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Kilometer-scale weather data is crucial for real-world applications but remains computationally intensive to produce using traditional weather simulations. An emerging solution is to use deep learning models, which offer a faster…

To date, the most detailed studies of galactic winds have come from 3-D spectrophotometric observations with radio and Fabry-Perot interferometers. Here, we report the latest results from a long-term optical survey of nearby active and…

Astrophysics · Physics 2007-05-23 S. Veilleux

In order to provide wireless services for wide sea area, this paper designs an integrated satellite-terrestrial maritime communication framework. Specifically, the terrestrial base station (TBS) serves near-shore users, while the low earth…

Information Theory · Computer Science 2024-07-30 Kaiwei Xiong , Xiaoming Chen , Ming Ying

As global warming increases the complexity of weather patterns; the precision of weather forecasting becomes increasingly important. Our study proposes a novel preprocessing method and convolutional autoencoder model developed to improve…

Machine Learning · Computer Science 2024-11-11 Yo-Hwan Choi , Seon-Yu Kang , Minjong Cheon

Thermal dust emission carries information on physical conditions and dust properties in many astronomical sources. Because observations represent a sum of emission along the line of sight, their interpretation often requires radiative…

Instrumentation and Methods for Astrophysics · Physics 2019-02-06 M. Juvela

Nowcasting is a field of meteorology which aims at forecasting weather on a short term of up to a few hours. In the meteorology landscape, this field is rather specific as it requires particular techniques, such as data extrapolation, where…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Léa Berthomier , Bruno Pradel , Lior Perez

The influence of the growth conditions as well as the device design on the device performance of (GaIn)As/Ga(AsSb)/(GaIn)As "W"-quantum well lasers is investigated. To this purpose, the epitaxy process is scaled to full two inch substrates…

Precipitation nowcasting is to predict the future rainfall intensity over a short period of time, which mainly relies on the prediction of radar echo sequences. Though convolutional neural network (CNN) and recurrent neural network (RNN)…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Ziao Yang , Xiangrui Yang , Qifeng Lin

The Global Navigation Satellite System (GNSS) has been a very powerful and important contributor to all scientific questions related to precise positioning on Earth's surface, particularly as a mature technique in geodesy and geosciences.…

Geophysics · Physics 2015-10-27 Shuanggen Jin , Attila Komjathy

Meteorological satellite imagery is critical for meteorologists. The data have played an important role in monitoring and analyzing weather and climate changes. However, satellite imagery is a kind of observation data and exists a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Fang Huang , Wencong Cheng , PanFeng Wang , ZhiGang Wang , HongHong He

Aims: Grain growth has been suggested as one possible explanation for the diminished dust optical depths in the inner regions of protoplanetary "transition" disks. In this work, we directly test this hypothesis in the context of current…

Solar and Stellar Astrophysics · Physics 2012-06-28 T. Birnstiel , S. M. Andrews , B. Ercolano

Fluctuation enhanced sensing (FES) is a promising method to improve the selectivity and sensitivity of semiconductor and nanotechnology gas sensors. Most measurement setups include high cost signal conditioning and data acquisition units as…

Instrumentation and Detectors · Physics 2014-05-07 Robert Mingesz , Gergely Vadai , Zoltan Gingl

Outbursts of young stellar objects occur when the mass accretion rate suddenly increases. However, such outbursts are difficult to detect for deeply embedded protostars due to their thick envelope and the rarity of outbursts. The near-IR…

Solar and Stellar Astrophysics · Physics 2021-10-13 Sung-Yong Yoon , Jeong-Eun Lee , Seokho Lee , Gregory J. Herczeg , Sunkyung Park , Gregory N. Mace , Jae-Joon Lee , Daniel T. Jaffe

Self-sustainable communications based on advanced energy harvesting technologies have been under rapid development, which facilitate autonomous operation and energy-efficient transmission. Recently, ambient backscattering that leverages…

Networking and Internet Architecture · Computer Science 2017-09-22 Xiao Lu , Hai Jiang , Dusit Niyato , Dong In Kim , Ping Wang

We apply nested-sampling (NS) Bayesian analysis [AshtonEA22] to a model for the transport of MHD-scale solar wind fluctuations. The dual objectives are to obtain improved constraints on parameters present in the turbulence transport model…

Solar and Stellar Astrophysics · Physics 2024-12-12 Mark Bishop , Sean Ougthon , Tulasi Parashar , Yvette Perrott

Large scale outflows of different gas phases are ubiquitous in the host galaxies of active galactic nuclei (AGN). Despite their many differences, they share a common property - they all contain dust. The dust is carried with the outflow,…

Astrophysics of Galaxies · Physics 2018-11-07 Dalya Baron , Hagai Netzer

The Beam Emission Spectroscopy (BES) turbulence diagnostic on MAST is to be upgraded in June 2010 from a 1D trial system to a 2D imaging system (8 radial \times 4 poloidal channels) based on a newly developed APD array camera. The spatial…

Plasma Physics · Physics 2012-03-26 Y. -c. Ghim , A. R. Field , S. Zoletnik , D. Dunai

Methane is a potent greenhouse gas, and detecting its leaks early via hyperspectral satellite imagery can help mitigate climate change. Meanwhile, many existing missions operate in manual tasking regimes only, thus missing potential events…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Jonáš Herec , Vít Růžička , Rado Pitoňák

Weather nowcasting consists of predicting meteorological components in the short term at high spatial resolutions. Due to its influence in many human activities, accurate nowcasting has recently gained plenty of attention. In this paper, we…

Machine Learning · Computer Science 2021-10-27 Jesus Garcia Fernandez , Siamak Mehrkanoon

We present new observations that densely sample the microwave (4-360 GHz) continuum spectra from eight young systems in the Taurus region. Multi-component, empirical model prescriptions were used to disentangle the contributions from their…

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