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We developed a pulsar search pipeline based on PRESTO (PulsaR Exploration and Search Toolkit). This pipeline simply runs dedispersion, FFT (Fast Fourier Transformation), and acceleration search in process-level parallel to shorten the…

天体物理仪器与方法 · 物理学 2020-07-08 Qiuyu Yu , Zhichen Pan , Lei Qian , Shen Wang , Youling Yue , Menglin Huang , Qiaoli Hao , Shanping You , Bo Peng , Yan Zhu , Lei Zhang , Zhijie Liu

The demand for computational resources is steadily increasing in experimental high energy physics as the current collider experiments continue to accumulate huge amounts of data and physicists indulge in more complex and ambitious analysis…

数据分析、统计与概率 · 物理学 2021-01-12 Nairit Sur , Leonardo Cristella , Adriano Di Florio , Vincenzo Mastrapasqua

Dedispersion is the computational process of correcting for the frequency-dependent time delay affecting a radio signal that propagates through the interstellar and intergalactic media. It is a crucial component of transient search…

天体物理仪器与方法 · 物理学 2026-03-05 Cristian Di Pietrantonio , Marcin Sokolowski , Christopher Harris , Danny C. Price , Randall Wayth

A radio interferometer indirectly measures the intensity distribution of the sky over the celestial sphere. Since measurements are made over an irregularly sampled Fourier plane, synthesising an intensity image from interferometric…

天体物理仪器与方法 · 物理学 2014-03-18 Daniel Muscat

Gridding operation, which is to map non-uniform data samples onto a uniformly distributedgrid, is one of the key steps in radio astronomical data reduction process. One of the mainbottlenecks of gridding is the poor computing performance,…

天体物理仪器与方法 · 物理学 2021-01-14 Hao Wang , Ce Yu , Bo Zhang , Jian Xiao , Qi Luo

This paper introduces a phase tracking method for planetary radio science research with computational algorithm implemented fo r NVIDIA GPUs. In contrast to the phase-locked loop (PPL) phase counting method used in traditional Doppler data…

天体物理仪器与方法 · 物理学 2019-07-23 Nianchuan Jian , Dmitry Mikushin , Jianguo Yan

We present an implementation of the coherent dedispersion algorithm capable of dedispersing high-time-resolution radio observations to many different dispersion measures (DMs). This approach allows the removal of the dispersive effects of…

天体物理仪器与方法 · 物理学 2016-07-05 C. G. Bassa , Z. Pleunis , J. W. T. Hessels

Large-language models (LLMs) are rapidly being applied to radiology, enabling automated image interpretation and report generation tasks. Their deployment in clinical practice requires both high diagnostic accuracy and low inference…

组织与器官 · 定量生物学 2025-11-11 Jyun-Ping Kao

Gaussian processes (GPs) are a widely used regression tool, but the cubic complexity of exact solvers limits their scalability. To address this challenge, we extend the GPRat library by incorporating a fully GPU-resident GP prediction…

分布式、并行与集群计算 · 计算机科学 2026-02-24 Henrik Möllmann , Dirk Pflüger , Alexander Strack

We propose a GPU-accelerated distributed optimization algorithm for controlling multi-phase optimal power flow in active distribution systems with dynamically changing topologies. To handle varying network configurations and enable…

分布式、并行与集群计算 · 计算机科学 2025-01-15 Minseok Ryu , Geunyeong Byeon , Kibaek Kim

In this article we study the suitability of dierent computational accelerators for the task of real-time data processing. The algorithm used for comparison is the polyphase filter, a standard tool in signal processing and a well established…

分布式、并行与集群计算 · 计算机科学 2014-11-14 Karel Adámek , Jan Novotný , Wes Armour

Graphics Processing Units (GPUs) are high performance co-processors originally intended to improve the use and quality of computer graphics applications. Once, researchers and practitioners noticed the potential of using GPU for general…

数值分析 · 计算机科学 2016-07-12 K. Parand , Saeed Zafarvahedian , Sayyed A. Hossayni

Penetration depth calculation quantifies the extent of overlap between two objects and is crucial in fields like simulations, the metaverse, and robotics. Recognizing its significance, efforts have been made to accelerate this computation…

图形学 · 计算机科学 2025-09-17 YoungWoo Kim , Sungmin Kwon , Duksu Kim

We demonstrate stable real-time operation of a software-defined, GPU-based receiver over a metropolitan network. Massive parallelization is exploited for implementing direct-detection and coherent Kramers-Kronig detection in real time at 2…

We present a heterogeneous search algorithm for broadband extended gravitational-wave emission (BEGE), expected from gamma-ray bursts and energetic core-collapse supernovae. It searches the $(f,\dot{f})$-plane for long duration bursts by…

天体物理仪器与方法 · 物理学 2017-08-08 Maurice H. P. M. van Putten

Recent years have witnessed a rapid advancement in GPU technology, establishing it as a formidable high-performance parallel computing technology with superior floating-point computational capabilities compared to traditional CPUs. This…

分布式、并行与集群计算 · 计算机科学 2024-04-18 Xinyao Yi , Yuxin Qiao

We propose a framework for active mapping and exploration that leverages Gaussian splatting for constructing dense maps. Further, we develop a GPU-accelerated motion planning algorithm that can exploit the Gaussian map for real-time…

机器人学 · 计算机科学 2025-10-07 Yuezhan Tao , Dexter Ong , Varun Murali , Igor Spasojevic , Pratik Chaudhari , Vijay Kumar

We present a networked, high performance graphics system that combines dynamic, high quality, ray traced global illumination computed on a server with direct illumination and primary visibility computed on a client. This approach provides…

分布式、并行与集群计算 · 计算机科学 2021-03-11 Michael Stengel , Zander Majercik , Benjamin Boudaoud , Morgan McGuire

The field of remote sensing is nowadays faced with huge amounts of data. While this offers a variety of exciting research opportunities, it also yields significant challenges regarding both computation time and space requirements. In…

分布式、并行与集群计算 · 计算机科学 2018-07-06 Malte von Mehren , Fabian Gieseke , Jan Verbesselt , Sabina Rosca , Stéphanie Horion , Achim Zeileis

The Bustling Universe Radio Survey Telescope in Taiwan (BURSTT) is a new-generation wide-angle radio telescope specifically designed to survey Fast Radio Bursts (FRBs), energetic millisecond-duration pulses of unknown extragalactic origin.…

天体物理仪器与方法 · 物理学 2026-04-23 Kai-Yang Lin , Chih-Yi Wen , Homin Jiang , Jen-Hung Wang , Sujin Eie , Shih-Hao Wang , Yao-Huan Tseng , Hsien-Chun Tseng , Daniel Baker , Ue-Li Pen