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相关论文: Decreasing False Alarm Rates in ML-based Solar Fla…

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Improving the performance of solar flare forecasting is a hot topic in solar physics research field. Deep learning has been considered a promising approach to perform solar flare forecasting in recent years. We first used the Generative…

太阳与恒星天体物理 · 物理学 2021-12-15 Zheng Deng , Feng Wang , Hui Deng , Lei Tan , Linhua Deng , Song Feng

We propose a forecasting approach for solar flares based on data from Solar Cycle 24, taken by the Helioseismic and Magnetic Imager (HMI) on board the Solar Dynamics Observatory (SDO) mission. In particular, we use the Space-weather HMI…

Adverse space weather effects can often be traced to solar flares, prediction of which has drawn significant research interests. The Helioseismic and Magnetic Imager (HMI) produces full-disk vector magnetograms with continuous high cadence,…

太阳与恒星天体物理 · 物理学 2017-07-26 Chang Liu , Na Deng , Jason T. L. Wang , Haimin Wang

Solar flares are among the most severe space weather phenomena, and they have the capacity to generate radiation storms and radio disruptions on Earth. The accurate prediction of solar flare events remains a significant challenge, requiring…

太阳与恒星天体物理 · 物理学 2023-10-31 Vysakh P. A. , Prateek Mayank

We consider the flare prediction problem that distinguishes flare-imminent active regions that produce an M- or X-class flare in the future 24 hours, from quiet active regions that do not produce any flare within $\pm 24$ hours. Using…

太阳与恒星天体物理 · 物理学 2022-06-15 Zeyu Sun , Monica G. Bobra , Xiantong Wang , Yu Wang , Hu Sun , Tamas Gombosi , Yang Chen , Alfred Hero

We attempt to forecast M-and X-class solar flares using a machine-learning algorithm, called Support Vector Machine (SVM), and four years of data from the Solar Dynamics Observatory's Helioseismic and Magnetic Imager, the first instrument…

太阳与恒星天体物理 · 物理学 2015-01-09 Monica G. Bobra , Sebastien Couvidat

Space weather phenomena such as solar flares, have massive destructive power when reaches certain amount of magnitude. Such high magnitude solar flare event can interfere space-earth radio communications and neutralize space-earth…

太阳与恒星天体物理 · 物理学 2022-01-19 Vlad Landa , Yuval Reuveni

We developed a flare prediction model using machine learning, which is optimized to predict the maximum class of flares occurring in the following 24 h. Machine learning is used to devise algorithms that can learn from and make decisions on…

太阳与恒星天体物理 · 物理学 2017-02-01 N. Nishizuka , K. Sugiura , Y. Kubo , M. Den , S. Watari , M. Ishii

Solar flare forecasting research using machine learning (ML) has focused on high resolution magnetogram data from the SDO/HMI era covering Solar Cycle 24 and the start of Solar Cycle 25, with some efforts looking back to SOHO/MDI for data…

太阳与恒星天体物理 · 物理学 2023-08-30 Kiera van der Sande , Andrés Muñoz-Jaramillo , Subhamoy Chatterjee

Solar energy is one of the most dependable renewable energy technologies, as it is feasible almost everywhere globally. However, improving the efficiency of a solar PV system remains a significant challenge. To enhance the robustness of the…

图像与视频处理 · 电气工程与系统科学 2026-03-02 Maryam Paparimoghadamborazjani , Amin Kazemi

We present several methods towards construction of precursors, which show great promise towards early predictions, of solar flare events in this paper. A data pre-processing pipeline is built to extract useful data from multiple sources,…

The spatial extension of active regions (ARs) of the Sun can vary from one case to the next. This is a problem when studying solar flares with Convolutional Neural Networks (CNNs) as they generally use input images of a fixed size.…

太阳与恒星天体物理 · 物理学 2025-03-10 Philippe Vong , Laurent Dolla , Alexandros Koukras , Jacques Gustin , Jorge Amaya , Ekaterina Dineva , Giovanni Lapenta

A convolutional neural network (CNN) is used to construct a new catalog for solar flares based on high resolution (1-s cadence) Geostationary Operational Environmental Satellites (GOES) soft X-ray data. The CNN is trained to identify flare…

太阳与恒星天体物理 · 物理学 2026-04-13 Nastaran Farhang , Michael. S. Wheatland , Andrew Melatos

Accurate solar flare prediction is crucial due to the significant risks that intense solar flares pose to astronauts, space equipment, and satellite communication systems. Our research enhances solar flare prediction by utilizing advanced…

太阳与恒星天体物理 · 物理学 2024-09-24 MohammadReza EskandariNasab , Shah Muhammad Hamdi , Soukaina Filali Boubrahimi

Space weather events may cause damage to several fields, including aviation, satellites, oil and gas industries, and electrical systems, leading to economic and commercial losses. Solar flares are one of the most significant events, and…

太阳与恒星天体物理 · 物理学 2020-06-25 T. Cinto , A. L. S. Gradvohl , G. P. Coelho , A. E. A. da Silva

Solar flares are explosions in the solar atmosphere that release intense bursts of short-wavelength radiation and are capable of producing severe space-weather consequences. Flares release free energy built up in coronal fields, which are…

太阳与恒星天体物理 · 物理学 2020-08-05 Shamik Bhattacharjee , Rasha Alshehhi , Dattaraj B. Dhuri , Shravan M. Hanasoge

Recently, there has been growing interest in the use of machine-learning methods for predicting solar flares. Initial efforts along these lines employed comparatively simple models, correlating features extracted from observations of…

太阳与恒星天体物理 · 物理学 2023-06-21 Varad Deshmukh , Srinivas Baskar , Elizabeth Bradley , Thomas Berger , James D. Meiss

Solar flare prediction is a central problem in space weather forecasting and recent developments in machine learning and deep learning accelerated the adoption of complex models for data-driven solar flare forecasting. In this work, we…

机器学习 · 计算机科学 2023-09-12 Chetraj Pandey , Anli Ji , Rafal A. Angryk , Berkay Aydin

Solar flares, especially the M- and X-class flares, are often associated with coronal mass ejections (CMEs). They are the most important sources of space weather effects, that can severely impact the near-Earth environment. Thus it is…

太阳与恒星天体物理 · 物理学 2022-12-02 Hewei Zhang , Qin Li , Yanxing Yang , Ju Jing , Jason T. L. Wang , Haimin Wang , Zuofeng Shang

Solar flares are among the most powerful and dynamic events in the solar system, resulting from the sudden release of magnetic energy stored in the Sun's atmosphere. These energetic bursts of electromagnetic radiation can release up to…

太阳与恒星天体物理 · 物理学 2025-05-07 Julia Bringewald
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