Results 111 to 120 of about 6,042 (298)

Solar radio emission as a disturbance of aeronautical radionavigation

, 2018
International audienceOn November 4th, 2015 secondary air traffic control radar was strongly disturbed in Sweden and some other European countries. The disturbances occurred when the radar antennas were pointing at the Sun.
Antti Pulkkinen, Krucker, Saem,, Krucker, Säm, Monstein, Christian, Krucker, Saem, Pulkkinen, Antti,, Pulkkinen, Antti, Hermann Opgenoorth, Klein, Karl-Ludwig, Christian Monstein, Peter Thulesen, Thulesen, Peter, Van Hoof, Rudiger,, Buchert, Stephan, van Hoof, Rudiger, Opgenoorth, Hermann J.,, Monstein, Christian Andreas; id_orcid, Marqué, Christophe, Opgenoorth, Hermann, Opgenoorth, Hermann J., Stephan Buchert, Karl-Ludwig Klein, Monstein, Christian,, Buchert, Stephan,, Christophe Marqué, Thulesen, Peter,, Säm Krucker, Klein, Karl-Ludwig,, Rudiger Van Hoof, Marque, Christophe,   +29 more
core   +2 more sources

Magnetic Field Geometry and Anisotropic Scattering Effects on Solar Radio Burst Observations

The Astrophysical Journal
The fine structures of solar radio bursts reveal complex dynamics in the corona, yet the observed characteristics of these subsecond bursts are additionally complicated by radio wave scattering in the turbulent solar corona.
Daniel L. Clarkson, Eduard P. Kontar
doaj   +1 more source

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

Advanced Materials Technologies, EarlyView.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu, Mengyao Xiao, Zhouli Sui, Yinpeng Wang, Daoye Zheng, Yuxin Liu, Luwei Wang, Huajun Liu, Chengkuo Lee   +8 more
wiley   +1 more source

Radio Signature of Higher Atmospheric Meridional Flow and Implications for Magnetic Trees in the Sun

The Astrophysical Journal
The coupling between plasma flows and magnetic fields in the solar atmosphere governs the transport of angular momentum and the redistribution of magnetic flux, yet its manifestation in the magnetically dominated upper chromosphere remains uncertain ...
Srinjana Routh, Anshu Kumari, Rohan Bose, Vaibhav Pant, Divya Paliwal, Dipankar Banerjee, Nat Gopalswamy   +6 more
doaj   +1 more source

Imaging spectroscopy of solar radio burst fine structures

Nature Communications, 2017
Radio observations of the solar atmosphere provide a unique view on the non-thermal processes in the outer atmosphere. Here the authors use LOFAR observations to demonstrate that the observed radio burst characteristics are dominated by propagation ...
E. P. Kontar, S. Yu, A. A. Kuznetsov, A. G. Emslie, B. Alcock, N. L. S. Jeffrey, V. N. Melnik, N. H. Bian, P. Subramanian   +8 more
doaj   +1 more source

Characterization of Droplet Formation in Ultrasonic Spray Coating: Influence of Ink Formulation Using Phase Doppler Anemometry and Machine Learning

Advanced Materials Technologies, EarlyView.
This study explores how machine learning models, trained on small experimental datasets obtained via Phase Doppler Anemometry (PDA), can accurately predict droplet size (D32) in ultrasonic spray coating (USSC). By capturing the influence of ink complexity (solvent, polymer, nanoparticles), power, and flow rate, the model enables precise droplet control
Pieter Verding, Danny E. P. Vanpoucke, Yunus T. Aksoy, Tobias Corthouts, Maria R. Vetrano, Wim Deferme   +5 more
wiley   +1 more source

Radio emission from shock waves and type ii solar outbursts

, 1965
Radio emission from shock waves and type II SOLAR outbursts - solar radiation ...
Tidman, D. A.
core  

Chemically Doped Conductive Polymers for Wearable Health Monitoring

Advanced Materials Technologies, EarlyView.
Among conductive polymers, poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), polyaniline (PANI), and polypyrrole (PPy) are the most studied and applied. Chemical doping significantly boosts intrinsic conductivity and mechanical robustness.
Mengdi Zuo, Jian Song, Hong Hu, Le Zheng, Lei Zhang, Charles H. Lawrie   +5 more
wiley   +1 more source

Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook

Advanced Materials Technologies, EarlyView.
A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi, Sang Won Lee, Mohammad Abrar Uddin, Sina Hassanpoor, Neha Suvindran, Katherine Le, Harun Arkaz, Harishkumar Narayana, Saeid Soltanian, Danial Khorsandi, Negar Hosseinzadeh Kouchehbaghi, Taeil Kim, Yangzhi Zhu   +12 more
wiley   +1 more source

Slowly varying component of solar radio emission in relation to the solar cycle

, 1964
In a previous communication we showed that the so-called slowly varying component (S-component) of solar radio emission, exhibiting the characteristic 27-day variation in the received flux, is limited only within the frequency range 470-29,000 Mc/s and ...
Basu, D., Das Gupta, M. K.
core   +1 more source