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The Square Kilometre Array (SKA) is a planned multi purpose radio telescope with a collecting area approaching 1 million square metres. One of the key science objectives of the SKA is to provide exquisite strong-field tests of gravitational…

天体物理学 · 物理学 2015-05-13 R. Smits , M. Kramer , B. Stappers , D. R. Lorimer , J. Cordes , A. Faulkner

Radio Frequency Interference (RFI) is a growing concern in the radio astronomy community. Single-dish telescopes are particularly susceptible to RFI. Several methods have been developed to cope with RF-polluted environments, based on…

天体物理仪器与方法 · 物理学 2018-05-23 R. Finger , F. Curotto , R. Fuentes , R. Duan , L. Bronfman , D. Li

In recent years, convolutional neural networks (CNNs) have demonstrated their ability to solve problems in many fields and with accuracy that was not possible before. However, this comes with extensive computational requirements, which made…

神经与进化计算 · 计算机科学 2022-09-26 Sadiq M. Sait , Aiman El-Maleh , Mohammad Altakrouri , Ahmad Shawahna

We propose Frequency-Guided Attention (FGA), a lightweight upsampling module for single image super-resolution. Conventional upsamplers, such as Sub-Pixel Convolution, are efficient but frequently fail to reconstruct high-frequency details…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Daejune Choi , Youchan No , Jinhyung Lee , Duksu Kim

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

FPGA is appropriate for fix-point neural networks computing due to high power efficiency and configurability. However, its design must be intensively refined to achieve high performance using limited hardware resources. We present an…

硬件体系结构 · 计算机科学 2022-01-03 Qingyang Yi , Heming Sun , Masahiro Fujita

Reconfigurable architectures like Field Programmable Gate Arrays (FPGAs) have been used for accelerating computations in several domains because of their unique combination of flexibility, performance, and power efficiency. However, FPGAs…

硬件体系结构 · 计算机科学 2023-04-26 Murat Isik , Kayode Inadagbo , Hakan Aktas

We implement a specialized version of our SpeckleNN model for real-time speckle pattern classification in X-ray Single-Particle Imaging (SPI) using the SLAC Neural Network Library (SNL) on an FPGA. This hardware is optimized for inference…

仪器与探测器 · 物理学 2025-02-28 Abhilasha Dave , Cong Wang , James Russell , Ryan Herbst , Jana Thayer

This study presents an efficient field-programmable gate array (FPGA) implementation of a polynomial spline function-based statistical compression algorithm designed to address the critical challenge of massive data transfer bandwidth in…

图像与视频处理 · 电气工程与系统科学 2026-02-12 Zhenya Zang , Mike Davies , Istvan Gyongy

Although state-of-the-art (SOTA) SAT solvers based on conflict-driven clause learning (CDCL) have achieved remarkable engineering success, their sequential nature limits the parallelism that may be extracted for acceleration on platforms…

人工智能 · 计算机科学 2023-08-30 Yunuo Cen , Zhiwei Zhang , Xuanyao Fong

Hardware-based acceleration is an extensive attempt to facilitate many computationally-intensive mathematics operations. This paper proposes an FPGA-based architecture to accelerate the convolution operation - a complex and expensive…

Recurrent neural networks (RNNs), particularly LSTMs, are effective for time-series tasks like sentiment analysis and short-term stock prediction. However, their computational complexity poses challenges for real-time deployment in resource…

Designing field-programmable gate array (FPGA)-based accelerators for modern artificial intelligence workloads requires navigating a large and complex hardware design space encompassing architectural parameters, dataflow strategies, and…

硬件体系结构 · 计算机科学 2026-05-08 Vinamra Sharma , Xingjian Fu , Jude Haris , José Cano

Space missions are becoming increasingly ambitious, necessitating high-performance onboard spacecraft computing systems. In response, field-programmable gate arrays (FPGAs) have garnered significant interest due to their flexibility,…

硬件体系结构 · 计算机科学 2025-04-25 Pedro Antunes , Artur Podobas

The Pulsar Arecibo L-Band Feed Array (PALFA) survey, the most sensitive blind search for radio pulsars yet conducted, is ongoing at the Arecibo Observatory in Puerto Rico. The vast majority of the 180 pulsars discovered by PALFA have spin…

Fast radio bursts (FRBs) are extremely bright, millisecond duration cosmic transients of unknown origin. The growing number of wide-field and high-time-resolution radio surveys, particularly with next-generation facilities such as the SKA…

The Square Kilometre Array (SKA) provides an excellent opportunity for low cost searches for fast radio transients. The increased sensitivity and field of view of the SKA compared with other radio telescopes will make it an ideal instrument…

天体物理仪器与方法 · 物理学 2015-05-28 T. M. Colegate , N. Clarke

Using the Fourier Domain Acceleration Search (FDAS) method to search for binary pulsars is a computationally costly process. Next generation radio telescopes will have to perform FDAS in real time, as data volumes are too large to store.…

天体物理仪器与方法 · 物理学 2022-11-28 Jack White , Karel Adamek , Wes Armour

In natural language processing (NLP), the "Transformer" architecture was proposed as the first transduction model replying entirely on self-attention mechanisms without using sequence-aligned recurrent neural networks (RNNs) or convolution,…

分布式、并行与集群计算 · 计算机科学 2020-07-20 Bingbing Li , Santosh Pandey , Haowen Fang , Yanjun Lyv , Ji Li , Jieyang Chen , Mimi Xie , Lipeng Wan , Hang Liu , Caiwen Ding

This research delves into sophisticated neural network frameworks like Convolutional Neural Networks (CNN), Recurrent Neural Networks (RNN), Long Short-Term Memory Networks (LSTMs), and Deep Belief Networks (DBNs) for improved analysis of…

机器学习 · 计算机科学 2023-11-22 Nisanur Alici , Kayode Inadagbo , Murat Isik