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Related papers: A Chaotic Approach on Solar Irradiance Forecasting

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A hierarchy of statistics of increasing sophistication and accuracy is proposed, to exploit an interesting and fundamental arithmetic structure in the photon bunching noise of incoherent light of large photon occupation number, with the…

Instrumentation and Methods for Astrophysics · Physics 2017-08-02 Richard Lieu

Accurate solar power forecasting is crucial to integrate photovoltaic plants into the electric grid, schedule and secure the power grid safety. This problem becomes more demanding for those newly installed solar plants which lack sufficient…

Machine Learning · Computer Science 2024-02-09 Ziqing Ma , Wenwei Wang , Tian Zhou , Chao Chen , Bingqing Peng , Liang Sun , Rong Jin

Determining the maximum potential limit in the accuracy of hurricane intensity prediction is important for operational practice. Using the phase-space reconstruction method for hurricane intensity time series, here we found that hurricane…

Atmospheric and Oceanic Physics · Physics 2021-10-12 Chanh Kieu , Weiran Cai , Wai-Tong , Fan

The observation and research of the solar radio emission have unique scientific values in solar and space physics and related space weather forecasting applications, since the observed spectral structures may carry important information…

Instrumentation and Methods for Astrophysics · Physics 2017-09-20 Qing-Fu Du , Lei Chen , Yue-Chang Zhao , Xin Li , Yan Zhou , Jun-Rui Zhang , Fa-Bao Yan , Shi-Wei Feng , Chuan-Yang Li , Yao Chen

Context. The variations of solar activity over long time intervals using a solar activity reconstruction based on the cosmogenic radionuclide 10Be measured in polar ice cores are studied. Methods. By applying methods of nonlinear dynamics,…

Solar and Stellar Astrophysics · Physics 2015-06-18 A. Hanslmeier , R. Brajsa , J. Calogovic , B. Vrsnak , D. Ruzdjak , F. Steinhilber , C. L. MacLeod , Z. Ivezic , I. Skokic

Solar irradiance clustering can enhance solar power capacity planning and help improve forecasting models by identifying similar irradiance patterns influenced by seasonal and weather changes. In this study, we adopt an efficient two-level…

Machine Learning · Computer Science 2025-01-20 Roshni Agrawal , Sivakumar Subramanian , Venkataramana Runkana

In this paper, an extremely accurate numerical algorithm, namely the "clean numerical simulation" (CNS), is proposed to accurately simulate the propagation of micro-level inherent physical uncertainty of chaotic dynamic systems. The chaotic…

Chaotic Dynamics · Physics 2012-12-27 S. J. Liao

The interior structure of the Sun can be studied with great accuracy using observations of its oscillations, similar to seismology of the Earth. Precise agreement between helioseismological measurements and predictions of theoretical solar…

Astrophysics · Physics 2009-11-11 Jeremy J. Drake Paola Testa

We study the effect of random matter density fluctuations in the sun on resonant neutrino conversion in matter by solving numerically the evolution equation for the neutrino system including the full effect of the random matter density…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Bykov , M. C. Gonzalez-Garcia , C. Peña-Garay , V. Yu. Popov , V. B. Semikoz

This paper presents and evaluates the performance of an optimal scheduling algorithm that selects the on/off combinations and timing of a finite set of dynamic electric loads on the basis of short term predictions of the power delivery from…

Systems and Control · Computer Science 2016-07-27 Abdulelah H Habib , Zachary K Pecena , Vahid R Disfani , Jan Kleissl , Raymond A. de Callafon

A hybrid approach, incorporating concepts of nonlinear dynamics in artificial neural networks (ANN), is proposed to model time series generated by complex dynamic systems. We introduce well known features used in the study of dynamic…

comp-gas · Physics 2008-02-03 D. R. Kulkarni , A. S. Pandya , J. C. Parikh

We show how magnetic observations of the Sun can be used in conjunction with an axisymmetric flux-transport solar dynamo model in order to estimate the large-scale meridional circulation throughout the convection zone. Our innovative…

Solar and Stellar Astrophysics · Physics 2017-10-06 Ching Pui Hung , Laurène Jouve , Allan Sacha Brun , Alexandre Fournier , Olivier Talagrand

We present graphs of information versus disturbance for general quantum measurements of completely unknown states. Each piece of information and disturbance is quantified by two measures: (i) the Shannon entropy and estimation fidelity for…

Quantum Physics · Physics 2017-08-31 Hiroaki Terashima

We apply one of lazy learning methods named k-nearest neighbor algorithm (kNN) to estimate the photometric redshifts of quasars, based on various datasets from the Sloan Digital Sky Survey (SDSS), UKIRT Infrared Deep Sky Survey (UKIDSS) and…

Instrumentation and Methods for Astrophysics · Physics 2017-03-22 Zhang Yanxia , Ma He , Peng Nanbo , Zhao Yongheng , Wu Xue-bing

Frequency and rotational splittings of the solar f-modes are estimated from the GONG data. Contrary to earlier observations the frequencies of f-modes are found to be close to the theoretically computed values for a standard solar model.…

Astrophysics · Physics 2008-11-26 H. M. Antia

Long-term sensor network deployments demand careful power management. While managing power requires understanding the amount of energy harvestable from the local environment, current solar prediction methods rely only on recent local…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-10-28 Elizabeth Basha , Raja Jurdak , Daniela Rus

Using solar spectral irradiance measurements from the SORCE spacecraft and the F/F' technique, we have estimated the radial velocity (RV) scatter induced on the Sun by stellar activity as a function of wavelength. Our goal was to evaluate…

Solar and Stellar Astrophysics · Physics 2015-06-23 Robert C. Marchwinski , Suvrath Mahadevan , Paul Robertson , Lawrence Ramsey , Jerald Harder

Machine learning's application in solar-thermal desalination is limited by data shortage and inconsistent analysis. This study develops an optimized dataset collection and analysis process for the representative solar still. By…

Efficient integration of solar energy into the electricity mix depends on a reliable anticipation of its intermittency. A promising approach to forecast the temporal variability of solar irradiance resulting from the cloud cover dynamics is…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Quentin Paletta , Anthony Hu , Guillaume Arbod , Joan Lasenby

The topology and dynamics of the solar chromosphere are greatly affected by the presence of magnetic fields. The magnetic field can be inferred by analyzing polarimetric observations of spectral lines. Polarimetric signals induced by…

Solar and Stellar Astrophysics · Physics 2019-09-11 C. J. Díaz Baso , J. de la Cruz Rodríguez , S. Danilovic
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