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The pulse morphology of fast radio bursts (FRBs) provides key information in both understanding progenitor physics and the plasma medium through which the burst propagates. We present a study of the profiles of 33 bright FRBs detected by…

Fast radio bursts (FRBs) are bright radio bursts originating at cosmological distances. Only three repeating FRBs FRB 20121102A, FRB 20190520B and FRB 20201124A among $\sim$ 60 known repeating FRBs have circular polarization. We observed…

We implement the Fourier shape parametrization within the point-coupling covariant density functional theory to construct the collective space, potential energy surface (PES), and mass tensor, which serve as inputs for the time-dependent…

Nuclear Theory · Physics 2025-03-13 Zeyu Li , Yang Su , Lile Liu , Yongjing Chen , Zhipan Li

The study of fast radio bursts (FRBs) is of great importance, and is a topic that has been extensively researched, particularly in recent years. While the extreme nature of FRBs can serve as a tool for researchers to probe the intergalactic…

Instrumentation and Methods for Astrophysics · Physics 2023-02-14 Apostolos Spanakis-Misirlis , Cameron L. Van Eck

The data fusion technology aims to aggregate the characteristics of different data and obtain products with multiple data advantages. To solves the problem of reduced resolution of PolSAR images due to system limitations, we propose a fully…

Image and Video Processing · Electrical Eng. & Systems 2021-07-20 Liupeng Lin , Jie Li , Huanfeng Shen , Lingli Zhao , Qiangqiang Yuan , Xinghua Li

We explore the spectral and polarization properties of photospheric emissions from stratified jets in which multiple components, separated by a sharp velocity shear regions, are distributed in lateral direction. Propagation of thermal…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Hirotaka Ito , Shigehiro Nagataki , Jin Matsumoto , Shiu-Hang Lee , Alexey Tolstov , Jirong Mao , Maria Dainotti , Akira Mizuta

The millisecond-duration radio flashes known as Fast Radio Bursts (FRBs) represent an enigmatic astrophysical phenomenon. Recently, the sub-arcsecond localization (~ 100mas precision) of FRB121102 using the VLA has led to its unambiguous…

We propose measuring the arrival time difference of Fast Radio Bursts (FRBs) along two adjacent sightlines as a new probe to dark matter substructures on scales down to $\sim 1\,$AU. We discuss two observational scenarios in which it may be…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-16 Huangyu Xiao , Liang Dai , Matthew McQuinn

This paper considers the identification of FIR systems, where information about the inputs and outputs of the system undergoes quantization into binary values before transmission to the estimator. In the case where the thresholds of the…

Systems and Control · Computer Science 2018-09-20 Alex S. Leong , Erik Weyer , Girish N. Nair

We present GeMS/GSAOI observations of five fast radio burst (FRB) host galaxies with sub-arcsecond localizations. We examine and quantify their spatial distributions and locations with respect to their host galaxy light distributions,…

We develop a sophisticated model of FRB observations, accounting for the intrinsic cosmological gas distribution and host galaxy contributions, and give the most detailed account yet of observational biases due to burst width, dispersion…

High Energy Astrophysical Phenomena · Physics 2024-06-05 C. W. James , J. X. Prochaska , J. -P. Macquart , F. North-Hickey , K. W. Bannister , A. Dunning

The emission mechanism and the origin and structure of magnetic fields in gamma-ray burst (GRB) jets are among the most important open questions concerning the nature of the central engine of GRBs. In spite of extensive observational…

A comprehensive investigation of the signal-to-noise ratio (SNR) of the microwave photonic filter (MPF) with an interferometric structure based on an incoherent broadband optical source (IBOS) is presented from the time and frequency…

Signal Processing · Electrical Eng. & Systems 2020-05-12 Long Huang , Ruoming Li , Peng Xiang , Pan Dai , Wenxuan Wang , Mi Li , Xiangfei Chen , Yuechun Shi

Fast Radio Burst (FRB) 20250316A, detected by CHIME on 2025 March 16 with a fluence of $1.7\pm0.1~\mathrm{Jy\,ms}$ and a dispersion measure of $161.3\pm0.4~\mathrm{pc\,cm^{-3}}$, ranks among the brightest extragalactic FRBs at $\sim 40$…

High Energy Astrophysical Phenomena · Physics 2025-09-04 Tao An , Ailing Wang , Yu-Chen Huang , Jia-Pei Feng , Yuanqi Liu , Zhongli Zhang , Zi-Gao Dai

Fast Radio Bursts (FRBs) are short-duration radio transients with mysterious origins. Since its uncertainty, there are very few FRBs that are observed by different instruments, simultaneously. This study presents a detailed analysis of a…

High Energy Astrophysical Phenomena · Physics 2025-07-24 Yuhao Zhu , Chenhui Niu , Shi Dai , Di Li , Pei Wang , Yi Feng , Jingwen Wu , Yongkun Zhang , Xianghan Cui , Junshuo Zhang , Jinhuang Cao

We propose polarization of scattered optical light from intermediate Galactic latitude infrared cirrus as a new diagnostic to constrain models of interstellar dust and the anisotropic interstellar radiation field (aISRF). For single…

Astrophysics of Galaxies · Physics 2023-11-03 Shannon K. Bowes , Peter G. Martin

Implicit Neural Representations (INRs) leverage neural networks to map coordinates to corresponding signals, enabling continuous and compact representations. This paradigm has driven significant advances in various vision tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Sukhun Ko , Seokhyun Youn , Dahyeon Kye , Kyle Min , Chanho Eom , Jihyong Oh

We introduce the construction of polarized intensity cubes $P$(RA, Dec, $\Phi$) and their visualization as movies, as a powerful technique for interpreting Faraday structure. $P$ is constructed from maps of peak polarized intensity P(RA,…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-24 Lawrence Rudnick , Craig Anderson , William D. Cotton , Alice Pasetto , Emma Alexander , Mehrnoosh Tahani

We discuss some of the claims that have been made regarding the statistics of fast radio bursts (FRBs). In an earlier paper \citep{2015arXiv150505535C} we conjectured that flicker noise associated with FRB repetition could show up in…

High Energy Astrophysical Phenomena · Physics 2016-02-24 Liam Connor , Ue-Li Pen , Niels Oppermann

Infrared small target detection and segmentation (IRSTDS) is a critical yet challenging task in defense and civilian applications, owing to the dim, shapeless appearance of targets and severe background clutter. Recent CNN-based methods…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Maoxun Yuan , Duanni Meng , Ziteng Xi , Tianyi Zhao , Shiji Zhao , Yimian Dai , Xingxing Wei
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