. Miyazaki , K. Kamada , K. J. Kim , A. Yoshikawa

The identification, and subsequent discovery, of fast radio transients through blind-search surveys requires a large amount of processing power, in worst cases scaling as $\mathcal{O}(N^3)$. For this reason, survey data are generally…

天体物理仪器与方法 · 物理学 2014-02-04 Alessio Magro , Aris Karastergiou , Stefano Salvini , Benjamin Mort , Fred Dulwich , Kristian Zarb Adami

Previous works on Human Pose and Shape Estimation (HPSE) from RGB images can be broadly categorized into two main groups: parametric and non-parametric approaches. Parametric techniques leverage a low-dimensional statistical body model for…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Guénolé Fiche , Simon Leglaive , Xavier Alameda-Pineda , Antonio Agudo , Francesc Moreno-Noguer

Coherent electron displacement is a conventional strategy for processing quantum information, as it enables to interconnect distinct sites in a network of atoms. The efficiency of the processing relies on the precise control of the…

量子物理 · 物理学 2020-12-02 Hicham Agueny

Noninvasive brain stimulation can activate neurons in the brain but requires power electronics with exceptionally high power in the mega-volt-ampere and high frequencies in the kilohertz range. Whereas oscillator circuits offered only one…

医学物理 · 物理学 2025-03-11 Jinshui Zhang , Angel Peterchev , Stefan Goetz

This paper proposes a cost-effective architecture for an RF pulse generator for superconducting qubits. Most existing works use arbitrary waveform generators (AWGs) that require both a large amount of high-bandwidth memories and…

This work investigates the use of pulse stretching inverters for monitoring the variation of flux and Linear Energy Transfer (LET) of energetic particles. The basic particle detector consists of two cascaded pulse stretching (skew-sized)…

仪器与探测器 · 物理学 2021-09-01 Marko Andjelkovic , Junchao Chen , Aleksandar Simevski , Oliver Schrape , Milos Krstic , Rolf Kraemer

We demonstrate a novel setup for hybrid particle-in-cell simulations designed to isolate the physics of the shock precursor over long time periods for significantly lower computational cost than previous methods. This is achieved using a…

高能天体物理现象 · 物理学 2025-07-22 Emily R. Simon , Damiano Caprioli , Colby C. Haggerty , Brian Reville

Particle accelerator modeling is an important field of research and development, essential to investigating, designing and operating some of the most complex scientific devices ever built. Kinetic simulations of relativistic, charged…

We derive composite pulse sequences that achieve high-fidelity excitation of two-state systems in an optically dense, inhomogeneously broadened ensemble. The composite pulses are resistant to distortions due to the back-action of the medium…

量子物理 · 物理学 2016-02-24 Gabor Demeter

A device and a method for producing ultrashort electron pulses with GHz repetition rates via pulsing an input direct current (dc) electron beam are provided. The device and the method are based on an electromagnetic-mechanical pulser (EMMP)…

仪器与探测器 · 物理学 2015-08-18 Jiaqi Qiu , Gwanghui Ha , Chunguang Jing , Sergey V. Baryshev , Bryan W. Reed , Yimei Zhu , June W. Lau

The Hiperwalk package is designed to facilitate the simulation of quantum walks using heterogeneous high-performance computing, taking advantage of the parallel processing power of diverse processors such as CPUs, GPUs, and acceleration…

量子物理 · 物理学 2024-06-13 Paulo Motta , Gustavo A. Bezerra , Anderson F. P. Santos , Renato Portugal

CPU simulators are vital for computer architecture research, primarily for estimating performance under different programs. This poses challenges for fast and accurate simulation of modern CPUs, especially in multi-core systems. Modern CPU…

性能 · 计算机科学 2025-10-14 Buqing Xu , Jianfeng Zhu , Yichi Zhang , Qinyi Cai , Guanhua Li , Shaojun Wei , Leibo Liu

Position sensitive detectors based on gaseous scintillation proportional counters with Anger-type readout are being used in several research areas such as neutron detection, search for dark matter and neutrinoless double beta decay. Design…

仪器与探测器 · 物理学 2016-01-20 L. Pereira , L. M. S. Margato , A. Morozov , V. Solovov , F. A. F. Fraga

The combinatorics of track seeding has long been a computational bottleneck for triggering and offline computing in High Energy Physics (HEP), and remains so for the HL-LHC. Next-generation pixel sensors will be sufficiently fine-grained to…

In pulsed dynamic nuclear polarization (DNP), enhancement of the polarization of bulk nuclei requires the repeated application of a microwave pulse sequence. So far, analysis of a one-time transfer of electron spin polarization to a…

Semantic segmentation in remote sensing is commonly addressed using classical deep learning architectures such as U-Net, which require a large number of parameters to model complex spatial relationships. Quantum machine learning (QML)…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Md Aminur Hossain , Ayush V. Patel , Ikshwaku Vanani , Biplab Banerjee

The analog signals generated in the read-out electronics of radiation detectors are shaped prior to the digitization in order to improve the signal to noise ratio (SNR). The real amplitude of the analog signal is then obtained using digital…

仪器与探测器 · 物理学 2019-03-07 J. L. Ortiz , F. Carrió , A. Valero

We introduce a filter-construction method for pulse processing that differs in two respects from that in standard optimal filtering, in which the average pulse shape and noise-power spectral density are combined to create a convolution…

数据分析、统计与概率 · 物理学 2012-12-11 B. K. Alpert , R. D. Horansky , D. A. Bennett , W. B. Doriese , J. W. Fowler , A. S. Hoover , M. W. Rabin , J. N. Ullom

Scalp electroencephalogram (EEG) signals inherently have a low signal-to-noise ratio due to the way the signal is electrically transduced. Temporal and spatial information must be exploited to achieve accurate detection of seizure events.…

信号处理 · 电气工程与系统科学 2022-02-17 Vahid Khalkhali , Nabila Shawki , Vinit Shah , Meysam Golmohammadi , Iyad Obeid , Joseph Picone