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Several energy management applications rely on accurate photovoltaic generation forecasts. Common metrics like mean absolute error or root-mean-square error, omit error-distribution details needed for stochastic optimization. In addition,…

Machine Learning · Computer Science 2026-03-05 Philipp Danner , Hermann de Meer

Advancements in unmanned aerial vehicle (UAV) remote sensing with spectral imaging enable efficient assessment of critical agronomic traits. However, existing reflectance calibration or generation methods suffer from limited prediction…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Jiayang Xie , Yutao Shen , Haiyan Cen

We present results from a comparative study of light curves of Cepheid and RR Lyrae stars in the Galaxy and the Magellanic Clouds with their theoretical models generated from the stellar pulsation codes. Fourier decomposition method is used…

Solar and Stellar Astrophysics · Physics 2019-04-18 Harinder P. Singh , Susmita Das , Anupam Bhardwaj , Shashi Kanbur , Marcella Marconi

The proliferation of data-driven models in weather and climate sciences has marked a significant paradigm shift, with advanced models demonstrating exceptional skill in medium-range forecasting. However, these models are often limited by…

Machine Learning · Computer Science 2026-02-17 Haiwen Guan , Moein Darman , Dibyajyoti Chakraborty , Troy Arcomano , Ashesh Chattopadhyay , Romit Maulik

Monitoring the spatiotemporal dynamics of forest CO$_2$ uptake (Gross Primary Production, GPP), remains a central challenge in terrestrial ecosystem research. While Eddy Covariance (EC) towers provide high-frequency estimates, their limited…

3rd Generation Partnership Project (3GPP) Technical Report (TR) 38.901 channel models (Releases 15-19) are widely used for physical-layer design and system-level evaluation in dense urban outdoor-to-indoor (O2I) and indoor environments.…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Julia Andrusenko , Chloe Makdad

Loop-aligned hydrodynamic modelings help better understand the thermodynamic evolution of flaring plasma confined in solar flare loops. Conventional loop modelings typically assume a uniform loop cross section. With a variation of the cross…

Solar and Stellar Astrophysics · Physics 2026-02-24 Yu Dai , Shihan Li , Wenlong Tang , Zhen Li , Mingde Ding

Distributed photovoltaic (DPV) systems are essential for advancing renewable energy applications and achieving energy independence. Accurate DPV power forecasting can optimize power system planning and scheduling while significantly…

Signal Processing · Electrical Eng. & Systems 2025-03-11 Huapeng Lin , Miao Yu

This study focuses on forecasting major (>=M-class) solar flares that can severely impact the near-Earth environment. We construct two types of datasets using the Space Weather HMI Active Region Patches (SHARP), and develop a flare…

Although significant progress has been made in enhancing visibility, retrieving texture details, and mitigating noise in Low-Light (LL) images, the challenge persists in applying current Low-Light Image Enhancement (LLIE) methods to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Han Zhou , Wei Dong , Xiaohong Liu , Yulun Zhang , Guangtao Zhai , Jun Chen

Due to the importance of accurate Fourier parameters, we devise a method that is more appropriate for deriving these parameters on low-quality data than the traditional Fourier fitting. Based on the accurate light curves of 248 fundamental…

Astrophysics · Physics 2009-11-11 G. Kovacs , G. Kupi

As the Lyman-alpha (Lya) line of neutral hydrogen is the brightest emission line in the solar spectrum, detecting increases in irradiance due to solar flares at this wavelength can be challenging due to the very high background. Previous…

Solar and Stellar Astrophysics · Physics 2021-03-31 Ryan O. Milligan

The Light Use Efficiency model, epitomized by the CASA model, is extensively applied in the quantitative estimation of vegetation Net Primary Productivity. However, the classic CASA model is marked by significant complexity: the estimation…

Quantitative Methods · Quantitative Biology 2025-05-20 Guanzhou Chen , Kaiqi Zhang , Xiaodong Zhang , Hong Xie , Haobo Yang , Xiaoliang Tan , Tong Wang , Yule Ma , Qing Wang , Jinzhou Cao , Weihong Cui

High-precision pulsar timing is highly dependent on precise and accurate modeling of any effects that impact the data. It was shown that commonly used Solar Wind models do not accurately account for variability in the amplitude of the Solar…

An inversion technique to recover LTE one-dimensional model photospheres for late-type stars, which was previously applied to the Sun (Allende Prieto et al. 1998), is now employed to reconstruct, semi-empirically, the photospheres of cooler…

Conventional wisdom suggests that single-photon lidar (SPL) should operate in low-light conditions to minimize dead-time effects. Many methods have been developed to mitigate these effects in synchronous SPL systems. However, solutions for…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Ruangrawee Kitichotkul , Shashwath Bharadwaj , Joshua Rapp , Yanting Ma , Alexander Mehta , Vivek K Goyal

As climate variability increases, the ability of utility providers to deliver precise Estimated Times of Restoration (ETR) during natural disasters has become increasingly critical. Accurate and timely ETRs are essential for enabling…

Machine Learning · Computer Science 2025-05-02 Bogireddy Sai Prasanna Teja , Valliappan Muthukaruppan , Carls Benjamin

This paper proposes a generalised and robust multi-factor Gated Recurrent Unit (GRU) based Deep Learning (DL) model to forecast electricity load in distribution networks during wildfire seasons. The flexible modelling methods consider data…

Systems and Control · Electrical Eng. & Systems 2023-04-24 Weijia Yang , Sarah N. Sparrow , David C. H. Wallom

Land surface temperature (LST) is vital for land-atmosphere interactions and climate processes. Accurate LST retrieval remains challenging under heterogeneous land cover and extreme atmospheric conditions. Traditional split window (SW)…

Atmospheric and Oceanic Physics · Physics 2025-09-08 Tian Xie , Huanfeng Shen , Menghui Jiang , Juan-Carlos Jiménez-Muñoz , José A. Sobrino , Huifang Li , Chao Zeng

In this paper, we proposed a method using supervised ML in solar PV system for MPPT analysis. For this purpose, an overall schematic diagram of a PV system is designed and simulated to create a dataset in MATLAB/ Simulink. Thus, by…

Systems and Control · Electrical Eng. & Systems 2021-10-05 Ruhi Sharmin , Sayeed Shafayet Chowdhury , Farihal Abedin , Kazi Mujibur Rahman